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INTRODUCTION: Refractory or unexplained chronic cough (RUCC) is a common clinical problem with no effective diagnostic tools. The Sensations and Triggers Provoking Cough questionnaire (TOPIC) was developed to characterise cough in RUCC versus cough in other conditions. METHODS: Content analysis of participant interviews discussing the sensations and triggers of chronic cough informed TOPIC development. Participants with chronic cough completed the draft-TOPIC (a subset repeating 5-7 days later), St George's Respiratory Questionnaire (SGRQ), Cough Severity Diary (CSD) and Global Rating of Change Scale. The draft-TOPIC item list was reduced in hierarchical and Rasch analysis to refine the questionnaire to the TOPIC. RESULTS: 49 items describing the triggers and sensations of cough were generated from participant interviews (RUCC n=14, chronic obstructive pulmonary disease (COPD) n=11, interstitial lung disease (ILD) n=10, asthma n=11, bronchiectasis n=3, cystic fibrosis n=7). 140 participants (median age 60.0 (19.0-88.0), female 56.4%; RUCC n=39, ILD n=38, asthma n=45, COPD n=6, bronchiectasis n=12) completed draft-TOPIC, where items with poor 'fit' for RUCC were removed to create TOPIC (8 trigger items, 7 sensation items). Median TOPIC score was significantly higher in RUCC (37.0) vs ILD (24.5, p=0.009) and asthma (7.0, p<0.001), but not bronchiectasis (20.0, p=0.318) or COPD (18.5, p=0.238), likely due to small sample sizes. The Rasch model demonstrated excellent fit in RUCC (χ2=22.04, p=0.85; PSI=0.88); as expected. When all participant groups were included, fit was no longer demonstrated (χ2=66.43, p=0.0001, PSI=0.89) due to the increased heterogeneity (CI=0.077). TOPIC correlated positively with SGRQ (r=0.47, p<0.001) and CSD (r=0.63, p<0.001). The test-retest reliability of TOPIC (intraclass correlation coefficient) was excellent (r=0.90, p<0.001). CONCLUSIONS: High TOPIC scores in the RUCC patients suggest their cough is characterised by specific sensations and triggers. Validation of TOPIC in cough clinics may demonstrate value as an aid to identify features of RUCC versus cough in other conditions.
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Tos , Humanos , Tos/etiología , Tos/diagnóstico , Femenino , Masculino , Persona de Mediana Edad , Anciano , Encuestas y Cuestionarios , Enfermedad Crónica , Adulto , Anciano de 80 o más Años , Adulto Joven , Sensación , Enfermedad Pulmonar Obstructiva Crónica/diagnóstico , Enfermedad Pulmonar Obstructiva Crónica/fisiopatología , Enfermedad Pulmonar Obstructiva Crónica/complicaciones , Bronquiectasia/diagnóstico , Bronquiectasia/fisiopatología , Asma/diagnóstico , Asma/complicaciones , Asma/fisiopatología , Índice de Severidad de la Enfermedad , Reproducibilidad de los Resultados , Enfermedades Pulmonares Intersticiales/diagnóstico , Enfermedades Pulmonares Intersticiales/fisiopatología , Enfermedades Pulmonares Intersticiales/complicaciones , Fibrosis Quística/complicaciones , Fibrosis Quística/fisiopatología , Tos CrónicaRESUMEN
Sound serves as a potent medium for emotional well-being, with phenomena like the autonomous sensory meridian response (ASMR) showing a unique capacity for inducing relaxation and alleviating stress. This study aimed to understand how tingling sensations (and, for comparison, pleasant feelings) that such videos induce relate to acoustic features, using a broader range of ASMR videos as stimuli. The sound texture statistics and their timing predictive of tingling and pleasantness were identified through L1-regularized linear regression. Tingling was well-predicted (r = 0.52), predominantly by the envelope of frequencies near 5 kHz in the 1500 to 750 ms period before the response: stronger tingling was associated with a lower amplitude around the 5 kHz frequency range. This finding was further validated using an independent set of ASMR sounds. The prediction of pleasantness was more challenging (r = 0.26), requiring a longer effective time window, threefold that for tingling. These results enhance our understanding of how specific acoustic elements can induce tingling sensations, and how these elements differ from those that induce pleasant feelings. Our findings have potential applications in optimizing ASMR stimuli to improve quality of life and alleviate stress and anxiety, thus expanding the scope of ASMR stimulus production beyond traditional methods. This article is part of the theme issue 'Sensing and feeling: an integrative approach to sensory processing and emotional experience'.
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Emociones , Humanos , Masculino , Emociones/fisiología , Femenino , Adulto , Adulto Joven , Placer/fisiología , Estimulación Acústica , Sonido , Meridianos , Percepción Auditiva , Sensación/fisiologíaRESUMEN
Autonomous sensory meridian response (ASMR) is characterized by a tingling sensation with a feeling of relaxation and a state of flow. We explore the neural underpinnings and comorbidities of ASMR and related phenomena with altered sensory processing. These phenomena include sensory processing sensitivity (SPS), synaesthesia, Alice in Wonderland syndrome and misophonia. The objective of this article is to uncover the shared neural substrates and distinctive features of ASMR and its counterparts. ASMR, SPS and misophonia exhibit common activations in the brain regions associated with social cognition, emotion regulation and empathy. Nevertheless, ASMR responders display reduced connectivity in the salience network (SN), while individuals with SPS exhibit increased connectivity in the SN. Furthermore, ASMR induces relaxation and temporarily reduces symptoms of depression, in contrast to SPS and misophonia, which are linked to depression. These observations lead us to propose that ASMR is a distinct phenomenon owing to its attention dispatch mechanism and its connection with emotion regulation. We suggest that increased activations in the insula, along with reduction in connectivity within the salience and default mode networks in ASMR responders, may account for their experiences of relaxation and flow states. This article is part of the theme issue 'Sensing and feeling: an integrative approach to sensory processing and emotional experience'.
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Encéfalo , Humanos , Encéfalo/fisiología , Red Nerviosa/fisiología , Sensación/fisiología , SinestesiaRESUMEN
Living organisms achieve homeostasis by using distinct mechanisms tailored to their physiological complexity. Unicellular organisms as well as plants, which are devoid of nervous systems, rely on covert sensing/detecting and equally covert responding mechanisms. Organisms with nervous systems rely on overt consciousness which is based on homeostatic feelings and the experiences and consequent subjectivity they generate. This article is part of the theme issue 'Sensing and feeling: an integrative approach to sensory processing and emotional experience'.
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Estado de Conciencia , Emociones , Animales , Humanos , Estado de Conciencia/fisiología , Emociones/fisiología , Homeostasis , Sensación/fisiologíaRESUMEN
Emotional experiences are driven, in part, by the way we process and integrate information from different sensory modalities. Understanding how perceptual and emotional systems interact to give rise to subjective feelings is an important, complex and challenging issue, requiring new approaches and integrative thinking that fuses the fundamentals of low-level sensory perception with higher-level cognitive and affective processes. The Theme Issue 'Sensing and feeling: an integrative approach to sensory processing and emotional experience' showcases fifteen theoretical, empirical, and review articles from experts working at the intersection of perception and emotion, encompassing multiple sensory systems (visual, auditory, tactile and interoceptive), clinical and non-clinical perspectives (e.g. affective disorders and hearing loss), contextual and social perspectives, and complex emotional experiences in special populations. Articles in Part 1 emphasize recent advances across fields in sensory and emotion science and give insights into future directions. Each article in Part 2 provides more detailed and specific methodological approaches or theoretical models, and focuses on basic mechanisms linking sensation to emotional experience. This article is part of the theme issue 'Sensing and feeling: an integrative approach to sensory processing and emotional experience'.
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Emociones , Humanos , Emociones/fisiología , Percepción/fisiología , Sensación/fisiologíaRESUMEN
'Accounting for the sensory abilities of animals is critical in experimental design.' No researcher would disagree with this statement, yet it is often the case that we inadvertently fall for anthropocentric biases and use ourselves as the reference point. This paper discusses the risks of adopting an anthropocentric view when working with non-human animals, and the unintended consequences this has on our experimental designs and results. To this aim, we provide general examples of anthropocentric bias from different fields of animal research, with a particular focus on animal cognition and behaviour, and lay out the potential consequences of adopting a human-based perspective. Knowledge of the sensory abilities, both in terms of similarities to humans and peculiarities of the investigated species, is crucial to ensure solid conclusions. A more careful consideration of the diverse sensory systems of animals would improve many scientific fields and enhance animal welfare in the laboratory.
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Experimentación Animal , Animales , Humanos , Cognición , Sensación , Conducta Animal , Proyectos de Investigación , Bienestar del AnimalRESUMEN
PURPOSE: To evaluate the impact of two different parameters (body position and distension medium) on the rectal sensory test in patients with functional constipation and provide data support for the development of standardized operating procedures in clinical practice. METHODS: Based on a single-center process of the rectal sensory test, 39 patients with functional constipation were recruited for rectal sensory test under different body positions and distension mediums. RESULTS: Among the items of the Constipation Scoring System, the score of frequency of bowel movements showed a negative correlation with the first constant sensation volume (r = -0.323, P = 0.045). Conversely, the score of painful evacuation effort showed a positive correlation with the desire to defecate volume (r = 0.343, P = 0.033). There was a statistically significant difference in the first constant sensation volume (when the distension medium was gas) measured in different body positions (left lateral position, sitting position, squatting position), and the data measured in the squatting position were significantly higher than those in left lateral position (P < 0.05). In terms of research on distension medium, it was found that the first constant sensation volume measured in the squatting position (when the distension medium was water) was significantly lower than that of gas (P < 0.05). CONCLUSION: For patients with functional constipation, there are differences in the results of rectal sensory tests between body positions and distension mediums. When conducting multicenter studies, it is necessary to unify the standard operating procedure (SOP) for operational details to ensure consistency and reliability of the test results.
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Estreñimiento , Posicionamiento del Paciente , Recto , Humanos , Estreñimiento/fisiopatología , Estreñimiento/diagnóstico , Femenino , Recto/fisiopatología , Masculino , Adulto , Persona de Mediana Edad , Posicionamiento del Paciente/métodos , Defecación/fisiología , Sensación/fisiología , Anciano , Adulto JovenRESUMEN
The human hand, with its intricate sensory capabilities, plays a pivotal role in our daily interactions with the world. This remarkable organ possesses a wide range of natural sensors that enrich our experiences, enabling us to perceive touch, position, and temperature. These natural sensors work in concert to provide us with a rich sensory experience, enabling us to distinguish between various textures, gauge the force of our grip, determine the position of our fingers without needing to see them, perceive the temperature of objects we come into contact with or detect if a cloth is wet or dry. This complex sensory system is fundamental to our ability to manipulate objects, explore our surroundings, and interact with the world and people around us. In this article, we summarize the research performed in our laboratories over the years and our findings to restore both touch, position, and temperature modalities. The combination of intraneural stimulation, sensory substitution, and wearable technology opens new possibilities for enhancing sensory feedback in prosthetic hands, promising improved functionality and a closer approximation to natural sensory experiences for individuals with limb differences.
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Miembros Artificiales , Mano , Diseño de Prótesis , Humanos , Mano/fisiología , Tacto/fisiología , Retroalimentación Sensorial/fisiología , Sensación/fisiología , Dispositivos Electrónicos VestiblesRESUMEN
PURPOSE: Previous studies have suggested that inspirations during speech pauses are influenced by the length of adjacent utterances, owing to respiratory motor planning and physiological recovery processes. The goal of this study was to examine how attention to respiratory sensations may influence these processes in aging speakers with dyspnea, by measuring the effect of sensory monitoring on the relationship between utterance length and the occurrence of inspirations, as well as on functional voice and respiratory measures. METHOD: Seventeen adults aged 50 years and older with complaints of voicing-related dyspnea completed a repeated-measures protocol consisting of a 2-week baseline phase and a 4-week sensory monitoring phase. Audiovisual recordings of semistructured speech and self-report questionnaires were collected at study onset, after the baseline phase, and after the sensory monitoring phase. Repeated-measures logistic regressions were conducted to examine changes in the relationship between utterance length and the occurrence of inspirations in adjacent pauses, and repeated-measures analyses of variance were used to investigate any changes in functional voice and respiratory measures. RESULTS: Planning and recovery processes appeared to remain constant across the baseline phase. From postbaseline to postsensory monitoring timepoints, a strengthening of the relationship between the presence of an inspiration during a speech pause and the length of the subsequent-but not preceding-utterance was noted. Significant improvements were noted in voice-related handicap from study onset to postsensory monitoring, but no changes were reported in respiratory comfort during speech. CONCLUSIONS: Results suggest that respiratory planning processes, that is, the ability to plan breath intakes based on the length of upcoming utterances, may be modifiable behaviorally through targeted sensory monitoring. Further studies are warranted to validate the proposed role of respiratory sensation awareness in achieving skilled temporal coordination between voicing and breathing.
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Envejecimiento , Disnea , Habla , Humanos , Disnea/fisiopatología , Femenino , Anciano , Masculino , Persona de Mediana Edad , Habla/fisiología , Envejecimiento/fisiología , Respiración , Inhalación/fisiología , Anciano de 80 o más Años , Medición de la Producción del Habla/métodos , Sensación/fisiologíaRESUMEN
Recent advances in cell and biofabrication technologies have contributed to the development of complex human organs. In particular, several skin substitutes are being generated using tissue engineering and regenerative medicine (TERM) technologies. However, recent studies mainly focus on the restoration of the dermis and epidermis layers rather than the regeneration of a fully functional innervated skin organ. Innervation is a critical step in functional tissue repair which has been overlooked in the current TERM studies. In the current study, we highlight the importance of sensation in the skin as the largest sensory organ in the human body. In large non-healing skin wounds, the skin sensation is severely diminished or completely lost and ultimately lead to chronic pain and wound healing process interruption. Current therapeutics for restoring skin sensation after trauma are limited. Recent regenerative medicine-based studies could successfully induce neural networks in skin substitutes, but the effectiveness of these technologies in enhancing sensory capability needs further investigation.
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Piel Artificial , Ingeniería de Tejidos , Humanos , Piel , Animales , Cicatrización de Heridas/efectos de los fármacos , Sensación , Medicina Regenerativa/métodosRESUMEN
As propagandas de bebidas alcóolicas, além de serem mais frequentes do que outras mercadorias, também apresentam conteúdo que pode ter papel facilitador no uso dessa substância psicoativa, visto que, na maior parte delas, trazem ideias e sensações de prazer. Por isso, esta pesquisa consistiu na identificação e análise qualitativa de propagandas de cerveja que tiveram alguma denúncia feita ao ou pelo Conselho Nacional de Autorregulamentação Publicitária (Conar), nos últimos cinco anos (2015 a 2020), a partir do levantamento dessas denúncias no site do Conar e, posteriormente, foi realizada análise dos motivos condizentes com o código. Como resultado, constatou-se uma progressão nos alinhamentos entre as denúncias e as decisões, sendo encontrada maior dificuldade no alinhamento da infração em relação ao conteúdo das peças publici-tárias do que em questões técnicas.
Advertisements for alcoholic beverages, in addition to being more frequent than other goods, also present content that can play a role in facilitating the use of this psychoactive substance, since, in most of them, they bring ideas and sensations of pleasure. Therefore, this research consisted of the identification and qualitative analysis of beer advertisements that had any complaints made to or by the National Advertising Self-Regulation Council (Conar), in the last five years (2015 to 2020), based on the survey of these complaints on the website of Conar and, subsequently, an analysis of the reasons consistent with the code was carried out. As a result, there was a progression in the alignments between complaints and decisions, with greater difficulty being found in aligning the infraction in relation to the content of the advertising pieces than in technical issues.
Los anuncios de bebidas alcohólicas, además de ser más frecuentes que los de otros productos, también presentan contenidos que pueden desempeñar un papel a la hora de facilitar el consumo de esta sustan-cia psicoactiva, ya que, en la mayoría de ellos, aportan ideas y sensaciones de placer. Por lo tanto, esta investigación consistió en la identificación y análisis cualitativo de los anuncios de cerveza que tuvieron alguna denuncia realizada ante o por el Consejo Nacional de Autorregulación Publicitaria (Conar), en los últimos cinco años (2015 a 2020), a partir de la encuesta a estos. denuncias en el sitio web del Conar y, posteriormente, se realizó un análisis de los motivos compatibles con el código. Como resultado, hubo una progresión en los alineamientos entre denuncias y decisiones, encontrándose mayor dificultad en alinear la infracción con el contenido de las piezas publicitarias que en cuestiones técnicas.
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Psicotrópicos , Sensación , Consumo de Bebidas Alcohólicas , Comportamiento del Consumidor , Características Culturales , Mercadotecnía , Control de la Publicidad de Productos , Red Social , Consumo de Alcohol en MenoresRESUMEN
Introduction: Nerve injury is a serious complication of percutaneous endoscopic transforaminal lumbar discectomy due to nerve root contact. The maximum tolerable concentration (MTC) of ropivacaine concentration for epidural anaesthesia, is defined as the concentration that minimises pain while preserving the sensation of the nerve roots. This distinct advantage allows the patient to provide feedback to the surgeon when the nerve roots are contacted. Methods: We used a biased-coin design to determine the MTC, which was estimated by the 10% effective concentration (EC10), ie, the concentration at which 10% of patients lost sensation in the nerve roots. The determinant for positive response was lack of sensory feedback upon contact with the nerve root, and the feedback from occurrence of sensations in the innervation area upon contact with the nerve root was defined as a negative response. Primary outcome was the response from contact nerve root. Secondary outcomes were the type and number of statements of negative response and each patient's pain score during surgery. Results: Fifty-four patients were included in this study. The EC10 was 0.434% (95% CI: 0.410%, 0.440%) using isotonic regression in comparison with 0.431% (95% CI: 0.399%, 0.444%) using probit regression. Three type statements of negative response were reported including "tactile sensation", radiculalgia, and numbness. Conclusion: The MTC of ropivacaine used for epidural anaesthesia was 0.434% to avoid nerve injury in percutaneous endoscopic transforaminal lumbar discectomy.
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Anestesia Epidural , Anestésicos Locales , Vértebras Lumbares , Ropivacaína , Ropivacaína/administración & dosificación , Humanos , Masculino , Persona de Mediana Edad , Femenino , Vértebras Lumbares/cirugía , Adulto , Anestésicos Locales/administración & dosificación , Anestesia Epidural/métodos , Anestesia Epidural/efectos adversos , Discectomía Percutánea/métodos , Endoscopía , Raíces Nerviosas Espinales/cirugía , Relación Dosis-Respuesta a Droga , Sensación/efectos de los fármacos , AncianoRESUMEN
In rodents and primates, interval estimation has been associated with a complex network of cortical and subcortical structures where the dorsal striatum plays a paramount role. Diverse evidence ranging from individual neurons to population activity has demonstrated that this area hosts temporal-related neural representations that may be instrumental for the perception and production of time intervals. However, little is known about how temporal representations interact with other well-known striatal representations, such as kinematic parameters of movements or somatosensory representations. An attractive hypothesis suggests that somatosensory representations may serve as the scaffold for complex representations such as elapsed time. Alternatively, these representations may coexist as independent streams of information that could be integrated into downstream nuclei, such as the substantia nigra or the globus pallidus. In this review, we will revise the available information suggesting an instrumental role of sensory representations in the construction of temporal representations at population and single-neuron levels throughout the basal ganglia.
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Ganglios Basales , Percepción del Tiempo , Ganglios Basales/fisiología , Animales , Humanos , Percepción del Tiempo/fisiología , Neuronas/fisiología , Sensación/fisiologíaRESUMEN
The perception of sensory attributes is often quantified through measurements of sensitivity (the ability to detect small stimulus changes), as well as through direct judgments of appearance or intensity. Despite their ubiquity, the relationship between these two measurements remains controversial and unresolved. Here, we propose a framework in which they arise from different aspects of a common representation. Specifically, we assume that judgments of stimulus intensity (e.g., as measured through rating scales) reflect the mean value of an internal representation, and sensitivity reflects a combination of mean value and noise properties, as quantified by the statistical measure of Fisher information. Unique identification of these internal representation properties can be achieved by combining measurements of sensitivity and judgments of intensity. As a central example, we show that Weber's law of perceptual sensitivity can coexist with Stevens' power-law scaling of intensity ratings (for all exponents), when the noise amplitude increases in proportion to the representational mean. We then extend this result beyond the Weber's law range by incorporating a more general and physiology-inspired form of noise and show that the combination of noise properties and sensitivity measurements accurately predicts intensity ratings across a variety of sensory modalities and attributes. Our framework unifies two primary perceptual measurements-thresholds for sensitivity and rating scales for intensity-and provides a neural interpretation for the underlying representation.
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Percepción , Humanos , Percepción/fisiología , Umbral Sensorial/fisiología , Sensación/fisiología , Juicio/fisiologíaRESUMEN
In the ongoing quest to formulate sensory-rich, low-fat products that maintain structural integrity, this work investigated the potential of bigels, especially those created using innovative Pickering techniques. By harnessing the unique properties of whey protein isolate (WPI) and whey protein microgel (WPM) as interfacial stabilizers, WPM-based Pickering bigels exhibited a remarkable particle localization at the interface due to specific intermolecular interactions. The rise in protein concentration not only intensified particle coverage and interface stabilization but also amplified attributes like storage modulus, yield stress, and adhesiveness, owing to enhanced intermolecular forces and a compact gel matrix. Impressively, WPM-based Pickering bigels outshone in practical applications, showcasing exceptional oil retention during freeze-thaw cycles and extended flavor release-a promising indication for frozen food product applications. Furthermore, these bigels underwent a sensory evolution from a lubricious texture at lower concentrations to a stable plateau at higher ones, offering an enriched consumer experience. In a comparative digestibility assessment, WPM-based Pickering bigels demonstrated superior prowess in decelerating the release of free fatty acids, indicating slowed lipid digestion. This study demonstrates the potential to fine-tune oral sensations and digestive profiles in bigels by modulating Pickering particle concentrations.
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Digestión , Microgeles , Gusto , Proteína de Suero de Leche , Proteína de Suero de Leche/química , Humanos , Microgeles/química , Manipulación de Alimentos/métodos , Tracto Gastrointestinal/metabolismo , SensaciónRESUMEN
PURPOSE OF REVIEW: To review findings related to phantom genital sensation, emphasizing phantom sensation in the transgender and gender diverse (TGD) population. We discuss prevalence, presentation and potential implications for sensory outcomes in genital gender-affirming surgery. RECENT FINDINGS: There is a high prevalence of phantom genital sensations in the TGD population. The prevalence varies by body part, approaching 50% in the most frequently reported transgender phantom - the phantom penis. Unlike genital phantoms that occur after trauma or surgery which are often painful, transgender phantoms are typically neutral and often erogenous in experience. Phantom sensation in the TGD population can be an affirming experience and important part of sexual well being and embodiment. SUMMARY: Recent studies have begun to characterize the prevalence and presentations of phantom genital sensations in TGD people, informing our evolving understanding of the sensory experiences of the transgender and gender diverse population. Targeting integration of these centrally-mediated phantom genital sensations with the peripherally generated sensation from genital stimulation may represent one potential avenue to improve sensation and embodiment following genital gender-affirming surgical procedures. Additionally, emerging techniques in modern peripheral nerve surgery targeting phantom pain may offer potential treatment options for painful phantom sensation seen after cases of genital surgery or trauma.
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Cirugía de Reasignación de Sexo , Humanos , Masculino , Femenino , Cirugía de Reasignación de Sexo/métodos , Cirugía de Reasignación de Sexo/efectos adversos , Personas Transgénero/psicología , Prevalencia , Transexualidad/cirugía , Transexualidad/psicología , Transexualidad/fisiopatología , Miembro Fantasma/epidemiología , Miembro Fantasma/etiología , Miembro Fantasma/fisiopatología , SensaciónRESUMEN
BACKGROUND: Chest pain in adolescents represents a considerable burden for health services and is rarely associated with cardiac disease. Since chest pain could be related to psychosocial factors there is a need for exploring the relationships among stressful situations, drug consumption, suicidal behaviors, accompanying bodily symptoms and health-related quality of life in adolescents with non-cardiac chest pain. METHODS: In this study, we assessed these determinants in 108 adolescents with non-cardiac chest pain (NCCP) and a control group of 77 patients using a structured interview applied to the patients presented to the cardiology outpatient clinics of Tepecik Training and Research Hospital, Izmir, Türkiye, between 30 October 2018 and 30 June 2019. After the interview, the adolescents were given a self-administered pediatric quality of life inventory and the body sensations questionnaire for assessing aspects of fear. RESULTS: Adolescents with NCCP expressed more panic associated bodily symptoms and reported worse subjective physical, academic, and emotional functioning in addition to more suicidal ideation. CONCLUSIONS: NCCP could be accepted as a warning sign of an underlying psychosocial problem and requires a more interdisciplinary collaborative care by pediatricians, psychologists, and psychiatrists.
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Dolor en el Pecho , Calidad de Vida , Ideación Suicida , Humanos , Adolescente , Masculino , Femenino , Dolor en el Pecho/psicología , Dolor en el Pecho/etiología , Encuestas y Cuestionarios , Sensación , Estudios de Casos y Controles , Miedo , Trastornos Relacionados con Sustancias/psicologíaRESUMEN
During behavior, the motor cortex sends copies of motor-related signals to sensory cortices. Here, we combine closed-loop behavior with large-scale physiology, projection-pattern-specific recordings, and circuit perturbations to show that neurons in mouse secondary motor cortex (M2) encode sensation and are influenced by expectation. When a movement unexpectedly produces a sound, M2 becomes dominated by sound-evoked activity. Sound responses in M2 are inherited partially from the auditory cortex and are routed back to the auditory cortex, providing a path for the reciprocal exchange of sensory-motor information during behavior. When the acoustic consequences of a movement become predictable, M2 responses to self-generated sounds are selectively gated off. These changes in single-cell responses are reflected in population dynamics, which are influenced by both sensation and expectation. Together, these findings reveal the embedding of sensory and expectation signals in motor cortical activity.
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Corteza Motora , Animales , Corteza Motora/fisiología , Ratones , Corteza Auditiva/fisiología , Estimulación Acústica , Sensación/fisiología , Masculino , Ratones Endogámicos C57BL , Neuronas/fisiología , FemeninoRESUMEN
BACKGROUND: In the existing literature, assessing transgender patients' quality of life after surgery, especially using standardized surveys, is rare. The nipple sensation regarding the operating technique has neither been studied in a prospective nor standardized way. METHODS: For one year, we prospectively assessed transgender patients operated on for a gender-affirming chest surgery in our unit. Each patient answered the BREAST-Q© survey and the BODY-Q© chest module survey before and six months after the surgery. In addition, a measure of nipple sensation was performed using Semmes-Weinstein monofilaments pre-and post-operatively to compare surgical techniques. RESULTS: Fifty-one patients (102 breasts) were included in our study. The average age was 23.1 years and the average BMI was 24.8 kg/m2. Twenty-one patients (45%) had double incision and free nipple graft mastectomy, 14 (27%) patients had double incision and inferior pedicle mastectomy, while the 14 (27%) other patients had a semi-circular technique. Our study shows an improvement in all the scores of the surveys after surgery (p < 0.0001). Patients with double incision and inferior pedicle mastectomies rated a significantly higher satisfaction with nipples (p = 0.013) and significantly better sexual well-being (p = 0.007) than other techniques. In addition, preservation of nipple sensation was shown in patients operated by semi-circular technique (p < 0.001) and inferior pedicle technique (p < 0.0001). CONCLUSIONS: Our prospective study confirms the significant improvement in the quality of life of transgender patients after chest gender-affirming surgery. Double incision with inferior pedicle seems to provide better satisfaction with nipples, higher sexual well-being, and preservation of nipple sensation.