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1.
J Occup Health Psychol ; 24(5): 572-589, 2019 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-30556710

RESUMEN

Although previous research has established that employee silence can weaken organizational performance and development, less is known about potential detrimental effects of silence on individual employees, who may believe that they have plausible reasons for remaining silent. We propose negative effects of silence on employee well-being, focusing on relationships of four differentially motivated forms of silence (i.e., acquiescent, quiescent, prosocial, and opportunistic) with three components of employee burnout (depersonalization, emotional exhaustion, and perceptions of reduced personal accomplishment). In addition, we present arguments for reciprocal effects of burnout on silence. Using data collected from more than 600 working adults in a four-wave longitudinal study, we examine both (a) the effects of silence on burnout and (b) the effects of burnout on silence using an auto-regressive cross-lagged panel design in a structural equation modeling context. This design controls for effects of prior measurement periods, includes reverse causal relationships, and provides an assessment of stability/change over time. Prior levels of the two imposed forms of silence (i.e., acquiescent and quiescent) had significant effects on the later values of depersonalization and emotional exhaustion, but not on reduced personal accomplishment. In contrast, the more voluntary forms of silence (i.e., prosocial and opportunistic) did not show any significant effects on burnout. We also found consistent evidence that levels of the three burnout dimensions at a prior time related to all four silence types at the subsequent time, with the exception of nonsignificant emotional exhaustion effects on opportunistic silence. (PsycINFO Database Record (c) 2019 APA, all rights reserved).


Asunto(s)
Agotamiento Profesional/psicología , Relaciones Interpersonales , Motivación , Adolescente , Adulto , Despersonalización/psicología , Emociones , Fatiga/psicología , Femenino , Alemania , Humanos , Satisfacción en el Trabajo , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Encuestas y Cuestionarios , Adulto Joven
2.
J Couns Psychol ; 64(6): 724-738, 2017 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-28541058

RESUMEN

Using multigroup structural equation modeling in a large sample of online-survey respondents (N = 6,744), the present study examined the reliability and dimensionality of the Male Role Norms Inventory-Short Form (MRNI-SF), a popular measurement of traditional masculinity ideology (TMI), and also tested measurement invariance between individuals that do and do not fit the White heterosexual male TMI reference group. Results indicated that (a) it is appropriate to model the MRNI-SF using either a bifactor or unidimensional model but not a second-order model, (b) the raw MRNI-SF total score is a suitable measure of the general TMI construct, (c) the raw self-reliance through mechanical skills and negativity toward sexual minorities subscale scores may be appropriate measures of their respective specific factors (akin to subscale factors), and (d) SEM or ipsatizing procedures should be used to model the 5 other specific factors, given the insufficient model-based reliability of their raw subscale scores. When comparing men to women, White men to Black and Asian men, and gay men to heterosexual men, the MRNI-SF demonstrated configural invariance and at least partial metric invariance (i.e., measured similar constructs). However, scalar and residuals invariance were only supported for Asian men compared to White men. Taken together, these findings suggest that a general TMI factor of the MRNI-SF is best represented by a bifactor model, even in individuals that do not fit the White heterosexual male TMI reference group, but the instrument may be tapping somewhat different constructs in women, Black men, and gay men. (PsycINFO Database Record


Asunto(s)
Negro o Afroamericano/psicología , Masculinidad , Minorías Sexuales y de Género/psicología , Encuestas y Cuestionarios/normas , Adulto , Femenino , Identidad de Género , Heterosexualidad/psicología , Humanos , Masculino , Reproducibilidad de los Resultados , Población Blanca/psicología
3.
J Couns Psychol ; 63(5): 534-542, 2016 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-27598043

RESUMEN

The construct validity of the Male Role Norms Inventory-Short Form (MRNI-SF) was assessed using a latent variable approach implemented with structural equation modeling (SEM). The MRNI-SF was specified as having a bifactor structure, and validation scales were also specified as latent variables. The latent variable approach had the advantages of separating effects of general and specific factors and controlling for some sources of measurement error. Data (N = 484) were from a diverse sample (38.8% men of color, 22.3% men of diverse sexualities) of community-dwelling and college men who responded to an online survey. The construct validity of the MRNI-SF General Traditional Masculinity Ideology factor was supported for all 4 of the proposed latent correlations with: (a) Male Role Attitudes Scale; (b) general factor of Conformity to Masculine Norms Inventory-46; (c) higher-order factor of Gender Role Conflict Scale; and (d) Personal Attributes Questionnaire-Masculinity Scale. Significant correlations with relevant other latent factors provided concurrent validity evidence for the MRNI-SF specific factors of Negativity toward Sexual Minorities, Importance of Sex, Restrictive Emotionality, and Toughness, with all 8 of the hypothesized relationships supported. However, 3 relationships concerning Dominance were not supported. (The construct validity of the remaining 2 MRNI-SF specific factors-Avoidance of Femininity and Self-Reliance through Mechanical Skills was not assessed.) Comparisons were made, and meaningful differences noted, between the latent correlations emphasized in this study and their raw variable counterparts. Results are discussed in terms of the advantages of an SEM approach and the unique characteristics of the bifactor model. (PsycINFO Database Record


Asunto(s)
Identidad de Género , Masculinidad , Psicometría/estadística & datos numéricos , Valores Sociales , Encuestas y Cuestionarios , Adolescente , Adulto , Anciano , Cultura , Humanos , Masculino , Persona de Mediana Edad , Reproducibilidad de los Resultados , Conformidad Social , Adulto Joven
4.
J Couns Psychol ; 62(3): 488-502, 2015 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-26167651

RESUMEN

Focusing on a set of 3 multidimensional measures of conceptually related but different aspects of masculinity, we use factor analytic techniques to address 2 issues: (a) whether psychological constructs that are theoretically distinct but require fairly subtle discriminations by survey respondents can be accurately captured by self-report measures, and (b) how to better understand sources of variance in subscale and total scores developed from such measures. The specific measures investigated were the: (a) Male Role Norms Inventory-Short Form (MRNI-SF); (b) Conformity to Masculine Norms Inventory-46 (CMNI-46); and (c) Gender Role Conflict Scale-Short Form (GRCS-SF). Data (N = 444) were from community-dwelling and college men who responded to an online survey. EFA results demonstrated the discriminant validity of the 20 subscales comprising the 3 instruments, thus indicating that relatively subtle distinctions between norms, conformity, and conflict can be captured with self-report measures. CFA was used to compare 2 different methods of modeling a broad/general factor for each of the 3 instruments. For the CMNI-46 and MRNI-SF, a bifactor model fit the data significantly better than did a hierarchical factor model. In contrast, the hierarchical model fit better for the GRCS-SF. The discussion addresses implications of these specific findings for use of the measures in research studies, as well as broader implications for measurement development and assessment in other research domains of counseling psychology which also rely on multidimensional self-report instruments.


Asunto(s)
Masculinidad , Inventario de Personalidad/normas , Autoinforme/normas , Encuestas y Cuestionarios/normas , Adolescente , Adulto , Anciano , Humanos , Masculino , Persona de Mediana Edad , Caracteres Sexuales , Conducta Social , Universidades/normas , Adulto Joven
5.
J Couns Psychol ; 60(2): 228-238, 2013 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-23421776

RESUMEN

The current study reports the development from the Male Role Norms Inventory-Revised (MRNI-R; Levant, Rankin, Williams, Hasan, & Smalley, 2010) of the 21-item MRNI-Short Form (MRNI-SF). Confirmatory factor analysis of MRNI-SF responses from a sample of 1,017 undergraduate participants (549 men, 468 women) indicated that the best fitting "bifactor" model incorporated the hypothesized 7-factor structure while explicitly modeling an additional, general traditional masculinity ideology factor. Specifically, each item-level indicator loaded on 2 factors: a general traditional masculinity ideology factor and a specific factor corresponding to 1 of the 7 hypothesized traditional masculinity ideology norms. The bifactor model was assessed for measurement invariance across gender groups, with findings of full configural invariance and partial metric invariance, such that factor loadings were equivalent across the gender groups for the 7 specific factors but not for the general traditional masculinity ideology factor. Theoretical explanations for this latter result include the potential that men's sense of self or identity may be engaged when responding to questions asking to what extent they agree or disagree with normative statements about their behavior, a possibility that could be investigated in future research by examining the associations of the general and specific factors with measures of masculine identity. Additional exploratory invariance analyses demonstrated latent mean differences between men and women on 4 of the 8 factors, and equivocal results for invariance of item intercepts, item uniquenesses, and factor variances-covariances.


Asunto(s)
Identidad de Género , Inventario de Personalidad/estadística & datos numéricos , Adolescente , Femenino , Humanos , Masculino , Medio Oeste de Estados Unidos , Psicometría/estadística & datos numéricos , Reproducibilidad de los Resultados , Identificación Social , Valores Sociales , Estudiantes/psicología , Adulto Joven
6.
Brain Behav Immun ; 26(4): 543-51, 2012 May.
Artículo en Inglés | MEDLINE | ID: mdl-22326517

RESUMEN

This study evaluated individual differences in levels of C-reactive protein (CRP) measured in saliva, cross-sectionally and prospectively, in relation to systemic inflammation and risk for cardiovascular disease (CVD). Plasma and saliva samples, later assayed for CRP, were collected multiple times from an ethnically diverse group of women seeking help from domestic violence crisis shelters-agencies (N=107; mean age at study start=34 years). Plasma and saliva CRP levels were moderately associated cross-sectionally and across two years. There were indications that saliva CRP levels were, on average, higher in the morning than evening. Higher levels of saliva and plasma CRP were associated with a higher body mass index, but did not differ between women who did and did not smoke. Salivary CRP reliably discriminated between high and low levels of plasma CRP, using a clinically relevant cutoff point of 3mg/L, recommended by the American Heart Association. Results build upon an emerging literature suggesting that under specific conditions levels of CRP in saliva may reflect low-grade inflammation and have the potential to serve as a screen for CVD risk status.


Asunto(s)
Biomarcadores/metabolismo , Proteína C-Reactiva/metabolismo , Enfermedades Cardiovasculares/metabolismo , Inflamación/metabolismo , Maltrato Conyugal , Adulto , Biomarcadores/análisis , Índice de Masa Corporal , Proteína C-Reactiva/análisis , Enfermedades Cardiovasculares/diagnóstico , Estudios Transversales , Femenino , Humanos , Estudios Longitudinales , Estudios Prospectivos , Factores de Riesgo , Saliva/química
7.
Arch Sex Behav ; 41(1): 283-95, 2012 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-21792690

RESUMEN

The Women's Nontraditional Sexuality Questionnaire (WNSQ) was developed, and its factor structure, reliability, and convergent and concurrent validity assessed, in two samples of midwestern U.S. college women. Study 1 (N=243) used exploratory factor analysis to assess the instrument dimensionality. In Study 2 (N=627), the fit of the four-factor solution derived from Study 1 was assessed using confirmatory factor analysis. Results supported a four-factor solution comprising: Involvement in Casual Sex, Self-Pleasuring, Degree of Sexual Interest, and Using Sex as a Means to an End. WNSQ total score and subscales had acceptable internal consistency reliability. Convergent validity was supported by significant correlations of the WNSQ and its subscales with a measure of casual sex (the Sociosexual Orientation Index), and with a measure of adherence to traditional feminine sexual norms (the Purity subscale of the Femininity Ideology Scale). The WNSQ showed weak relationships with a measure of risky sexual health communication practices (Health Protective Sexual Communication Scale). The WNSQ offers promise for study of women's sexual attitudes and behaviors.


Asunto(s)
Feminidad , Conducta Sexual/estadística & datos numéricos , Mujeres/psicología , Adulto , Femenino , Humanos , Psicometría , Reproducibilidad de los Resultados , Conducta Sexual/psicología , Encuestas y Cuestionarios
8.
Am J Mens Health ; 4(4): 334-43, 2010 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-20413383

RESUMEN

This longitudinal study evaluates the effect of bone mineral density screening on calcium intake and daily exercise of 196 healthy men older than 50 years over a period of 1 year. In this randomized clinical trial, the experimental group received personal bone density information via dual-energy X-ray absorptiometry (DXA). The men completed measures addressing knowledge, health beliefs, calcium intake, and exercise behaviors. Outcome measures were collected by a questionnaire at three time points: initial (Time 1 [T1]; pre-DXA), 6 months (Time 2 [T2]), and 12 months (Time 3 [T3]). Using structural equation modeling for data analysis, results indicated that men in the experimental group had a significantly higher T2 calcium intake than the control group, with no additional direct effect at T3. T1 daily calcium intake was significantly predicted by T1 health beliefs. Men with higher levels of health motivation tended to have higher initial levels of daily calcium intake. Personal knowledge of DXA results relate significantly to increased calcium intake.


Asunto(s)
Actitud Frente a la Salud , Calcio de la Dieta/administración & dosificación , Conductas Relacionadas con la Salud , Salud del Hombre , Osteoporosis/prevención & control , Educación del Paciente como Asunto/organización & administración , Absorciometría de Fotón , Ejercicio Físico/psicología , Estudios de Seguimiento , Humanos , Estilo de Vida , Masculino , Persona de Mediana Edad , Osteoporosis/diagnóstico por imagen , Cintigrafía , Autocuidado/métodos , Autoeficacia
9.
J Trauma Stress ; 23(1): 141-50, 2010 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-20143342

RESUMEN

This study, guided by an adaptation of the theory of unpleasant symptoms, examined the complex relationships of childhood maltreatment, intimate partner violence (IPV), posttraumatic stress disorder (PTSD), depression, and physical health symptoms with global sleep quality and disruptive nighttime behaviors. Data were analyzed using covariance structure analysis. A convenience sample of 157 women currently experiencing IPV was recruited from crisis shelters and community agencies. Findings provide empirical support that women concurrently experiencing PTSD, depression, and stress-related physical health symptoms demonstrated poor global sleep quality and frequent disruptive nighttime behaviors. Posttraumatic stress disorder and stress health symptoms functioned as mediators of childhood maltreatment and IPV effects on both global sleep quality and disruptive nighttime behaviors, but depression did not.


Asunto(s)
Parejas Sexuales , Trastornos del Sueño-Vigilia/fisiopatología , Violencia/psicología , Adolescente , Adulto , Femenino , Humanos , Persona de Mediana Edad , Trastornos del Sueño-Vigilia/etiología , Trastornos por Estrés Postraumático/complicaciones , Trastornos por Estrés Postraumático/psicología , Encuestas y Cuestionarios , Adulto Joven
10.
Annu Rev Psychol ; 61: 543-68, 2010.
Artículo en Inglés | MEDLINE | ID: mdl-19534590

RESUMEN

Self-regulation at work is conceived in terms of within-person processes that occur over time. These processes are proposed to occur within a hierarchical framework of negative feedback systems that operate at different levels of abstraction and with different time cycles. Negative feedback systems respond to discrepancies in a manner that reduces deviations from standards (i.e., goals). This is in contrast to positive feedback systems in which discrepancies are created, which can lead to instability. We organize our discussion around four hierarchical levels-self, achievement task, lower-level task action, and knowledge/working memory. We theorize that these levels are loosely connected by multiple constraints and that both automatic and more conscious processes are essential to self-regulation. Within- and cross-level affective and cognitive processes interact within this system to motivate goal-related behaviors while also accessing needed knowledge and protecting current intentions from interference. Complications common in the work setting (as well as other complex, real-life settings) such as the simultaneous pursuit of multiple goals, the importance of knowledge access and expertise, and team and multiperson processes are also discussed. Finally, we highlight the usefulness of newer research methodologies and data-analytic techniques for examining such hierarchical, dynamic, within-person processes.


Asunto(s)
Retroalimentación , Motivación , Controles Informales de la Sociedad , Lugar de Trabajo/psicología , Humanos , Relaciones Interpersonales
11.
Neuropsychologia ; 48(1): 319-33, 2010 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-19786039

RESUMEN

Evidence of prefrontal cortex decline among healthy older adults has been widely reported, although many questions remain regarding the functional heterogeneity of the prefrontal lobes and the uniformity (or lack thereof) with which discrete regions decline with age. MacPherson, Phillips, and Della Sala (2002) previously reported age differences in tasks associated with dorsolateral prefrontal cortex (DLPFC) function (executive control), but not for tasks associated with ventromedial prefrontal cortex (VMPFC) function (emotional/cognitive integration). The present study, conducted using 39 younger adults and 39 older adults, replicates the MacPherson et al. findings regarding DLPFC functioning. However, and perhaps due to the use of more sensitive tasks, we also find age differences in tasks associated with VMPFC function. Specifically, both univariate and multivariate analyses indicated older adults showed deficits across the DLPFC and VMPFC tasks. Exploratory factor analysis of the task performance scores indicated four underlying dimensions, two related to DLPFC functioning and two related to VMPFC functioning. A set of structural equation models specifying age effects on the four task performance factors was tested, in order to contrast models of process-specific vs. common age effects. Our results suggest that older adults show deficits in emotional/cognitive integration as well as in executive function, and that those effects do include process-specific age deficits.


Asunto(s)
Envejecimiento , Cognición/fisiología , Emociones/fisiología , Corteza Prefrontal/fisiología , Adolescente , Adulto , Factores de Edad , Anciano , Anciano de 80 o más Años , Análisis de Varianza , Femenino , Juegos Experimentales , Humanos , Masculino , Persona de Mediana Edad , Modelos Psicológicos , Pruebas Neuropsicológicas , Tiempo de Reacción/fisiología , Adulto Joven
12.
J Midwifery Womens Health ; 53(6): 538-46, 2008.
Artículo en Inglés | MEDLINE | ID: mdl-18984510

RESUMEN

This correlational-predictive study addresses the associations between intimate partner violence (IPV) and physical health and posttraumatic stress disorder (PTSD) symptoms, including: 1) detailed physical health symptoms reported and health care sought by women in intimate abusive relationships, 2) relationships between physical health symptoms, IPV, and PTSD, and 3) unique predictors of physical health symptoms. An ethnically diverse sample of 157 abused women was recruited from crisis shelters and the community. The women averaged almost 34 years of age and had been in the abusive relationship for slightly more than 5 years. The women experienced physical health symptoms falling into 4 groups: neuromuscular, stress, sleep, and gynecologic symptoms. Women experiencing more severe IPV reported more physical health and PTSD symptomatology. PTSD avoidance and threats of violence or risk of homicide uniquely predicted physical health. More than 75% of the women had sought treatment from a health care professional in the previous 9 months. Implications for practice are discussed.


Asunto(s)
Mujeres Maltratadas , Enfermedad/etiología , Maltrato Conyugal , Trastornos por Estrés Postraumático/etiología , Adolescente , Adulto , Mujeres Maltratadas/psicología , Niño , Análisis por Conglomerados , Femenino , Enfermedades de los Genitales Femeninos/etiología , Estado de Salud , Humanos , Persona de Mediana Edad , Enfermedades Neuromusculares/etiología , Factores de Riesgo , Trastornos del Sueño-Vigilia/etiología , Maltrato Conyugal/psicología , Estadística como Asunto , Estrés Psicológico/etiología , Encuestas y Cuestionarios , Adulto Joven
13.
Nurs Res ; 56(3): 148-58, 2007.
Artículo en Inglés | MEDLINE | ID: mdl-17495570

RESUMEN

BACKGROUND: Osteoporosis prevention behaviors (OPBs) can prevent and delay bone deterioration; dual-energy X-ray absorptiometry (DXA) scan can identify osteoporosis and provide personal osteoporosis risk information that may promote prevention behaviors. OBJECTIVES: This study was designed to estimate relationships between receiving personal knowledge of bone mineral density (gained through DXA scan), general knowledge of osteoporosis, health beliefs, and the two OPBs of calcium intake and weight-bearing exercise in healthy postmenopausal women 50 to 65 years. METHODS: In this longitudinal, randomized clinical trial (including covariates), receipt of personal DXA information was manipulated by random assignment to the experimental or control group. The remaining antecedent and outcome variable measures were collected by questionnaire at three time points (initial [T1; pre-DXA], 6 months [T2], 12 months [T3]) and by bone density assessment from 203 women over an 18-month period in 2001-2003. RESULTS: The experimental manipulation (DXA results) had a direct positive effect (beta = .23, p < .05) on calcium intake at T2, and indirectly at T3 through T2. Women in the experimental group who were informed they had osteopenia or osteoporosis had a greater T1-T2 change in daily calcium intake than those with normal bone density (beta = .23, p < .05). However, providing DXA results did not relate to change in exercise. Health beliefs and general osteoporosis knowledge predicted initial calcium and exercise levels; there was tentative evidence that susceptibility beliefs partially mediate between DXA results and change in calcium intake. DISCUSSION: Personal knowledge of DXA results was related significantly to increases in calcium intake in postmenopausal women, but not to exercise. Directions for further study are discussed.


Asunto(s)
Conductas Relacionadas con la Salud , Conocimientos, Actitudes y Práctica en Salud , Modelos Psicológicos , Osteoporosis Posmenopáusica/prevención & control , Educación del Paciente como Asunto/organización & administración , Mujeres , Absorciometría de Fotón , Anciano , Actitud Frente a la Salud , Calcio de la Dieta/administración & dosificación , Ejercicio Físico/psicología , Femenino , Promoción de la Salud , Humanos , Estilo de Vida , Estudios Longitudinales , Tamizaje Masivo , Persona de Mediana Edad , Osteoporosis Posmenopáusica/diagnóstico por imagen , Posmenopausia/psicología , Cintigrafía , Autocuidado/métodos , Autocuidado/psicología , Autoeficacia , Levantamiento de Peso/educación , Levantamiento de Peso/psicología , Mujeres/educación , Mujeres/psicología
14.
J Appl Psychol ; 91(1): 211-20, 2006 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-16435951

RESUMEN

The authors proposed a model suggesting that organizational environments supporting high levels of informal supervisor and coworker feedback are associated with lower employee perceptions of organizational politics. Furthermore, these lowered perceptions of politics were proposed to result in higher employee morale (as reflected in job satisfaction and affective commitment) and, through morale, to higher levels of task performance and organizational citizenship. The proposed mediational model was supported with empirical results from 150 subordinate-supervisor dyads sampled across a variety of organizations. Higher quality feedback environments were associated with lower perceptions of organizational politics, and morale mediated the relationships between organizational politics and various aspects of work performance. These findings suggest that when employees have greater access to information regarding behaviors that are acceptable and desired at work, perceptions of politics are reduced and work outcomes are enhanced.


Asunto(s)
Actitud , Evaluación del Rendimiento de Empleados , Retroalimentación , Cultura Organizacional , Política , Lugar de Trabajo/psicología , Adulto , Femenino , Humanos , Masculino , Moral , Encuestas y Cuestionarios
15.
ANS Adv Nurs Sci ; 28(4): 306-19, 2005.
Artículo en Inglés | MEDLINE | ID: mdl-16292017

RESUMEN

This study uses a predictive exploratory design to test the relationships between and among childhood maltreatment, intimate partner violence (IPV), posttraumatic stress disorder (PTSD) symptoms, and immune status in abused women. A convenience sample of 126 abused women and 12 nonabused women matched for age and race/ethnicity were recruited. The woman's current smoking habit, history of childhood maltreatment, experience of IPV, and PTSD symptoms predicted immune status. This prediction occurs through both direct and indirect pathways from IPV to immune status and from IPV to immune status through PTSD.


Asunto(s)
Maltrato a los Niños , Maltrato Conyugal , Trastornos por Estrés Postraumático/inmunología , Adulto , Estudios de Casos y Controles , Niño , Maltrato a los Niños/psicología , Femenino , Humanos , Inmunoglobulina A Secretora , Recuento de Leucocitos , Subgrupos Linfocitarios , Persona de Mediana Edad , Modelos Biológicos , Saliva/inmunología , Maltrato Conyugal/psicología
16.
Exp Aging Res ; 31(4): 355-91, 2005.
Artículo en Inglés | MEDLINE | ID: mdl-16147458

RESUMEN

Although there is a large decrement in central episodic memory processes as adults age, there is no appreciable decrement in central semantic memory processes (Allen et al., Journal of Gerontology: Psychological Sciences, 57B, P173-P186, 2002; Allen et al., Experimental Aging Research, 28, 111-142, 2002; Mitchell, Journal of Experimental Psychology: Learning, Memory, and Cognition, 15, 31-49, 1989). The authors develop a theory of episodic memory's connections to cognitive, emotional, and motivational systems to explain these differential age effects. The theory is discussed within the context of the cognitive neuroscience research regarding limbic system connectivity in conjunction with Damasio's notion of somatic markers (Descartes' error: Emotion, reason, and the human brain, New York: Grosset/Putnam, 1994). The central hypothesis is that elements of limbic system circuitry, including portions of the medial temporal lobes and frontal cortex, are associated with both working and long-term episodic memory performance, and by extension, with the capacity to engage in emotion-guided, self-regulatory processes that depend heavily on episodic memory. In contrast, the semantic memory system may have less shared interface with episodic and affective networks (i.e., the limbic-related system), and therefore remain independent of neurocognitive changes impacting emotional states and episodic-type memory processes. Accordingly, this framework may account for the pattern of age-related declines in episodic relative to semantic memory, particularly if older adults experience less emotional activation, and therefore fewer somatic markers, than younger adults. An initial empirical examination of this emotional mediation theory is presented, using preexisting data that include indicators of age, chronic tendency to focus on negative emotional stimuli (neuroticism), and working memory performance.


Asunto(s)
Envejecimiento/psicología , Emociones , Memoria/fisiología , Adolescente , Adulto , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Modelos Neurológicos , Pruebas Neuropsicológicas , Trastornos Neuróticos/psicología , Semántica
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