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2.
J Exp Child Psychol ; 241: 105869, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38350253

RESUMO

Children and young adolescents often tend to behave dishonestly in order to serve their self-interests. This study focused on how empathic abilities affect children's tendency to deceive others. Deception is the act of causing others to form a false belief to get them to act in a way that serves the deceiver's interests. As such, it requires the ability to predict how others might use the provided information. In two experiments, 274 participants (aged 10-16 years) played a game in which they could send a deceptive message to another participant to boost their own payoff at the other player's expense. We measured participants' cognitive and emotional empathy using different measures. We found that a measure of cognitive empathy, namely the fantasy scale, was associated with less deception of another player when that other player was not identified and was presented only as "Player B." However, when Player B was identified by name, empathy did not predict deception. In such cases, the only factors affecting deception rates were the gain for the participant (higher possible gains lead to more deception) and loss to the other player (higher possible losses lead to less deception). Overall, the findings suggest that even by 11 years of age, children can understand the impact of their unethical behavior on another child and adjust their actions accordingly. However, when the other child is not identified, children need to possess high levels of cognitive empathy toward imagined individuals to resist the temptation to deceive the other child.


Assuntos
Enganação , Empatia , Criança , Humanos , Adolescente , Emoções , Motivação , Cognição
3.
Front Psychol ; 14: 1237278, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37928564

RESUMO

Introduction: Empathy is a complex, multifaceted ability allowing for the most basic forms of social communication and plays a prominent role in multiple aspects of everyday lives. In this intensive longitudinal study, we assessed how empathy interacts with stress to predict central domains of psychosocial functioning: mental health, romantic relationships, and parenting. Methods: Fluctuations and individual differences in empathy were assessed across eight time points, where participants from the general population (N = 566) self-reported their empathy, stress, depressive symptoms, romantic satisfaction, and parental functioning. Results: Both trait and state aspects of empathy were associated with all psychosocial outcomes, with state empathy showing a stronger effect. Additionally, empathy components interacted with stress-emotional empathy better-predicted outcomes under high stress, while cognitive empathy under low stress. Discussion: Our findings advance the theoretical understanding of empathy, emphasizing the effects of state-dependent empathy fluctuations on our everyday mental and social lives.

4.
J Fam Psychol ; 37(8): 1241-1252, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37768596

RESUMO

The immense responsibility inherent in parenthood makes feeling guilty highly prevalent among parents. Such feelings are natural, yet excessive guilt is related to depression and anxiety and could burden parents. Qualitative research suggested that guilt is predominant in parents whose children suffer from behavioral and emotional difficulties, making it necessary to quantify guilt and examine possible resilience factors that could alleviate the aversive aspects of it. In this study, we examined the association between children's externalizing and internalizing problems and different aspects of parental guilt, assessing whether parental reflective functioning (PRF) would moderate these associations. One hundred six parents of children aged 1.30-9.30 years were recruited from child daycare centers and community clinics. The Parent Development Interview was administered to measure PRF. Based on this interview, we created a new coding system, to quantify three aspects of parental guilt: intensity, reparation, and internal reaction to guilt. Children's difficulties as well as parents' depression and anxiety were assessed using validated self-report measures. We showed that children's difficulties were related to parental guilt, but only when levels of PRF were not high. Specifically, internalizing problems were related to greater intensity and negative internal reaction to guilt only when PRF was low or moderate, and externalizing problems were related to greater intensity of guilt only when PRF levels were low. These findings suggest that encouraging reflective functioning could reduce the burden of guilt. (PsycInfo Database Record (c) 2023 APA, all rights reserved).


Assuntos
Culpa , Pais , Humanos , Criança , Pais/psicologia , Emoções , Ansiedade , Comportamento Infantil/psicologia
5.
Front Psychol ; 14: 1153447, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37275732

RESUMO

Introduction: Empathy is part of basic social cognition and is central to everyday interactions. Indeed, emotional and cognitive empathy deficits are related to various psychopathologies, yet the links reported have been inconsistent. Thus, the mechanism underlying these inconsistent links is poorly understood. At least a partial answer may lie in that the dependency between cognitive and emotional empathy has been overlooked. Here, we examined the (dis)equilibrium between emotional and cognitive empathy and how it relates to individual differences in clinical traits. We further examined a possible mediator of these links-emotional reactivity. Methods: Participants (N = 425) from the general population reported on their empathy, emotional reactivity, autistic traits, psychopathic tendencies, and symptoms of depression and anxiety. Results: Beyond empathy, both extremes of empathic disequilibrium were associated with various features of clinical conditions; Higher emotional relative to cognitive empathy was related to the social domain of autism and anxiety, while higher cognitive relative to emotional empathy was related to the non-social domain of autism, depression symptoms, and psychopathic tendencies. The associations with autistic traits, anxiety, and psychopathic tendencies were mediated by emotional reactivity. Discussion: Our findings suggest a new framework for understanding how individual variability in empathy is expressed in various psychopathologies.

6.
Br J Psychol ; 114(3): 605-620, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-36843557

RESUMO

The ability to empathize with others enables us to effectively interact with each other and may have specifically evolved to support parental roles and caregiving. The relationship between parenting and trait empathy is little understood as previous research focused on empathy exclusively in the context of parenting, for example parental sensitivity. Here we aimed to understand how trait empathy may moderate the association between child's negative emotionality and parental burnout. Two cohorts were examined (1) parents of infants (10-18 months old; N = 203) and (2) parents of children (3-10 years old, N = 201). Parents filled out a battery of online questionnaires assessing maternal empathy, parental burnout and child temperament. We found that the relationship between higher levels of negative emotionality and parental burnout is moderated by specific aspects of maternal emotional empathy. Our findings suggest that maternal emotional empathy acts as a buffer against parental burnout when faced with a child's characteristics that incur higher parental demands.


Assuntos
Empatia , Pais , Criança , Lactente , Humanos , Pré-Escolar , Pais/psicologia , Emoções , Poder Familiar/psicologia , Esgotamento Psicológico
7.
Res Child Adolesc Psychopathol ; 51(1): 103-117, 2023 01.
Artigo em Inglês | MEDLINE | ID: mdl-35776297

RESUMO

The COVID-19 pandemic and associated public health measures have adversely affected the lives of people worldwide, raising concern over the pandemic's mental health consequences. Guided by a systemic model of family functioning during the COVID-19 pandemic (Prime et al., 2020), the current study aimed to examine how caregiver well-being (i.e., maternal depressive symptoms) and family organization (i.e., household chaos) are related to longitudinal trajectories of children's emotional and behavioral problems. Data were collected at four time points during and after home lockdown periods. Mothers of children (N = 230; 55% male) between the ages of two to five years were asked to complete questionnaires via an Israeli online research platform. Results indicated that emotional and behavioral problems, household chaos, and maternal depressive symptoms were the highest during the first lockdown assessment and dropped in the post-lockdown periods. Multilevel models further revealed that at the between-participants level, maternal depressive symptoms and household chaos positively predicted children's emotional and behavioral problems. At the within-participants level, household chaos fluctuations positively predicted fluctuations in child behavioral but not emotional problems. Our findings suggest that lockdowns have adverse effects on both maternal and child mental health. Screening for depressive symptoms among mothers of young children and maintaining household structure are important targets for future interventions to assist parents in navigating the multiple challenges brought upon by the COVID-19 pandemic.


Assuntos
COVID-19 , Depressão , Feminino , Humanos , Criança , Masculino , Pré-Escolar , Pandemias , Estudos Longitudinais , Controle de Doenças Transmissíveis , Mães/psicologia
8.
Autism Res ; 15(10): 1917-1928, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-36053924

RESUMO

A large body of research showed that autistic people have intact emotional (affective) empathy alongside reduced cognitive empathy. However, there are mixed findings and these call for a more subtle understanding of empathy in autism. Empathic disequilibrium refers to the imbalance between emotional and cognitive empathy and is associated with a higher number of autistic traits in the typical population. Here we examined whether empathic disequilibrium predicts both the number of autistic traits and autism diagnosis. In a large sample of autistic (N = 1905) and typical individuals (N = 3009), we examined empathic disequilibrium and empathy as predictors of autistic traits and autism diagnosis, using a polynomial regression with response surface analysis. Empathy and autistic traits were measured using validated self-report questionnaires. Both empathic disequilibrium and empathy predicted linearly and non-linearly autism diagnosis and autistic traits. Specifically, a tendency towards higher emotional than cognitive empathy (empathic disequilibrium towards emotional empathy) predicted both autism diagnosis and the social domain of autistic traits, while higher cognitive than emotional empathy was associated with the non-social domain of autism. Empathic disequilibrium was also more prominent in autistic females. This study provides evidence that beyond empathy as was measured thus far, empathic disequilibrium offers a novel analytical approach for examining the role of empathy. Empathic disequilibrium allows for a more nuanced understanding of the links between empathy and autism. LAY SUMMARY: Many autistic individuals report feelings of excessive empathy, yet their experience is not reflected by most of the current literature, typically suggesting that autism is characterized by intact emotional and reduced cognitive empathy. To fill this gap, we looked at both ends of the imbalance between these components, termed empathic disequilibrium. We show that, like empathy, empathic disequilibrium is related to autism diagnosis and traits, and thus may provide a more nuanced understanding of empathy and its link with autism.


Assuntos
Transtorno do Espectro Autista , Transtorno Autístico , Transtorno do Espectro Autista/diagnóstico , Transtorno do Espectro Autista/psicologia , Transtorno Autístico/psicologia , Empatia , Feminino , Humanos , Fenótipo , Inquéritos e Questionários
9.
Autism ; 26(2): 373-388, 2022 02.
Artigo em Inglês | MEDLINE | ID: mdl-34184558

RESUMO

LAY ABSTRACT: Sex-steroids, such as testosterone, are thought to be one of the biological factors implicated in autism. This relies on the sex bias in the diagnosis of autism (boys are approximately four times more likely to be diagnosed than girls) and findings of associations with fetal testosterone levels in traits and abilities related to autism. The current study aimed to examine the association between medical conditions and physical symptoms, which tend to manifest in adulthood, and autism in females. Moreover, we examined their association with autistic traits throughout the spectrum. We focused on autistic women because there is little research focusing on the healthcare needs of autistic women, but those that exist suggest heightened vulnerability, and lower access to medical care. We find that conditions related to steroid hormones function are more frequent in autistic women and that they correlate with autistic traits. Specifically, we found that body mass index, reproductive system diagnoses, prediabetes symptoms, irregular puberty onset, and menstrual irregularities were significantly more frequent in autistic women and were significantly correlated with autistic traits in neurotypical women. The findings have important implications for raising awareness in autistic women of the possibility of medical conditions which might need medical attention. In addition, healthcare providers should consider these associations when performing healthcare maintenance checks and/or screening for autism.


Assuntos
Transtorno do Espectro Autista , Transtorno Autístico , Adulto , Transtorno do Espectro Autista/diagnóstico , Índice de Massa Corporal , Feminino , Humanos , Masculino , Fenótipo
10.
Dev Sci ; 24(2): e13016, 2021 03.
Artigo em Inglês | MEDLINE | ID: mdl-32649796

RESUMO

Concern for distressed others is a highly valued human capacity, but little is known about its early ontogeny. Theoretical accounts of empathy development have emphasized stages, but this has been called into question. This study sheds new light on four key issues: onset, consistency, development, and predictive power of early manifestations of concern for others. Three-month-old Israei infants (N = 165) were followed longitudinally at ages 6, 12, and 18 months, and their observed responses to others' distress were assessed. Concern for distressed others was seen early in the first year of life, long before previous theories assumed. Empathic concern was moderately consistent across both situation and age, from as early as 3 months. Concern for others grew only modestly with age, plateauing during the second year, whereas prosocial behavior increased rapidly during the second year. Early individual differences in concern for others predicted later prosocial behavior on behalf of distressed others. Findings underscore the early roots of caring, and appear to refute assumptions of prior stage theories of empathy development, by showing that concern for others develops much earlier and more gradually than previously assumed.


Assuntos
Emoções , Empatia , Adolescente , Altruísmo , Criança , Humanos , Individualidade , Lactente , Comportamento Social
11.
Mol Autism ; 11(1): 59, 2020 07 13.
Artigo em Inglês | MEDLINE | ID: mdl-32660537

RESUMO

BACKGROUND: Features of autism spectrum conditions (ASC) are normally distributed within the population, giving rise to the notion of the autism spectrum. One of the hallmark features of ASC is difficulties in social communication, which relies heavily on our ability to empathize with others. Empathy comprises of both cognitive (CE) and emotional (EE) components that, together, allow us to understand another's emotions and be affected by them appropriately, while maintaining a self-other distinction. Although CE and EE depend on distinct neural and developmental trajectories, it was suggested that the two empathic capacities can influence, balance, and regulate each other. Previous findings regarding the role of emotional and cognitive empathy in ASC have been mixed. Therefore, our study aimed to investigate whether the intra-personal empathy imbalance between the cognitive and emotional components, a measure we termed empathic disequilibrium (ED), can be associated with autism traits at the neurotypical range. METHODS: Participants were 671 young-adults at the neurotypical range who self-reported their empathy, assessed using two highly validated questionnaires-the Interpersonal Reactivity Index and the Empathy Quotient, autism traits using the Autism-Spectrum Quotient, and the related traits, alexithymia, and systemizing. RESULTS: Controlling for the total empathy score, greater ED was found to be positively correlated with autism traits. Specifically, autism traits were found to be elevated in groups of individuals with relatively higher EE than CE, underscoring their imbalance. CONCLUSIONS: Our study offers a novel perspective on the understanding of the social difficulties associated with autism tendencies in the general population and has potentially important clinical implications for understanding of ASC. We also propose a novel characterization of autism tendencies based on the imbalance between EE and CE, which we term ED, as opposed to examining EE and CE separately.


Assuntos
Transtorno Autístico/psicologia , Empatia , Transtorno Autístico/fisiopatologia , Cognição , Emoções , Feminino , Humanos , Masculino , Adulto Jovem
13.
Sci Rep ; 10(1): 9814, 2020 06 17.
Artigo em Inglês | MEDLINE | ID: mdl-32555432

RESUMO

Human-human social touch improves mood and alleviates pain. No studies have so far tested the effect of human-robot emotional touch on experimentally induced pain ratings, on mood and on oxytocin levels in healthy young adults. Here, we assessed the effect of touching the robot PARO on pain perception, on mood and on salivary oxytocin levels, in 83 young adults. We measured their perceived pain, happiness state, and salivary oxytocin. For the 63 participants in the PARO group, pain was assessed in three conditions: Baseline, Touch (touching PARO) and No-Touch (PARO present). The control group (20 participants) underwent the same measurements without ever encountering PARO. There was a decrease in pain ratings and in oxytocin levels and an increase in happiness ratings compared to baseline only in the PARO group. The Touch condition yielded a larger decrease in pain ratings compared to No-Touch. These effects correlated with the participants' positive perceptions of the interaction with PARO. Participants with higher perceived ability to communicate with PARO experienced a greater hypoalgesic effect when touching PARO. We show that human-robot social touch is effective in reducing pain ratings, improving mood and - surprisingly - reducing salivary oxytocin levels in adults.


Assuntos
Ocitocina/metabolismo , Percepção da Dor , Robótica , Saliva/metabolismo , Interação Social , Tato , Adulto , Emoções , Feminino , Humanos , Masculino
14.
Child Abuse Negl ; 106: 104523, 2020 08.
Artigo em Inglês | MEDLINE | ID: mdl-32485322

RESUMO

BACKGROUND: Empathy deficits are related to parental maltreatment, and early exposure to maltreatment is associated with later impairments in social and interpersonal skills, possibly as the result of specific deficits in cognitive and emotional empathy. OBJECTIVE: To examine the association between maternal and child's emotional and cognitive empathy, and how this relationship is mediated by maltreatment risk. PARTICIPANTS AND SETTING: 462 mothers of 4-10 years olds (48 % girls; M = 6.51 ± 1.57) were recruited through an online platform (Prolific Inc.) during 2018. METHODS: Mothers were asked to report on their own cognitive and emotional empathy, views related to abuse risk, and their child's cognitive and emotional empathy. RESULTS: Findings show that maternal perspective taking (a measure of cognitive empathy), and maternal personal distress predict child's cognitive empathy through abuse risk (beta = -0.29, p value = 0.0002 and beta = 0.22, p value = 0.0001, respectively). Conversely, for child's emotional empathy there was no mediation through abuse risk, rather direct associations were observed for empathic concern (a measure of emotional empathy; beta = 0.36, p value = 0.0197), personal distress (beta = 0.23, p value = 0.0332), and the fantasy scale (another measure of cognitive empathy; beta = 0.36, p value = 0.0019). CONCLUSIONS: These findings help clarify the complex links between maternal empathy, abuse risk, and child's empathy, showing that maternal views related to abuse are specifically predictive of child's cognitive but not emotional empathy. As such, these findings raise further questions regarding the mechanism by which maternal characteristics and behavior are associated with child's empathy.


Assuntos
Maus-Tratos Infantis/psicologia , Empatia/fisiologia , Relações Mãe-Filho/psicologia , Mães/psicologia , Criança , Pré-Escolar , Emoções , Feminino , Humanos , Masculino
15.
Neurosci Biobehav Rev ; 114: 113-133, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-32353470

RESUMO

Empathy is considered a cornerstone of human social experience, and as such has been widely investigated from psychological and neuroscientific approaches. To better understand the factors influencing individual differences in empathy, we reviewed and meta-analyzed the behavioral genetic literature of emotional empathy- sharing others' emotions (k=13), and cognitive empathy- understanding others' emotions (k = 15), as manifested in twin studies. Results showed that emotional empathy is more heritable, 48.3 % [41.3 %-50.6 %], than cognitive empathy, 26.9 % [18.1 %-35.8 %]. Moreover, cognitive empathy as examined by performance tests was affected by the environment shared by family members, 11.9 % [2.6 %-21.0 %], suggesting that emotional understanding is influenced, to some degree, by environmental factors that have similar effects on family members beyond their genetic relatedness. The effects of participants' age and the method used to asses empathy on the etiology of empathy were also examined. These findings have implications for understanding how individual differences in empathy are formed. After discussing these implications, we suggest theoretical and methodological future research directions that could potentially elucidate the relations between genes, brain, and empathy.


Assuntos
Emoções , Empatia , Encéfalo , Cognição , Humanos , Individualidade
16.
Br J Psychol ; 111(2): 322-334, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-31190326

RESUMO

The current study examined whether and when young infants are sensitive to distressed others, using two experiments with a forced-choice paradigm. Experiment 1 showed that 5- to 9-month-old infants demonstrate a clear pro-victim preference: Infants preferred a distressed character that had been physically harmed over a matched neutral character. Experiment 2 showed that infants' preference for a distressed other is not invariable, but rather depends on the context: Infants no longer preferred the distressed character when it expressed the exact same distress but for no apparent reason. These findings have implications for the early ontogeny of human compassion and morality, addressed in the discussion.


Assuntos
Desenvolvimento Infantil/fisiologia , Emoções , Empatia , Feminino , Humanos , Lactente , Masculino , Princípios Morais
17.
Mol Autism ; 10: 12, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-30918622

RESUMO

Background: Autism is a highly varied and heritable neurodevelopmental condition, and common variants explain approximately 50% of the genetic variance of autism. One of the genes implicated in autism is the oxytocin receptor (OXTR). The current study combined genetic and brain imaging (fMRI) data to examine the moderating effect of genotype on the association between diagnosis and brain activity in response to a test of cognitive empathy. Methods: Participants were adolescents (mean age = 14.7 ± 1.7) who were genotyped for single nucleotide polymorphisms (SNPs) within the OXTR and underwent functional brain imaging while completing the adolescent version of the 'Reading the Mind in the Eyes' Test (Eyes Test). Results: Two (rs2254298, rs53576) of the five OXTR SNPs examined were significantly associated with brain activity during the Eyes Test, and three of the SNPs (rs2254298, rs53576, rs2268491) interacted with diagnostic status to predict brain activity. All of the effects localized to the right supramarginal gyrus (rSMG) and an overlap analysis revealed a large overlap of the effects. An exploratory analysis showed that activity within an anatomically defined rSMG and genotype can predict diagnostic status with reasonable accuracy. Conclusions: This is one of the first studies to investigate OXTR and brain function in autism. The findings suggest a neurogenetic mechanism by which OXTR-dependent activity within the rSMG is related to the aetiology of autism.


Assuntos
Transtorno Autístico/genética , Reconhecimento Facial , Polimorfismo de Nucleotídeo Único , Receptores de Ocitocina/genética , Adolescente , Transtorno Autístico/fisiopatologia , Encéfalo/diagnóstico por imagem , Encéfalo/fisiologia , Criança , Emoções , Feminino , Genótipo , Humanos , Imageamento por Ressonância Magnética , Masculino
18.
Healthc Inform Res ; 23(3): 176-182, 2017 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-28875052

RESUMO

OBJECTIVES: Confidentiality of health information is an important aspect of the physician patient relationship. The use of digital medical records has made data much more accessible. To prevent data leakage, many countries have created regulations regarding medical data accessibility. These regulations require a unique user ID for each medical staff member, and this must be protected by a password, which should be kept undisclosed by all means. METHODS: We performed a four-question Google Forms-based survey of medical staff. In the survey, each participant was asked if he/she ever obtained the password of another medical staff member. Then, we asked how many times such an episode occurred and the reason for it. RESULTS: A total of 299 surveys were gathered. The responses showed that 220 (73.6%) participants reported that they had obtained the password of another medical staff member. Only 171 (57.2%) estimated how many time it happened, with an average estimation of 4.75 episodes. All the residents that took part in the study (45, 15%) had obtained the password of another medical staff member, while only 57.5% (38/66) of the nurses reported this. CONCLUSIONS: The use of unique user IDs and passwords to defend the privacy of medical data is a common requirement in medical organizations. Unfortunately, the use of passwords is doomed because medical staff members share their passwords with one another. Strict regulations requiring each staff member to have it's a unique user ID might lead to password sharing and to a decrease in data safety.

19.
Philos Trans R Soc Lond B Biol Sci ; 371(1686): 20150077, 2016 Jan 19.
Artigo em Inglês | MEDLINE | ID: mdl-26644596

RESUMO

Empathy reflects the natural ability to perceive and be sensitive to the emotional states of others, coupled with a motivation to care for their well-being. It has evolved in the context of parental care for offspring, as well as within kinship bonds, to help facilitate group living. In this paper, we integrate the perspectives of evolution, animal behaviour, developmental psychology, and social and clinical neuroscience to elucidate our understanding of the proximate mechanisms underlying empathy. We focus, in particular, on processing of signals of distress and need, and their relation to prosocial behaviour. The ability to empathize, both in animals and humans, mediates prosocial behaviour when sensitivity to others' distress is paired with a drive towards their welfare. Disruption or atypical development of the neural circuits that process distress cues and integrate them with decision value leads to callous disregard for others, as is the case in psychopathy. The realization that basic forms of empathy exist in non-human animals is crucial for gaining new insights into the underlying neurobiological and genetic mechanisms of empathy, enabling translation towards therapeutic and pharmacological interventions.


Assuntos
Empatia , Comportamento Social , Animais , Comportamento Animal , Evolução Biológica , Encéfalo/fisiologia , Humanos , Psicologia do Desenvolvimento , Estresse Psicológico
20.
Front Psychol ; 6: 846, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26157401

RESUMO

Affective knowledge, the ability to understand others' emotional states, is considered to be a fundamental part in efficient social interaction. Affective knowledge can be seen as related to cognitive empathy, and in the framework of theory of mind (ToM) as affective ToM. Previous studies found that cognitive empathy and ToM are heritable, yet little is known regarding the specific genes involved in individual variability in affective knowledge. Investigating the genetic basis of affective knowledge is important for understanding brain mechanisms underlying socio-cognitive abilities. The 7-repeat (7R) allele within the third exon of the dopamine D4 receptor gene (DRD4-III) has been a focus of interest, due to accumulated knowledge regarding its relevance to individual differences in social behavior. A recent study suggests that an interaction between the DRD4-III polymorphism and sex is associated with cognitive empathy among adults. We aimed to examine the same association in two childhood age groups. Children (N = 280, age 3.5 years, N = 283, age 5 years) participated as part of the Longitudinal Israel Study of Twins. Affective knowledge was assessed through children's responses to an illustrated story describing different emotional situations, told in a laboratory setting. The findings suggest a significant interaction between sex and the DRD4-III polymorphism, replicated in both age groups. Boy carriers of the 7R allele had higher affective knowledge scores than girls, whereas in the absence of the 7R there was no significant sex effect on affective knowledge. The results support the importance of DRD4-III polymorphism and sex differences to social development. Possible explanations for differences from adult findings are discussed, as are pathways for future studies.

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