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1.
Sci Rep ; 14(1): 21662, 2024 09 17.
Artículo en Inglés | MEDLINE | ID: mdl-39289415

RESUMEN

Empathy impairments are considered a key aspect of autism-spectrum disorders (ASD). Previous research consistently shows reduced cognitive empathy, but findings on affective empathy vary, possibly due to experimental design variations (e.g., stimulus modality, social distance) and individual psychological factors (e.g., perceptual abilities, emotional reactivity). This study aims to clarify deficits in affective and cognitive empathy in ASD by addressing these contributing factors. Empathy was examined in 34 autistic individuals and 33 typically developed controls (TDCs) through the Textual Empathy Test (TET). The TET was developed to assess emotional responses when imagining oneself (emotional reactivity) as compared to a target person (friend, stranger) in emotional situations presented via short verbal descriptions. Participants rated emotional states of the target person (cognitive empathy) as well as their own emotional responses when imagining the target person in that situation (affective empathy). Ratings were interpreted relative to normative mean values through standardized regression coefficients. Results showed that high-functioning autism was associated with lower cognitive and affective empathy irrespective of social distance as well as with decreased emotional reactivity compared to controls. Moreover, emotional reactivity mediated the impact of ASD on both empathic components. In summary, altered emotional reactivity may underlie impaired empathy in autistic individuals.


Asunto(s)
Cognición , Emociones , Empatía , Humanos , Empatía/fisiología , Masculino , Femenino , Emociones/fisiología , Adulto , Cognición/fisiología , Trastorno del Espectro Autista/psicología , Trastorno del Espectro Autista/fisiopatología , Adulto Joven , Trastorno Autístico/psicología , Trastorno Autístico/fisiopatología , Adolescente , Afecto/fisiología
2.
Front Neuroendocrinol ; 67: 101031, 2022 10.
Artículo en Inglés | MEDLINE | ID: mdl-35998859

RESUMEN

Worldwide over 150 million women use oral contraceptives (OCs), which are the most prescribed form of contraception in both the United States and in European countries. Sex hormones, such as estradiol and progesterone, are important endogenous hormones known for shaping the brain across the life span. Synthetic hormones, which are present in OCs, interfere with the natural hormonal balance by reducing the endogenous hormone levels. Little is known how this affects the brain, especially during the most vulnerable times of brain maturation. Here, we review studies that investigate differences in brain gray and white matter in women using OCs in comparison to naturally cycling women. We focus on two neuroimaging methods used to quantify structural gray and white matter changes, namely structural MRI and diffusion MRI. Finally, we discuss the potential of these imaging techniques to advance knowledge about the effects of OCs on the brain and wellbeing in women.


Asunto(s)
Anticonceptivos Orales , Objetivos , Humanos , Femenino , Anticonceptivos Orales/farmacología , Progesterona/farmacología , Estradiol , Encéfalo/diagnóstico por imagen
3.
Front Endocrinol (Lausanne) ; 13: 817825, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35528016

RESUMEN

Fluctuating ovarian hormones have been shown to affect decision-making processes in women. While emerging evidence suggests effects of endogenous ovarian hormones such as estradiol and progesterone on value-based decision-making in women, the impact of exogenous synthetic hormones, as in most oral contraceptives, is not clear. In a between-subjects design, we assessed measures of value-based decision-making in three groups of women aged 18 to 29 years, during (1) active oral contraceptive intake (N = 22), (2) the early follicular phase of the natural menstrual cycle (N = 20), and (3) the periovulatory phase of the natural menstrual cycle (N = 20). Estradiol, progesterone, testosterone, and sex-hormone binding globulin levels were assessed in all groups via blood samples. We used a test battery which measured different facets of value-based decision-making: delay discounting, risk-aversion, risk-seeking, and loss aversion. While hormonal levels did show the expected patterns for the three groups, there were no differences in value-based decision-making parameters. Consequently, Bayes factors showed conclusive evidence in support of the null hypothesis. We conclude that women on oral contraceptives show no differences in value-based decision-making compared to the early follicular and periovulatory natural menstrual cycle phases.


Asunto(s)
Anticonceptivos Orales , Progesterona , Teorema de Bayes , Anticonceptivos Orales/farmacología , Estradiol , Femenino , Humanos , Ciclo Menstrual
4.
Curr Psychiatry Rep ; 21(11): 115, 2019 11 07.
Artículo en Inglés | MEDLINE | ID: mdl-31701260

RESUMEN

PURPOSE OF REVIEW: We review recent research investigating the relationship of hormonal contraceptives and mood with a focus on relevant underlying mechanisms, such as emotion recognition and reactivity, reward processing, and stress response. RECENT FINDINGS: Adverse effects of hormonal contraceptives (HCs) on mood seem most consistent in women with a history of depressive symptoms and/or previous negative experience with HC-intake. Current evidence supports a negativity bias in emotion recognition and reactivity in HC-users, although inconsistent to some extent. Some data, however, do indicate a trend towards a blunted reward response and a potential dysregulation of the stress response in some HC-users. HC-effects on psychological and neurophysiological mechanisms underlying mood are likely context-dependent. We provide suggestions on how to address some of the contributing factors to this variability in future studies, such as HC-dose, timing, administration-mode, and individual risk. A better understanding of how and when HCs affect mood is critical to provide adequate contraceptive choices to women worldwide.


Asunto(s)
Afecto/efectos de los fármacos , Anticonceptivos/efectos adversos , Depresión/complicaciones , Trastornos del Humor/inducido químicamente , Depresión/psicología , Estrógenos/farmacología , Femenino , Humanos , Progesterona/farmacología
5.
J Neural Transm (Vienna) ; 126(9): 1175-1185, 2019 09.
Artículo en Inglés | MEDLINE | ID: mdl-30498952

RESUMEN

Attention biases towards threat signals have been linked to the etiology and symptomatology of social anxiety disorder (SAD). Dysfunction of the dorsolateral prefrontal cortex (dlPFC) may contribute to attention biases in anxious individuals. The aim of this study was to investigate the feasibility of near-infrared spectroscopy (NIRS) neurofeedback (NF) training-targeting the dlPFC-and its effects on threat-related attention biases of individuals with SAD. 12 individuals with SAD participated in the NIRS-NF training lasting 6-8 weeks and including a total of 15 sessions. NF performance increased significantly, while the attention bias towards threat-related stimuli and SAD symptom severity decreased after the training. The individual increase in neurofeedback performance as well as the individual decrease in SAD symptom severity was correlated with decreased responses to social threat signals in the cerebral attention system. Thus, this pilot study does not only demonstrate that NIRS-based NF is feasible in SAD patients, but also may be a promising method to investigate the causal role of the dlPFC in attention biases in SAD. Its effectiveness as a treatment tool might be examined in future studies.


Asunto(s)
Sesgo Atencional , Reconocimiento Facial , Miedo , Neurorretroalimentación/métodos , Fobia Social/terapia , Corteza Prefrontal , Percepción Social , Espectroscopía Infrarroja Corta , Adulto , Sesgo Atencional/fisiología , Reconocimiento Facial/fisiología , Miedo/fisiología , Estudios de Factibilidad , Femenino , Humanos , Masculino , Fobia Social/fisiopatología , Proyectos Piloto , Corteza Prefrontal/fisiopatología , Resultado del Tratamiento , Adulto Joven
6.
Front Psychol ; 9: 736, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-29867689

RESUMEN

The increasing trend of mass shootings, which were associated with excessive use of violent video games, fueled the debate of possible effects violent video games may have on adolescents and young adults. The aim of this study was to investigate the possible link between violent video gaming effects and the disposition of adverse behavior traits such as interpersonal-affective deficits and disinhibition. Data of 167 young adults, collected by an online questionnaire battery, were analyzed for lifetime video game exposure differences (i.e., non-gamers, non-violent video gamers, stopped violent video game users, and ongoing violent video game users) as well as for recent exposure effects on adverse behavior traits (Levenson's Psychopathy Scale), while controlling for other potentially confounding lifestyle factors. While interpersonal-affective deficits were significantly higher in participants with ongoing violent video game exposure compared to non-gamers and non-violent video gamers, disinhibition was significantly higher in both - stopped and ongoing - violent video game exposure groups compared to non-gamers. Recent violent video game exposure was a stronger predictor for interpersonal-affective deficits, but was also significant for disinhibition. Considering that we observed small to medium effects in a sample of young adults with little to moderate use of violent video games highlights the importance of further investigating the potential adverse effects of violent video games on quality of social relationships.

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