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Sci Rep ; 10(1): 8588, 2020 05 22.
Artículo en Inglés | MEDLINE | ID: mdl-32444796

RESUMEN

The ability to interpret and regulate emotions relies on experiences of emotional socialization, obtained firstly through the interaction with the parents, and on genetic features that affect how individuals take on social situations. Evidence from the genetic field states that specific allelic variations of the oxytocin receptor gene polymorphisms regulate physiological modulation of human behavior, especially concerning responses to social cues and affiliative behaviors. Starting from this gene-by-environment interaction frame, we assessed 102 young adults for OXTr rs53576 and rs2254298, recalled parental bonding (using the Parental Bonding Instrument), and recorded participants' neural responses to social stressors using Near InfraRed Spectroscopy (NIRS). The results highlight that higher genetic susceptibility (G/G homozygous) to familiar context and positive early life interactions modulate more optimal neural responses to general social cues, in terms of promptness to action. With regards to the dimensions of parental bonding, we found lateralized effects, with greater activation in the right prefrontal cortex for Care subscales, and on the left side of the prefrontal cortex for Overprotection. Results provide evidence to understand the neurological mechanisms behind the negative impact of poor parenting practices on the child.


Asunto(s)
Interacción Gen-Ambiente , Neuronas/fisiología , Responsabilidad Parental/psicología , Padres/psicología , Polimorfismo Genético , Corteza Prefrontal/fisiopatología , Receptores de Oxitocina/genética , Adulto , Niño , Emociones , Femenino , Humanos , Masculino , Apego a Objetos , Relaciones Padres-Hijo , Medio Social , Espectroscopía Infrarroja Corta , Estrés Psicológico , Adulto Joven
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