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As an adverse early life experience, maternal separation (MS) induces profound neurochemical, cognitive and emotional dysfunction. Previous studies have reported that MS affected prepulse inhibition (PPI), anxiety-related behaviors, dopaminergic and serotonergic activity in adult rats, and in the present study, we investigated the effects of repeated(More)
Adolescence is a critical period for neurodevelopment. In the present study, we investigated the effects of peri-adolescent social isolation on latent inhibition (LI) and dopamine D2 receptor expression in the medial prefrontal cortex (mPFC) and nucleus accumbens (NAc) of young adult rats. Male Sprague-Dawley rats were randomly divided into adolescent(More)
Isolation rearing produces significant behavioral and neurochemical dysregulations in rodents. However, few studies have examined the effects of short-term isolation rearing during puberty compared to chronic social isolation from weaning to adulthood. In this study, we subjected weaning rats to a brief two-week social isolation and then re-socialized them(More)
AIMS Early postnatal maternal and/or sibling separation (MS) can play an important role in the development of psychopathologies during ontogeny. The purpose of the present study is to investigate the effects of repeated MS on the cognitive and brain-derived neurotrophic factor (BDNF) function of rats. METHODS We investigated the effects of repeated MS(More)
Maternal separation (MS) induces profound behavioral and neurochemical dysregulations in adult rodents. In the present longitudinal study, we investigated the effects of repeated (4h/day) maternal separation during postnatal days 1-21 on serotonergic synthesis and activity in the prefrontal cortex (PFC), nucleus accumbens (NAc) and hippocampus of juvenile(More)
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