The amygdala plays a critical role in determining the emotional significance of sensory stimuli and the production of fear-related responses. Large amygdalar lesions have been shown to practically abolish innate defensiveness ...

The architecture of the amygdaloid complex of a marsupial, the opossum Didelphis aurita, was analyzed using classical stains like Nissl staining and myelin (Gallyas) staining, and enzyme histochemistry for acetylcholinesterase ...

Maternal aggression is under the control of a wide variety of factors that prime the females for aggression or trigger the aggressive event. Maternal attacks are triggered by the perception of sensory cues from the intruder, ...

Respiratory manifestations of panic disorder (PD) include a greater respiratory instability and enhanced responsiveness to CO2 compared to normal individuals. Although the prevalence of PD is approximately three times ...

The lesion of central nucleus of amygdala (NCeA) decrease sodium intake, but not thirst, induced by angiotensin II and sodium depletion in furosemide model. In the present work we investigated the effect of lesion of NCeA ...

Hepatic encephalopathy (HE) encompasses a variety of neuropsychiatric symptoms, including anxiety and psychomotor dysfunction. Although HE is a frequent complication of liver cirrhosis, the neurobiological substrates ...

Superior Colliculus (SC) is a crucial structure for vertebrate survival given its role in organizing behavioral responses to unexpected visual stimuli. SC is anatomically and functionally connected with aversive stimuli ...