“…Taken together the results discussed here regulation of the various amygdala/hippocampal functions (Pralong et al 2002;Harvey 2003;Hensler 2006). Moreover, many neurological and psychiatric diseases, especially affective disorders, are characterized by a serotonergic dysfunction in these regions (Pralong et al 2002;Hensler 2006;Shin et al 2006;Esposito et al 2008, Di Giovanni et al 2011. Among the plethora of 5-HT receptors (Rs), 5-HT 2A Rs have received considerable attention because of their distribution in these areas, relative high affinity for atypical antipsychotics, and their involvement in the etiology of psychiatric diseases (Gray and Roth 2001;Meltzer and Huang 2008) and memory impairments (de Quervain et al 2003).…”