نتایج جستجو برای: basolateral amygdala
تعداد نتایج: 21633 فیلتر نتایج به سال:
Fear of heights is evolutionarily important for survival, yet it unclear how and which brain regions process such height threats. Given the importance basolateral amygdala (BLA) in mediating both learned innate fear, we investigated BLA neurons may respond to high-place exposure freely behaving male mice. We found that a discrete set exhibited robust firing increases when mouse was either explo...
Synaptic plasticity in the amygdala is thought to underlie aversive or rewarding learning and emotional memories. In this study, different mechanisms were found to underlie synaptic plasticity in lateral (LA) and basolateral (BLA) amygdala pathways to the primary output nucleus of the amygdala, the central amygdala (CeA). Specifically, 1) long-term potentiation (LTP) at the BLA-CeA synapses was...
The amygdala is a limbic brain region that plays a key role in emotional processing, neuropsychiatric disorders, and the emotional-affective dimension of pain. Preclinical and clinical studies have identified amygdala hyperactivity as well as impairment of cortical control mechanisms in pain states. Hyperactivity of basolateral amygdala (BLA) neurons generates enhanced feedforward inhibition an...
The amygdala is instrumental to a set of brain processes that lead to cocaine consumption, including those that mediate reward and drug craving. This study examined the volumes of the amygdala and hippocampus in cocaine-addicted subjects and matched healthy controls and determined that the amygdala but not the hippocampus was significantly reduced in volume. The right-left amygdala asymmetry in...
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