Midbrain striatum nucleus {nucleus accumbens} receives excitatory dopaminergic pathway from frontal lobes and ventral tegmentum and receives from basal and lateral amygdala. It sends to ventral pallidum. Nucleus accumbens mediates emotions and movements. Benzodiazepine anti-anxiety agent and antipsychotic agents block dopaminergic pathway activation. Regular drug use and other reward stimuli increase delta FosB transcription factor, which causes sensitization and degrades slowly, in nucleus accumbens.
Biological Sciences>Zoology>Organ>Nerve>Brain>Brainstem>Midbrain
4-Zoology-Organ-Nerve-Brain-Brainstem-Midbrain
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Date Modified: 2022.0224