Different types of reward have unique effects on the basal ganglia nuclei. Food rewards influence the left hemisphere of the brain, while erotic rewards engage the right lateral globus and left caudate. Financial rewards engage the basal ganglia bilaterally.
Researchers uncover a casual relationship between behavioral control and a specific imbalance in brain function that exists during adolescence.
What we find pleasurable may be down to our genetics. Researchers found nucleus accumbens activation and physical anhedonia were influenced by shared genes. The experience of pleasure and physical anhedonia also appear to share some of the same genes.
According to researchers, blocking the activity of oxytocin restored normal social behavior in stressed mice.
Researchers report that for memory formation, the nucleus accumbens is both upstream and influential.
Glutamatergic neural connections between the prelimbic prefrontal cortex and nucleus accumbens appear to be responsible for co-morbid anxiety and OCD behaviors.