https://www.ncbi.nlm.nih.gov/pubmed/28585051
Abstract
The putamen is a subcortical structure that forms part of the dorsal striatum of basal ganglia, and has traditionally been associated with reinforcement learning and motor control, including speech articulation.
DAILY NEWS 28 October 2008
‘Hate circuit’ discovered in brainhttps://www.newscientist.com/article/dn15060-hate-circuit-discovered-in-brain/[...]
The results showed two brain regions that our “hate circuit†shares with the “love circuit†– the putamen and the insular cortex or insula.
The putamen is thought to be used to prepare the body for movement – so it’s possible this be active either to provide protection of the loved one, or to prepare for an aggressive or spiteful act from the hated one. The insula is associated with feelings of distress, such as jealousy.
Scheming hatredHowever, there was also an important difference. The areas of the frontal cortex associated with judgement and reasoning are typically less active when viewing a lover compared to someone more neutral, meaning they are less likely to feel critical of their partner.
The hate-filled subjects, though, only showed a reduction in one small part of this area, while the rest was still active.
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