Regarding reward, what is the difference between wanting and liking? Describe the brain regions involved with each.
What will be an ideal response?
Reward is not a single process. Instead, reward can be divided into separate psychological components of liking and wanting. Liking describes pleasure and hedonic responses to a reward, such as our enjoyment of yummy ice cream. Wanting is characterized by more motivational factors such as desire and craving. Liking and wanting ice cream might sound quite similar, but different brain circuits and neurochemical patterns underlie these two components. Liking is associated with activity in a number of small, hedonic hot spots, including nuclei in the pons, the ventral pallidum (part of the globus pallidus of the basal ganglia), the nucleus accumbens, the insula, and the OFC. Wanting is generated by pathways linking the ventral tegmentum of the midbrain with the striatum and prefrontal cortex.
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