Psychology: Motivation to learn declines with age due to reduction of activity in key brain circuit

US experts have been studying 'striosomes' - clusters of cells in the basal ganglia, a brain area linked to habit formation, movement control, emotion and addiction. https://www.dailymail.co.uk/sciencetech/article-8892455/Psychology-Motivation-learn-declines-age-reduction-activity-key-brain-circuit.html?ns_mchannel=rss&ns_campaign=1490&ito=1490