Definition of "putamen"

putamen

noun
plural putamens or putamina
1. (botany) The shell of a nut; the stone of a drupe fruit; endocarp.
2. (neuroanatomy) A round structure located at the base of the forebrain, regulating movement and learning.
  Quotations
  For calculation of D2 BP, bilateral caudate and putamen ROIs were defined anatomically.
  2009 February 6, Fiona McNab et al., “Changes in Cortical Dopamine D1 Receptor Binding Associated with Cognitive Training”, in Science‎, volume 323, number 5915, pages 800–802
  [M]ultilingual speakers have a greater density of grey matter in the area involved in articulation and phonological processes, namely the left putamen.
  2019, Albert Costa, translated by John W. Schwieter, The Bilingual Brain, Penguin, published 2021, page 92