What is Corpora striata ?

Concept: Corpus Striatum is an important nucleus located in the forebrain. It is the largest structure present in the basal ganglia and is divided into two parts, the dorsal striatum, and ventral striatum. A cross-section of the lateral ventricle shows that the roof is made up of corpus callosum and the wall is of septum pellucidum. Its floor is made up of corpus striata. Corpus straitum controls cognition, reward and coordinate the movements.

Hence, the correct answer is B.