Which of the following types of tracts are used to conduct nerve impulses between gyri within the same cerebral hemisphere?
a) association tractsb) commissural tractsc) projection tractsd) mammillothalamic tractse) stria medullaris

a. Association tracts

Explanation:

Association tracts are one of the three types of tracts present in the white matter of the cerebrum. These tracts have myelinated axons. Association tracts are the tracts of myelinated axons that serve to deliver the nerve impulses between the gyri of the same cerebral hemisphere. Association tracts are connected with the associated areas of the cerebrum. Association areas of the cerebrum are interconnected by associated tracts.