Fig. 1From: Dietary polyunsaturated fatty acids improve cholinergic transmission in the aged brainWalnut supplementation significantly decreases acetylcholinesterase activity in the aged striatum, but not in the hippocampus. AChE activity was determined using Ellman’s colorimetric method (data presented as mean ± SEM; control n = 5, 6% n = 7, 9% n = 6; *P < 0.05)Back to article page