Beans, the stable diet of Nigerians contains serotonin and its precursor, 5-Hydroxytryptophan. Serotonin as a neurotransmitter has neurobehavioural actions which include mood, memory, learning and sleep. It was therefore the aim of this study to find out whether long term consumption of uncooked black eye beans (Vigna unguiculata) diet commonly called iron beans, has effects on some neurobehavi...