“…In general, no matter what aspect of neurotransmitter dynamics is under investigation, this biochemical approach is strengthened by the inclusion of other nonbiochemical endpoints, such as behavioral, histological, or neurophysiological assessment (for example, Boyd et al, ; Fredricksson et al, ; Kanthasamy et al, ). Many good, detailed reviews have been written on the subject of neurotoxicity and neurotransmitter dynamics (Costa, ).…”