ABSTRACT
Chemical neurotransmission as a tool for cell communication in the human brain
relies on the interaction of neurotransmitters acting on their target receptors. At
the moment, over 100 neurotransmitters with 300 corresponding receptors have
been identified. Malfunction of some of these neurotransmitter systems in
degenerative disorders may provide part of the pathophysiological basis for the
varying symptomatology found in these disorders.
