PSYB64H3 Chapter Notes - Chapter 4: Thalamus, Organophosphate, Motor Coordination
Document Summary
Identifying neurotransmitters: neurotransmitters substances released by 1 cell at a synapse that produce a reaction in a target cell, must be synthesized within the neuron. Glutamate major excitatory amino acid neurotransmitter in cns: glutamate receptors can be inotropic or metabotropic, gamma aminobutyric acid (gaba) major inhibitory amino acid neurotransmitter. Neuropeptides: coexist in the same neuron with small molecule neurotransmitter and modify its effect, single neuron can contain and release many diff neuropeptides, substance p : neuropeptide, function: perception of pain. Basal forebrain projections to hippocampus and amygdala, septum and brainstem. Ventral tegmentum projections to hippocampus, amygdala and nucleus accumbens. Ventral tegmentum projections to frontal lobe of the cortex. Pons (esp locus coeruleus which projects widely to spinal cord and brain) Projections originate in the pons, particularly the raphe nucleus and project widely in the brain and spinal cord. Neurotransmitters affect adjacent cells across the synapse. Neuromodulators diffuse away from the synapse to target cells some distance away.
