NE (Norepinephrine)Plays a role in mood disorders such as manic depression | Attentiveness, emotions, sleeping, dreaming, and learningReleased as hormone into blood | Excitatory (alpha1, beta1, beta2)Inhibitory (alpha2) | DA (Dopamine)The loss of dopamine in certain parts of the brain causes muscle rigidity typical of Parkinson’s disease | Controls movement and postureModulates moodCentral role in positive reinforcement and dependency | Excitatory (D1)Inhibitory (D2) | 5-HT (Serotonin)Depression, suicide, impulsive behavior, and aggressiveness are results of serotonin imbalances | Regulates body temperature, sleep, mood, appetite, and pain | ExcitatoryInhibitory …show more content…
Ionotropic and Metabotropic * Autoreceptors/Heteroceptors – proteins on Pre-Synaptic Membrane which neurotransmitters bind to. Metabotropic * Enzymes – free floating bodies which break down neurotransmitters * Synaptic vesicles – intra-cellular spheres which house neurotransmitters * Neurotransmitters * Released into neuro-synaptic cleft * Bind with post-synaptic receptors or pre-synaptic