PSY290H5 Lecture Notes - Lecture 10: Medial Forebrain Bundle, Tricyclic Antidepressant, Cocaine Dependence
Document Summary
Motivational states can be regulated by factors other than. James olds & peter milner, 1954: one of the most important discoveries for understanding motivation was done in. 1954: intracranial electrical stimulation of the hypothalamus and associated structures can act as a reinforcer of, or reward for, behavior rewards arent always effective. In humans, drugs that reduce dopamine activity (such as antipsychotics) have been shown to reduce both motivation and cause inability to experience pleasure. Reward neurotransmitter, and can be triggered by pleasurable activities like eating, sex, maternal behavior etc. Can also be triggered by drugs such as alcohol, marijuana and cocaine. Da receptors and give you the sense of pleasure. However the pleasure sensation lasts only a few seconds. Dat and taken back to the pre-synaptic terminal drug attatics like the feelingof dopaine being there longer. Dopamine: dopamine (3,4 dihyroxy-phenyl-thylamine) is a catecholamine class of monoamines.
