{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}


overhead2rr_607-2001 - Olds and Milner motivation vs...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
2. Biological Basis of Psychoactive Drug Use: Part I 2.1 Basic physiology of the central nervous system (CNS) Hierarchical organization Evolutionary development of CNS (phylogenetic parallels) Blood-brain barrier (adaptive function) Learning, nerve cell connections, and CNS i growthi 2.2 The brain: regions involved in psychoactive drug effects Phylogenetic breakdown of the brain (hind, mid, fore) Predictors of drug effect: lipid/water solubility Focal vs. diffuse effects Phylogenetic recency and drug-dose sensitivity 2.3 Overview of the limbic system A region specialized to regulate adaptive behaviour 4 drives; Drug Use as possible “5 th Drive” Two critical sets of processes: Emotions and motivation Negative feedback: a model of consumption behaviour Addiction, craving, and satiety Limbic Structures: Ascending Dopamine System
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Olds and Milner: motivation vs. reinforcement Parallel to Cocaine Positive feedback - Dopamine: More glue than glee? 1 2.4 The structures and functions of the neuron Diagram, labels, and definitions of neuronal structures 2.5 Communication between neurons (neurotransmission) Vesicles Synapse Excitatory and inhibitory post-synaptic potentials Receptors: The critical substrate for drug effects Enzymes and re-uptake transporters 2.7 Neurotransmitters: definition, criteria, examples First transmitter discovered: Acetylcholine Key transmitters related to psychopathology & addictions 1/ Monoamines: Dopamine Norepinephrine Serotonin 2/Amino Acid transmitters: Endogenous opioids (Endorphins) GABA (brain’s “dimmer switch”) Glutamate (relation to “MSG”) 2...
View Full Document

{[ snackBarMessage ]}

Page1 / 2

overhead2rr_607-2001 - Olds and Milner motivation vs...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online