Drugs - created from Mind Map

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Pharmacology

study of how drugs affect the NS and behaviour

Psychoactive drugs

substance that acts to alter mood, thought, or behaviour and is used to manage neuropsychological illness

Administration

Oral

Inhaled

absorbed

injected

Barriers

easy and convenient

barriers

absorbed through lining in stomach or intestine (may be destroyed by enzymes in g-tract)

must next enter the bloodstream (drug must be soluble in water - blood dilutes the drug)

bloodstream

muscle

brain

must be hydrophilic

fewest barriers

Blood Brain Barrier

cell membranes

capillary walls

the placenta

Drugs