AP Psychology Unit 1

10/22 test

EEG - electroencephalogram

watches and measures brain waves specifically, does not show brain scan (function)

CT - computed tomography

shows 3D structures of the brain and damage to the brain (structure)

MRI - magnetic resonance imaging

slow, shows structures and functions of the brain (structure + function)

MEG - magnetoencephalography

shows electrical firing, creates pictures of the brain but does not show any problems (function)

PET - positron emission tomography

measures cellular function, blood flow, and metabolic activity in the body's tissues (function)

Substance Use Disorder

a diagnosed condition characterized by continued substance craving and use despite significant life disruption, physical risk, or negative consequences

Tolerance

the brains reduced response to a drug after repeated use, which means a person needs a larger dose to feel the same effect

Withdrawal

the set of uncomfortable or painful physical and psychological symptoms a person feels when they suddenly stop using a drug or behavior they depend on

Opioids

a class of psychoactive drugs that relieve pain and slow down nervous system activity

Hallucinogens

psychedelic drugs that distort perceptions and evoke sensory images without any actual sensory input