MCAT TPR PSYCHOLOGY/ SOCIOLOGY GLOSSARY Flashcards
Absolute poverty
Inability to meet a bare minimum of basic necessities, including clean drinking water, food, safe housing, and reliable access to healthcare
Ach Acetylcholine
neurotransmitter used at the neuromuscular junction, throughout the parasympathetic nervous system, and by the preganglionic neurons of the sympathetic nervous system
acetylcholinesterase
enzyme that breaks down acetylcholine in the synaptic cleft
achieved status
those statuses that are considered to be due to largely and individuals efforts
acquisition
in classical conditioning, the process of learning the association between a conditioned stimulus and response
action potential
a localized change in a neuron’s membrane potential that propagates away from its point origin. Action potentials are an all or none process mediated by the opening of voltage-gated Na+ and K+ channels when the membrane is brought to threshold potential; opening Na+ channels causes characteristic depolarization, while opening K+ channels re-polarizes the membrane
Activation - synthesis theory
Theory that dreams are simply byproducts of brain activation during REM sleep. Suggests that the content of dreams is not purposeful or meaningful.
Actor-observer bias
tendency to blame our actions on the situation and blame the actions of others on their personalities
Addiction
A compulsion to do an act repeatedly; can consist of a psychological dependence and/ or physical dependence as evidenced by drug addiction withdraw
Adrenal cortex
outer region of the adrenal gland. the adrenal cortex produces cortisol in response to long-term (chronic) stress and aldosterone in response to low blood pressure or low blood osmolarity
Adrenal medulla
inner region of the adrenal gland, the adrenal medulla is part of the sympathetic nervous system and releases epinephrine (adrenaline) and norepinephrine into the blood stream when stimulated. Epi and norepi prolong and enhance the effect of sympathetic stimulation on the body
ACTH adrenocorticotropic hormone
a tropic hormone produced by the anterior pituitary gland that targets the adrenal cortex, stimulating the release of cortisol and aldosterone
affect
persons visible emotion in the moment
aggregate
people who exist in the same space but do not interact or share a common sense of identity
aggression
behavior that is forceful hostile or attacking. in sociology, aggression is considered something that is intended to cause harm or promote social dominance within a group
Mary Ainsworth
Famous for her “strange situation experiments” where mothers would leave their infants in an unfamiliar environment to see how the would react. Studies suggested a distinction between securely attachment infants and insecurely attachment infants
Algorithm
step by step detailing of steps that aids with problem solving
alpha waves
low amplitude, high frequency brain waves present in a relaxed state. Alpha waves are the first indicator that a person is ready to drift off to sleep
Altruism
A behavior that helps ensure the success of survival of the rest of the social group, possible at the expense of the success or survival of the individual
Alzheimer’s disease
most prevalent form of dementia, this disease is characterized behaviorally by an inability to form new memories, known as anterograde amnesia
amalgamation
occurs when the majority and minority groups combine to form a new group
Amygdala
Almond-shaped structure deep within the brain that orchestrates emotional experiences
Anal stage
The second stage of Freud’s five psycho-sexual stages, in this stage the child seeks sensual pleasure through the control of elimination
Anterior pituitary gland
Also known as the adrenophypophysis, the anterior pituitary is made of glandular tissue. It makes and secretes six different hormones (FLAT PEG): FSH, LH, ACTH, TSH, Prolactin and growth hormone. The anterior pituitary is controlled by releasing and inhibiting factors from the hypothalamus