chapter 2 Flashcards
multidimensional integrative approach
Approach to the study of psychopathology that holds that psychological disorders are always the products of multiple interacting causal factors.
The first 20 pairs of chromosomes program the development of the body and brain.
false
No individual genes have been identified that cause any major psychological disorders.
true
According to the diathesis–stress model, people inherit a vulnerability to express certain traits or behaviours that may be activated under certain stress conditions.
true
The idea that individuals may have a genetic endowment to increase the probability that they will experience stressful life events and therefore trigger a vulnerability is predicted by the diathesis–stress model.
false
Environmental events alone influence the development of our behaviour and personalities.
false
neuroscience
Study of the nervous system and its role in behaviour, thoughts, and emotions.
synaptic cleft
Space between nerve cells where chemical transmitters act to move impulses from one neuron to the next.
neurotransmitters
Chemicals that cross the synaptic cleft between nerve cells to transmit impulses from one neuron to the next. Their relative excess or deficiency is involved in several psychological disorders
excitatory
Causing excitation; activating.
inhibitory
Causing inhibition; suppressing.
Movement, breathing, and sleeping depend on this ancient part of the brain, which is present in most animals.
brain stem
This area contains parts of the reticular activating system and coordinates movement with sensory output.
midbrain
More than 80 percent of the neurons in the human central nervous system are contained in this part of the brain, which gives us distinct qualities.
cerebral cortex.
This area is responsible for most of our memory, thinking, and reasoning capabilities, and makes us social animals.
frontal lobe
agonists
Chemical substances that effectively increase the activity of a neurotransmitter by imitating its effects
antagonists
In neuroscience, chemical substances that decrease or block the effects of a neurotransmitter.
inverse agonists
Chemical substances that produce effects opposite those of a particular neurotransmitter.