Research Methods
This variable is manipulated by the researcher.
What is the independent variable?
This neurotransmitter influences mood and is linked to depression.
What is serotonin?
This structure forms new memories.
These branchlike structures receive messages.
What are dendrites?
Your body's 24-hour biological clock.
What are circadian rhythms?
This variable is measured to see it if changed.
What is the dependent variable?
This neurotransmitter is involved in reward and movement.
What is dopamine?
This structure controls fear and aggression.
What is the amygdala?
This long fiber sends messages away from the soma.
What is the axon?
Stage of sleep with vivid dreams and eye movement.
What is REM sleep?
This type of variable accidentally affects the experiment and ruins results.
What is a confounding variable?
This inhibitory neurotransmitter prevents over excitement in the brain.
What is GABA?
This lobe controls decision-making and personality.
What is the frontal lobe?
This fatty layer increases speed of neural impulses.
What is the myelin sheath?
This sleep disorder involves trouble falling or staying asleep.
What is insomnia?
Giving participants a precise definition of a concept so it can be measured.
This neurotransmitter controls muscle action and memory.
What is acetylcholine?
This lobe processes vision.
What is the occipital lobe?
This is the tiny gap between neurons.
What is the synapse?
Failing to notice changes in the environment.
What is change blindness?
Placing participants into groups by chance.
What is random assignment?
A drug that mimics a neurotransmitter.
What is an agonist?
This part of the brain controls balance and coordination.
What is the cerebellum?
A brief electrical charge that travels down the axon.
What is the action potential?
This theory says we only notice things based on motivation and expectation.