AP Psychology: Biological Bases of Behavior 2

Question 1

Which neurotransmitter is primarily associated with pleasure, reward, and motivation?

Accepted Answer

Dopamine

Answer

Serotonin

Answer

GABA

Answer

Acetylcholine

Question 2

What is the function of the hippocampus in the brain?

Accepted Answer

Formation of new long-term memories

Answer

Regulation of fear and aggression

Answer

Control of motor coordination

Answer

Processing of visual information

Question 3

What is the all-or-none principle in neural transmission?

Accepted Answer

A neuron either fires at full strength or does not fire at all

Answer

Neurons gradually increase their firing rate

Answer

Neural signals weaken as they travel along the axon

Answer

Multiple neurons must fire simultaneously for a signal to transmit

Question 4

Which brain structure serves as the relay station for sensory information (except smell)?

Accepted Answer

Thalamus

Answer

Hypothalamus

Answer

Cerebellum

Answer

Medulla oblongata

Question 5

What role does the endocrine system play in behavior?

Accepted Answer

It releases hormones that regulate mood, growth, metabolism, and stress responses

Answer

It transmits electrical impulses along nerve fibers

Answer

It controls voluntary muscle movements

Answer

It processes and stores memories

Question 6

What does the split-brain research by Roger Sperry reveal about brain lateralization?

Accepted Answer

The two hemispheres have specialized functions and can operate independently

Answer

The brain has no functional differences between hemispheres

Answer

Only the left hemisphere processes language

Answer

Split-brain patients lose all cognitive function