AP AP Psychology & Human Behavior 2

Question 1

Which neurotransmitter is most directly associated with the brain's reward pathway and is implicated in motivation, pleasure, and certain movement disorders?

Accepted Answer

Dopamine

Answer

Serotonin

Answer

GABA

Answer

Acetylcholine

Question 2

The brain structure most responsible for regulating hunger, thirst, body temperature, and the sleep-wake cycle is the:

Accepted Answer

Hypothalamus

Answer

Hippocampus

Answer

Amygdala

Answer

Cerebellum

Question 3

Absolute threshold is defined as the minimum stimulation needed to detect a particular stimulus:

Accepted Answer

50% of the time it is presented

Answer

100% of the time it is presented

Answer

75% of the time it is presented

Answer

Just once under ideal conditions

Question 4

According to the Young-Helmholtz trichromatic theory of color vision, the eye contains three types of cone receptors sensitive to:

Accepted Answer

Red, green, and blue wavelengths

Answer

Yellow, cyan, and magenta wavelengths

Answer

Bright, medium, and dim light levels

Answer

Short, medium, and long sound frequencies

Question 5

Which part of the neuron receives incoming chemical signals from neighboring neurons?

Accepted Answer

Dendrites

Answer

Axon

Answer

Myelin sheath

Answer

Terminal buttons

Question 6

The tendency to perceive a moving stimulus as stationary and a stationary background as moving is an example of:

Accepted Answer

Figure-ground organization

Answer

Signal detection

Answer

Perceptual set

Answer

Stroboscopic motion

Question 7

Roger Sperry's split-brain research demonstrated which finding about hemispheric specialization?

Accepted Answer

Language processing is predominantly located in the left hemisphere for most people

Answer

The two hemispheres are functionally identical in all tasks

Answer

The corpus callosum generates conscious awareness independently

Answer

Emotions are processed exclusively in the right hemisphere