AP Psych Chapters 3 and 4 Test Review
Chapter 3
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Neurons: basic parts
Neural impulse: know the charge inside an axon and what happens to initiate an impulse
Inhibitory and excitatory postsynaptic potentials
Reuptake
Lock and key principle
Agonist/Antagonist
Endorphins
Nervous systems: know the basic systems and what function they serve
Afferent/Efferent nerves
Devices to monitor the brain
Brain structures and functions; lobes of the brain as well
Broca’s and Wernicke’s Areas
Brain lateralization
Endocrine system
Dominant/recessive genes
Phenotype/genotype
Chapter 4
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Absolute threshold and Just Noticeable Difference
Signal-Detection Method: know hit, miss, false alarm, correct rejection; Also know how
expectations affect it
Effects of subliminal messages
Light perception: how wavelength, amplitude, purity, and saturation affect it
Parts of the eye and function: includes retina (cones and rods)
Parallel processing: what it is; also parvocellular and magnocellular
Theories of color vision
Feature analysis
Gestalt principles
Binocular and monocular depth cues
Sound: how do amplitude, wavelength, and purity affect perception of sound; how do we
measure sound
Structures of the ear and function
Theories of hearing (place, frequency, volley principle)
Auditory localization
Other senses: gustatory, olfactory, hot/cold touch, vestibular system, kinesthetic system
Essay Options
1. Compare and contrast the nervous system and the endocrine system.
2. Provide an overview of the Trichromatic and Opponent Process theories of color vision and
resolve the “debate” between the two.
3. Provide an overview of the place and frequency theories of pitch perception and resolve the
“debate” between the two.