PSYC 230 UIUC EXAM 1 NEWEST 2026 NEWEST 2026 200 QUESTIONS AND CORRECT DETAILED ANSWERS

PSYC 230 UIUC EXAM 1 NEWEST 2026 NEWEST 2026 200 QUESTIONS AND CORRECT DETAILED ANSWERS ( ANSWERS)

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PSYC 230 UIUC EXAM 1 NEWEST 2026 NEWEST

2026 200 QUESTIONS AND

CORRECT DETAILED ANSWERS (

ANSWERS)

the registration of physical stimulus on sensory receptros -

ANSWER- Sensation

the process of creating conscious perceptual experiences from

sensory input - ANSWER- Perception

Internal Experience - ANSWER- Phenomenology

colors are coded by three different kinds of nerve fibers -

ANSWER- Thomas Young

doctrine of specific nerve endings - ANSWER- Johannes

Mueller

Perception is constructed from both senses and cognitive

processes - ANSWER- Constructivist Approach

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colors are perceived through 2 pairs of opposing colors (four

primary colors, not three) - ANSWER- Hering

the just-noticeable different between two stimuli is related to the

magnitude or strength of the stimuli - ANSWER- Weber's Law

Father of psychophysics - ANSWER- Fechner

The study of the relation between physical stimuli and the

perception they elicit - ANSWER- Psychophysics

sensation is a logarithmic function of physical intensity -

ANSWER- Fechner's Law

the whole is larger than the sum of its parts - ANSWER- Gestalt

Psychology

psych should be studied in ecological ways-- matches real world

- ANSWER- Gibson and Direct Perception

taste/smell - ANSWER- Frontal Lobe

Hearing - ANSWER- Temporal Lobe

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touch - ANSWER- Parietal Lobe

Seeing - ANSWER- Occipital Lobe

single cell studies - ANSWER- Microelectrode

inability to perceive objects - ANSWER- Agnosia

Cannot recognize faces - ANSWER- Prosopagnosia

record of the electrical activity of the brain - ANSWERElectroencephalogram (EEG)

What does an EEG help diagnose? - ANSWER- seizures,

epilepsy, head injury, dizziness, brain tumors, sleeping

problems, etc.

magnetic resonance imaging that detects changes in blood flow

and therefore identifies regions of the brain that are particularly

active during a given task - ANSWER- Functional MRI (fMRI)

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specification of the values of a psychological dimension of

perceived magnitude (such as brightness, loudness, or

heaviness) corresponding to values of a physical dimension of

stimulus intensity (such as luminous intensity, sound intensity,

or mass) - ANSWER- Psychophysical Scale

smallest level of energy required by an external stimulus to be

detectable by the human senses - ANSWER- Absolute

Threshold

Vision Threshold - ANSWER- A candle 30 miles away on a

dark night

Audition Threshold - ANSWER- A ticking watch 20 feet away

in an otherwise silent location

Taste Threshold - ANSWER- A teaspoon of sugar in 2 gallons

of water

Smell Threshold - ANSWER- A drop of perfume in 3 rooms

Participants judge and assign numerical estimates to the

perceived strength of a stimulus - ANSWER- Magnitude

Estimation