01
Front
What does psychophysics measure?
Back
Psychophysics measures how changes in physical stimuli affect perceptual judgments, such as detection, discrimination, and identification.
Free Online Flashcard Deck
6 Evidence and Applications in Perceptual Psychology Free Online FlashCards
Study 6 Evidence and Applications in Perceptual Psychology with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
12 cards
02
Front
Why vary one perceptual cue at a time?
Back
Researchers vary one cue while controlling other image properties, helping isolate its role in perceptual organization.
03
Front
What does the Kanizsa figure demonstrate?
Back
In a Kanizsa figure, incomplete circles can produce the perception of a bright shape and contours without corresponding physical borders.
04
Front
What is the contextual effect in the Ebbinghaus illusion?
Back
A central circle can appear larger among small surrounding circles than among large ones, showing how context affects perceived size.
05
Front
How can researchers test whether context influences object recognition?
Back
If a supportive scene context improves identification of a briefly shown or degraded object, that is evidence that context influences recognition.
06
Front
What makes EEG and MEG useful for studying perception?
Back
EEG and MEG track electrical or magnetic activity with high temporal resolution, helping researchers study when neural responses differ.
07
Front
What does fMRI estimate, and what is one timing limitation?
Back
fMRI estimates activity-related changes in blood oxygenation and helps identify regions responding differently across conditions; its signal is slower than neural events.
08
Front
Why does brain activity during a task not prove a region is necessary?
Back
Brain imaging is generally correlational: activity during a task does not by itself prove that a region is required for perception.
09
Front
How can TMS provide evidence about a brain region's causal contribution?
Back
TMS temporarily perturbs targeted cortical processing. A selective decline in a perceptual judgment supports a causal contribution, though effects may spread through connected networks.
10
Front
What response to illusory surfaces has been observed in some V4 neurons?
Back
Some neurons in area V4 respond more strongly when stimulus elements form an illusory surface than when similar elements do not.
11
Front
What is characteristic of apperceptive agnosia?
Back
Apperceptive agnosia involves difficulty forming a stable visual representation of an object; matching, copying, or recognition from unusual views may be impaired.
12
Front
What is prosopagnosia?
Back
Prosopagnosia is a selective difficulty recognizing familiar faces; other visual abilities may be relatively preserved.
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