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Psychology_ (Development of) Sensation and Perception questions and answer
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Psychology: (Development of) Sensationand Perception
Development of perceptual abilities - correct answer-. Depth Perception= 6+ months
. Perception of 3D objects= 3-6 months
. Gestalt Principles= 3-4 months
. Perceptual constancy:
- Size constancy: as young as 18 weeks of age: from birth
- Shape constancy: 11-13 weeks
Development of speech perception and production - correct answer-. 1-4 months:
discriminate voiced and voiceless stop consonants: innate ability
. 7 months: Activation in the superior temporal gyrus (STG) and motor areas of the brain
when listening to language
- baby's brain trying to focus on sound and figure out how to make the right movements that
will (later on) produce words
. 1 year: Distinct activity in the superior temporal gyrus when listening to native language (.
distinct activity in motor area when listening to second language [if applicable])
General principles of Perceptual Organisation- Top-down processing - correct
answer-Gestalt Psychology: The whole is greater than the sum of its parts
We are equipped to produce the most complete perception of the environment
Gestalt Theory of Visual Perception:
. Figure-ground relationships:
- Object (figure)- background (ground)
- At first glance (figure)
Perceptual grouping principles:
Six Grouping Principles of Gestalt Perception:
. Proximity
. Similarity
. Closure
. Common Fate
. Good Continuation
. Symmetry
How do we find meaning in sensation? - correct answer-. Feature detectors: very specific
stimulus features are extracted by specific groups of cells
. Perceptual constancy: The ability to recognise the same object as remaining 'constant'
under different conditions, such as changes in illumination, distance or location
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