4677350
Description
Mind Map by psycho.unicycler, updated more than 1 year ago
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Created by psycho.unicycler
about 8 years ago
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Sensation & Perception ch.4 by Alex
- psychophysics – the study of how physical
stimuli are translated into psychological
experience
- absolute threshold: stimuli intenseness that is detected 50% of the time
- Weber’s fraction: amount of change to notice something has changed
- Weber’s fraction: amount of change to notice something has changed
- Sensory Adaptation: getting used to stimuli because theres no new changes
- absolute threshold: stimuli intenseness that is detected 50% of the time
- The Eye
- Amplitude: lets us see brightness
- Wave length lets us see colours
- Waves are from electro magnetic radiation
- Waves are from electro magnetic radiation
- Wave length lets us see colours
- Lens: transparent and lets us focus on things close or far clearly
- Retina: receives light and turns it to signals the brain can interpret
- Blindspot: where optic nerve attaches there are no rods or
cones
- Dark adaption: eye becomes more sensitive to light in dark
areas
- Blindspot: where optic nerve attaches there are no rods or
cones
- Vision pathway is light, retina, optic
nerve, thalamus, primary &
secondary visual cortex
- Feature detectors: help us see complex details
- Conor vision is visible by wave different lengths,
Trichromatic Theory is the use of three colours being
added or subtracted to make all colors
- Perception
- Reversible figures: shift back & forth
- Inattention blindness: can't see other things while focusing on
something
- Bottom up processing: seeing elements that make a
whole
- Top down processing: Whole to
elements
- Top down processing: Whole to
elements
- Bottom up processing: seeing elements that make a
whole
- Inattention blindness: can't see other things while focusing on
something
- Distal stimuli: away from
body
- Proximal Stimuli: things get smaller or larger from
distance
- Depth perception: Stimuli for how near or far
something is
- Depth perception: Stimuli for how near or far
something is
- Proximal Stimuli: things get smaller or larger from
distance
- Reversible figures: shift back & forth
- Retinal disparity: with 2 eyes they see slightly different due to location
- Convergence: eyes turning toward or away from
each other due to focusing
- Convergence: eyes turning toward or away from
each other due to focusing
- Motion parallax: how fast something looks when near or far
- Pictorial depth cues: clues about distance in a flat picture
- Perceptual consistency: further objects look smaller but are still the same size
- Perceptual consistency: further objects look smaller but are still the same size
- Pictorial depth cues: clues about distance in a flat picture
- Amplitude: lets us see brightness
- The Ear
- Measured in sound waves, frequency is pitch, amplitude is loudness & purity
- Auditory Localization: knowing where sound came from
- Auditory Localization: knowing where sound came from
- The Kinesthetic System: knows relative body position
- The Vestibular System : body’s location in space, balance or equilibrium, works with semicircular canals in
the inner ear
- Measured in sound waves, frequency is pitch, amplitude is loudness & purity
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