causes object to resonant as its highest lthreshold
different regions associated with corresponding pitches. Lower more ventral. Higher more dorsal.
Inter aura time differences -sound wave hits one ear before another dependent upon direction. Inter aural intensity differences- in front and behind continual head movement pinni - bounce around
cone of confusion...
lack of ability to discriminate the difference between points a and b , and c and in a projected circular sphere in front of us.
Sources of hearing loss...
conducive deafness- impediment in the transmission of sound from sound wave to basiliar membrane ossicfied ossicales Sensor-neural deafnesses- auditory cortex sustained damage via trauma/stroke,/ hair cells on basiilar membrane.
more intense the stimulus the larger the increase to be noticable
conversion from physical energy to electrical energy interpreted by the PNS/CNS
Smallest quantity of stimulus detectable 50% of the time.
just noticeable difference...
smallest increase in stimulus detectable
Fechner was responsible for the inception of which field of psychology...
signal to noise ratio alters how perceptible the intended stimulus is to traduce... accounted for by which theory...
signal detection theory
response bias in experimentation is a....
baseline consideration for psychophysics experiments.
sensation determine by sense receptor rather than the stimulus... who proposed. Evidence for this... Highlight the influence of sensory modality upon perception
intertwining of sensory cortexes - may explain sensory integration. (Smell and taste)
Mcgurk effect... reliance upon visual when uncertain of auditory information...
explains fa vs ba.
caused intense cross-modality sensations rubber hand illusion another example.
Reticular activating system and the basal forebrain.
filter attention theory...
focus on important stimuli and ignore others. unattended info still processed implicitly (shadowing).
signals into a concrete perception
additive colour mixing... Subtractive mixing
produces lighter colours- white at most produces darker ones (paint/printer)
cillary muscles pull the eye to focus objects upon near or far.
near sightedness- cornea to steep/long eyes far sightedness- flat cornea/ short eyes
fill in from minimal patterns.
carried on x chromsome, most di-chromats rather than monomats.
can't label objects. Similar to anomia (inability to name the written)
leading cause of blindness
those with blindness (V1- inoperable) correct about objects in their visual field.
animals detect pheromones with...
two modalities simulatneously
whole from parts. Sensory orienatated. primary sensory cortex
conceptually driven. influenced by beliefs (association cortex)
relationship between object and its context. Tendency to group similar objects
shapes ,size (across distance), and colour (different lighting) constancy are perceived as similar across contexts
when outlines are missing the brain may provide...
gesalt priceless ensure that objects are percieved in realtionship to one another, not as free floating agents.
objects as whole within their context. Support for projection of constancy and visual schemas to make sense of the world.
Gesalt principles include...
closure - complete with subjective contours figure ground (similar to perceptual set) Similarity- objects similar qualities associated bi-stability- images that may be perceived in two ways phi phenomenon- false movement perceived from sharp flashes.
indicators of depth-perception... monocular:
relative size- objects in the distance smaller than those close Texture gradient- objects less textured with distances light and shadow
indicators of depth-perception... binocular
Binocular disparity: like auditory stereopsis the sensory field over lap. Binocular convergence: triangular on object (Pythagoras)
visual cliff experiment...
validates that depth perception is likely innate, and well-established by crawling age.
precognition Clairvoyance- knowledge of others, and objects without one of the five senses
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