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The importance of central nervous system activity for the experience of pain is best highlighted by

phantom limb sensations

Dogs' limited color vision results fromtheir lack of receptor cells for wavelengths of


Under very dim levels of illumination ____ are more light sensitive than ___

rods cones

As people grow older, they are most likely to need glasses because

the lens loses its ability to change shape readily

Weber's law is relevant to an understanding of

difference thresholds

Pablo thinks 75 watt bubs give more light then 60 watt bulbs. His wie thinks they are equally bright. Pablo has a _____ thresholdthan his wife.

smaller difference

Damage to the fovea would have the greatest effect on

visual acuity

Intensity is to brightness as wavelength is to


The impact of boredom and fatigue on people's absolute thresholds is highlighted by

signal detection theory

If a visual image is 1st presented subliminally , the chance of a person later recognizing the same briefly presented image is improved. This best illustrates that information can be

processed outside of concious awareness

Visible lights have ____ wavelengths than radio waves and ____ wavelengths than x rays

shorter longer

Visual information is processed by ganglion cells ____ it is processed by rods and cones and ____ it is processed by bipolar cells

after after

Digital hearing aids produce ____ sound by restricting the range of sound _____

compressed amplitudes

The volley principle is most relevant to understanding how we sense


Infant rats deprived of their mother's grooming touch produce ____ growth hormones and have a ___ metabolic rate

less lower

The absolute threshold for taste sensations is relatively ____ among people who smoke and relatively ___ among people who abuse alchohol

high high

Receptor cells for the vestibular sense send messages to the


Damage to a region of the temporal lobe essential to recognizing faces results in a condition known as


Which of the following is most notablefor its short term effects on thinking

subliminal stimulation

The phenomenon of blindsight best illustrates that visual information can be processed without

concious awareness

Herman von Helmholtz developed both a _____ theory of color discrimination and a _____ theory of pitch discrimination

trichromatic place

Elderly people typically have an especially ____ absolute threshold for _____ pitched sounds

high high

tinnitus is a phantom ___ sensation


the sensory experience fo bending one's knees or raising one's arms exemplifies


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