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The detection and encoding of stimulus energies by the nervous system is called:


The process by which we select, organize, and interpret sensory information in order to recognize meaningful objects and events is called:

top down processing

The patient E.H. suffers from prosopagnosia and is unable to recognize her own face in a mirror. Her difficulty stems from a deficiency in:

signal detection theory

An exhausted forest ranger may notice the faintest scent of a forest fire , whereas much stronger but less important orders fail to catch her attention. This fact would be of greatest relevance to:

subliminal stimulation

Soothing musical audiotapes accompanied by faint and imperceptible verbal messages designed to increased a desire to lose weight best illustrate:

difference thresholds

Weber's law is relevant to an understanding of:

sensory adaptation

After listening to your high volume car stereo for 15 minutes, you fail to realize how loudly the music was blasting. This best illustrates:

sensory adaptation

Diminished sensitivity to an unchanging stimulus is known as:


The process by which our sensory systems convert stimulus energies into neural messages is called

Absolute threshold
Difference threshold

The amplitude of electromagnetic waves determines the:


The amount of light entering the eye is regulated by the


refers to the process by which the lens changes shape in order to focus images on the retina


The adjustable opening in the center of the eye is the:


Dilation and constriction of the pupil are controlled by the:


The light-sensitive inner surface of the eye, containing the rods and cones, is the:


As people grow older, they are most likely to need glass because the ______ loses its ability to change shape readily

parallel processing

The ability to simultaneously process the pitch, loudness, melody, and meaning of a song best illustrates:

Young-Helmholtz theory

Evidence that some cones are especially sensitive to red light, others to green light, and still others to blue light is most directly supportive of the


Brightness is to light as ___________ is to sound.

middle ear

Sound wave vibrations are transmitted by three tiny bones located in the:


The coiled, fluid-filled tube in which sound waves trigger nerve impulses is called the:


Cocking your head would be most useful for detecting the ____________ of a sound.

middle ear

Sound wave vibrations are transmitted by three tiny bones located in the:


The coiled, fluid-filled tube in which sound waves trigger nerve impulses is called the:


Which of the following senses is best described as a chemical sense?

sensory interaction

A drink's strawberry odor enhances our perception of its sweetness. This best illustrates:

sensory compensation

Blind musicians are more likely than sighted ones to develop perfect pitch. This best illustrates:

color constancy

Even when seen through sunglasses, grass appears equally as green as it does without glasses. This best illustrates:


The absolute threshold for any stimulus _________ somewhat


What enables color vision, are highly concentrated in the foveal region of the retina, and have a higher absolute threshold for brightness than rods?


The receptor of the eye that functions best in dim light is the:

The Young-Helmholtz theory

proposes that there are 3 different types of color sensitive cones


Of the 4 distinct skin senses, the only one that has definable receptors is:

large; close

According to the gate-control theory, a way to alleviate chronic pain would be to stimulate the ____ nerve fibers that _____ the spinal gate.


What had no special receptors, no single stimulus, and is influenced by both physical and psychological phenomena?

Sweet, salty, unami

What are three basic tastes?

Signal detection theory

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

Sensory adaptation

If you move your watchband up your wrist an inch or so, you will feel it for only a few moments. This best illustrates:

Cornea, pupil, lens, retina

Which of the following is the correct order of the structures through which light passes after entering the eye?


A condition in which the image falls in front of the retina is:

Phantom limb

The ____________ sensation indicated that the central nervous system plays only a minor role in the experience of pain

physiology, experiences and attention, and culture

Our experience of pain when we are injured depends on:

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