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The process of detecting, converting,and transmitting raw sensory information from the external and internal environment of the brain is....


The minimum amount of a stimulus that an observer can reliably detect is..

Absolute Threshold

_____ pertains to stimuli presented below conscious awareness.


What theory suggests that pain sensations are processed and altered by mechanisms within the spinal cord?


The frequency of sound wave is sense as the ______ of sound.


What are the chemical senses?

Smell and Taste

What is the opponent-process theory?

theory of color vision states that there are three systems of color opposites (blue-yellow, red-green, and black-white)

What is the sense of taste?


Light travels through the cornea on the _____lens, and retina.


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