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our sensory receptors play a key role in detecting ___ in the external world
incoming stimulus information
the process of _____ is responsible for the conversion of physical energy to neural impulses
the ___ refers to the smallest amount of physical energy needed to produce a sensory experience.
the absolute threshold for vision is defined as the ability to detect ___ located ___ on a clear night.
a candle flame, 30 miles away
a ___ refers to the smallest change in physical energy between two stimuli that is recognized as different.
webers law states that the higher the intensity of the stimulus, the ___ it will have to be ___ to result in a noticeable difference in sensory experience.
___ refers to the loss of responsiveness in receptor cells due to constant stimulation
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