Examlex
This type of brain wave occurs at regular intervals when a person is awake but not when a person is sleeping.
Difference Threshold
The minimum difference in stimulation that a person can detect 50% of the time.
Just Noticeable Difference (Jnd)
The least alteration in a stimulus that is just noticeable by an organism.
Absolute Threshold
The minimum stimulus intensity required for detection by a sense organ, signifying the point at which a stimulus becomes perceptible to the senses.
Noticeable Threshold
A threshold is the level at which a stimulus becomes sufficiently strong to produce a discernible effect or reaction.
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