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Psychophysics
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Threshold Determination Methods
The primary goal in many classical psychophysical experiments is to determine the absolute threshold (the minimum stimulus intensity detectable) and the difference threshold.
Method of Limits: Stimuli are presented in ascending or descending series. In an ascending series, the stimulus intensity is gradually increased until the observer can just perceive it (the upper threshold). In a descending series, the intensity is gradually decreased until the observer can… -
Tongue Dorsum
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The posterior region, often termed the posterior one-third or lingual base, is characterized by a dense aggregation of lymphatic tissue known as the lingual tonsil. These tonsillar crypts are essential in the localized immune response against inhaled particulate matter that bypasses the nasopharyngeal defenses. Functionally, the [tonsils](/entries/tons…