alleryWhat is the minimum value of a stimulus needed to activate a given sensory system called?
AFringe of attention or attentional rim
BDifference threshold or sensory limen
CAbsolute threshold or absolute limen
DPerceptual span or fixation point
Answer & Solution
Correct answer: C. Absolute threshold or absolute limen
1. The chapter explains that a stimulus must carry a minimum value to be noticed at all.
2. It defines this minimum activating value as the absolute threshold.
3. An alternative term used in the same paragraph is absolute limen, abbreviated AL.
4. Hence the correct term is absolute threshold or absolute limen.
_Source: syllabus Psychology Ch 4 "Sensory, Attentional and Perceptual Processes", p. 62, Functional Limitations of Sense Organs_
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