Examlex
Which of the following values represents a normal serum potassium level?
Detectable Difference
The minimum change in a stimulus that can be correctly identified as different from a reference stimulus a certain proportion of the time.
Ernst Weber
A pioneering psychologist best known for his work in the sensory perception field, including Weber's Law regarding the just-noticeable difference in stimuli.
Sensation
The process through which the senses pick up visual, auditory, and other sensory stimuli and transmit them to the brain.
Perception
The method through which people arrange and understand their sensory perceptions to assign significance to the world around them.
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