sensation and weber’s law
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psychology i: foundations
summary
this content delves into the intricacies of sensation and perception, highlighting the differences between these two processes, and explores the principles of sensory adaptation, sensitization, and the weber-fechner laws as they relate to sensory processing.
- sensation is the stimulation of sensory receptors resulting in neural impulses, while perception involves the brain's interpretation of these sensory inputs.
- sensory adaptation (or habituation) refers to the diminishing perception of a stimulus over time, whereas sensitization is the increased sensitivity to a stimulus, often due to trauma or strong emotional experiences.
- the absolute detection threshold is the minimum intensity at which a stimulus is detectable by an individual, varying across different senses.
- weber's law describes a ratio relationship between the initial intensity of a stimulus and the threshold at which a change in intensity is perceivable, known as the just noticeable difference.
- the principles of sensory processing and the just noticeable difference have significant applications in fields such as marketing and consumer behavior.
chapters
00:19
sensation vs. perception
00:59
sensory adaptation and sensitization
05:07
weber's law and just noticeable difference
10:00
applications of sensory processing theories