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, Sensation
The detection of physical stimuli and the transmission of this information to
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the brain am
Perception
the processing, organization, and interpretation of sensory signals in the
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brain
Bottom-up processing am
Perception based on the physical features of the stimulus am am am am am am am am
Top-down processing am
The interpretation of sensory information based on knowledge, expectations,
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and past experiences am am
Transduction
The process by which sensory stimuli are converted to neural signals the
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brain can interpret am am
Sensory Receptors
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These cells receive stimulation (hearing, touch, taste, smell) and pass the info
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in form of impulses to the thalamus (with the exception of smell- smell
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bypasses the thalamus and goes to the cortex) am am am am am am am
Qualitative
Most basic qualities of a stimulus
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Quantitative
The degree or magnitude of qualitative information
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Vision Stimulation
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Light waves stimulate the light sensitive rods and cones in the eyes retina and
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sends information to the thalamus through the optic nerve
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Hearing Stimulation
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Noise (sound waves) stimulate pressure sensitive hair cells in the cochlea of
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the inner ear and that information is sent through the auditory nerve to the
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thalamus
Taste Stimulation
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Food/drink dissolve onto cells in taste buds on the tongue and the
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information is sent through portions of facial, glossopharyngeal and vagus
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nerves.
, Sensation
The detection of physical stimuli and the transmission of this information to
am am am am am am am am am am am am
the brain am
Perception
the processing, organization, and interpretation of sensory signals in the
am am am am am am am am am am
brain
Bottom-up processing am
Perception based on the physical features of the stimulus am am am am am am am am
Top-down processing am
The interpretation of sensory information based on knowledge, expectations,
am am am am am am am am am
and past experiences am am
Transduction
The process by which sensory stimuli are converted to neural signals the
am am am am am am am am am am am am
brain can interpret am am
Sensory Receptors
am
These cells receive stimulation (hearing, touch, taste, smell) and pass the info
am am am am am am am am am am am am
in form of impulses to the thalamus (with the exception of smell- smell
am am am am am am am am am am am am am
bypasses the thalamus and goes to the cortex) am am am am am am am
Qualitative
Most basic qualities of a stimulus
am am am am am
Quantitative
The degree or magnitude of qualitative information
am am am am am am
Vision Stimulation
am
Light waves stimulate the light sensitive rods and cones in the eyes retina and
am am am am am am am am am am am am am am
sends information to the thalamus through the optic nerve
am am am am am am am am
Hearing Stimulation
am
Noise (sound waves) stimulate pressure sensitive hair cells in the cochlea of
am am am am am am am am am am am am
the inner ear and that information is sent through the auditory nerve to the
am am am am am am am am am am am am am am
thalamus
Taste Stimulation
am
Food/drink dissolve onto cells in taste buds on the tongue and the
am am am am am am am am am am am am
information is sent through portions of facial, glossopharyngeal and vagus
am am am am am am am am am am
nerves.
