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Sensory receptors transduce _______________ and transmit signals to the _____________.
stimulus energy, CNS.
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Sensations
Action potentials that reach the brain via sensory neurons.
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Perception
The awareness and interpretation of the sensation. ie: colors, smells, sounds, and tastes.
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What does sensory reception begin with?
The detection of stimulus energy by sensory receptors.
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Exteroreceptors
Detect stimuli originating outside of the body.
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Interoreceptors
Detect stimuli originating inside the body.
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Sensory Transduction
The conversion of stimulus energy into a change in membrane potential.
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Receptor Potential
A sensory receptor's version of a graded potential.
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Amplification
The strengthening of stimulus energy so that it can be detected by the nervous system. It may occur separate from or with sensory transduction.
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Transmission
The conduction of sensory impulses to the CNS.
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The _________ of the stimulus and receptor potential affects the __________________ released by the sensory receptor.
strength, amount of neurotransmitter
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The ___________ of the receptor potential affects the ___________ of action potentials.
intensity, frequency.
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What are 5 types of sensory receptors?
Mechanoreceptors, pain receptors, thermoreceptors, chemoreceptors, and electromagnetic receptors.
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Sensory Adaption
A decrease in responsiveness to continued stimulation (continuous stimulation does NOT mean that there's a continuous transmission!)
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