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8 Cards in this Set

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process where sensory receptors respond to environmental stimuli by changing ion conductance:
transduction, this process forms the first step in the encoding of info for transmission to CNS. Reflects the transformation of one form of energy into another and enables sensory receptors to serve as translators
six types of receptors
1) mechanoreceptors. 2) chemoreceptors. 3) thermoreceptors. 4)photoreceptors. 5) nociceptors. 6) Baroreceptors
receptors that respond to extremes of any form of energy, which may cause tissue damage
nociceptors - Pain!
in transduction where various energy forms are transformed into electrical energy in the form of action potentials, action potentials carry information in regards to (3):
kind of stimulus, location of stimulus in relation to body, intensity
the region of the neuron involved in energy transduction
namely the modified dendrites and cell bodies
region of neuron involved in initiation of action potentials
axon hillock
transduction area does not contain voltage-gated Na+ channels, instead it contains:
modality-gated channels that open or close based on a specific modality and produce local, graded receptor potentials
two ways nervous system is able to analyze info from action potentials:
frequency and recruitment