Flashcards in Chapter 10 Deck (16):
what is the name of the sense neuron that has a receptive field?
Primary Sensory Neuron
What is the name of the CNS neuron that synapses with the primary sensory neuron?
Secondary Sensory Neuron
What does convergence allow in sensory neurons?
it allows multiple subthreshold stimuli to sum at the postsynaptic neuron
What are the four properties of a stimulus?
Modality, Location, Intensity, Duration
what type of stimulus
How is intensity coded?
number of receptors activated, frequency of aps coming from those receptors
Which receptor fire once when a stimulus is received, but not again until the stimulus ends
what in the inner ear contains the sensory receptors for hearing?
what do sound waves in the cochlea push on to bend hair cells?
flexible membranes of cochlear duct
Name the 3 canals, from top to bottom, of the cochlea
vestibular duct, cochlear duct, tympanic duct
which two ducts are continous with each other?
the vestibular and tympanic duct
the small opening that connects the vestibular and tympanic ducts
which duct has fluid with high concentrations of K+?
what is the organ of corti composed of?
hair cell receptors and support cells
define basilar membrane?
the membrane that the organ of corti sits on