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31 Cards in this Set
- Front
- Back
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The process of converting a sensory stimulus into action potentials (by producing a GENERATOR potential)
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Neurons with a (smaller/larger) RECEPTIVE FIELD provide a more accurate representation of the world?
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Stretching of the axon associated with this sensory receptor causes sodium to enter, giving rise to a generator potential.
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Sensory information enters the spinal cord at the _____ horn, whereas motor information exits the spinal cord at the _____ horn.
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This property of receptors ensures that attention is only paid to things that change or have high survival value.
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This type of nociceptor responds to high temperatures.
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This brain region is involved in modulating pain perception; this is a top down process.
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This brain region forms the gateway for sensory information; all sensory pathways (except one) travel through it.
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As somatosensory information travels from primary to non-primary brain regions, there is a trade-off between ____ and _____ of the stimulus representation.
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This phenomenon allows for neurons to encode a wider range of stimuli than their individual firing rates can.
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The golgi tendon organ responds to muscle contraction by detecting stretch in the ____.
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This mechanism of proprioception detects stretch in the intrafusal muscle fibers.
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This premotor region is involved in self-generated actions.
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True or False: Slow muscle fibers react quickly but fatigue slowly?
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(Lower/Higher) innervation ratio corresponds with finer motor control.
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Sound amplification takes place in these two parts of the ear.
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This membrane responds to different sound frequencies by displacement in different locations.
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Influx of this ion results from stretching of the tip links that interconnect stereocilia.
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Hair cells have motor nerve fibers for these two reasons.
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This system is involved in balance and maintaining body positions.
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____ detect low levels of light and movement; ____ enable color vision and seeing detail.
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Phototransduction involves ____ of photoreceptors due to sodium channels closing in response to light.
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OFF-center bipolar cells depolarize when there is (More/Less) light causing (More/Less) glutamate release from the photoreceptor.
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This process enables contrast enhancement through the graded inhibitory response of horizontal cells.
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Optic ataxia results from a damaged ____ cortex and impairs (action/perception); Agnosia results from a damaged ____ cortex and impairs (action/perception).
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This brain region is involved in identifying objects.
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Motion sickness is the consequence of an inability to integrate ____ and ____ information, which mimics poisoning.
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This type of deafness cannot be treated with a cochlear implant.
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This brain region is thought to be involved in face processing.
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This part of the retina has greatest visual acuity because of more cones, smaller receptor fields, less convergence, and less overlying neural tissue.
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These 4 methods are used to treat Parkinson’s disease.
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