OFS-thermal tactile position senses and oral sterognosis Flashcards

1
Q

What are the 5 importance of sensory information

A

control of movement, maintaining arousal, safety, future reference, emotions

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2
Q

2 types of adaptation and examples of them

A

phasic: touch
tonic: pain

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3
Q

9 types of receptors

A

photo, chemo, mechano, noci, thermo, teleceptors, exteroceptors, interoceptors, proprioceptors

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4
Q

examples of exteroceptors and interoceptors in the oral vavity

A

ex:pdl, alveolar mucosa, gingiva, periodontium of the jaw bone
In: muscle spindles, TMJ receptors

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5
Q

Stages of sensory processing

A

Sensory input, Integration, perception, motor response

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6
Q

4 aspect of coding of sensory informaion

A

Modality, Location, Intensity, Duration

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7
Q

Describe the dorsal column-medial lemniscus pathway and what is coded for

A

First order neuron enters spinal chord and travels upwards ipsilaterally. 1st synapse with 2nd at the medulla and 2nd cross over and ascend to thalamus which synapse with third order. Dorsal column code for proprioception and mechanoreceptors

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8
Q

Describe the spinothalamic tract pathway and what it codes for

A

Enters the spinal chord and synapse with 2nd order neuron and 2nd crosses over and ascend to thalamus and sypnase with third order. Code for heat, pain, crude touch tickle and itch

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9
Q

T/F: Lower touch threshold has higher 2 point discrimination ability

A

T

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10
Q

What does TMJ capsule contains?

A

free nerve endings and complex endings resembling ruffini or GTO

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