The General Senses, Sensory Input, and Motor Output

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1. general senses are found all over the body

2. the special senses are found only in the head

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What is the difference between the general senses and the special senses?

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touch, pain, pressure, temperature....

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<p>What are examples of general senses?</p>

What are examples of general senses?

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27 Terms

1
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1. general senses are found all over the body

2. the special senses are found only in the head

What is the difference between the general senses and the special senses?

2
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touch, pain, pressure, temperature....

What are examples of general senses?

<p>What are examples of general senses?</p>
3
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smell, taste, hearing, vision & balance/equilibrium

What are examples of the special senses?

<p>What are examples of the special senses?</p>
4
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A cell or sensory neuron that detects a stimulus

In terms of the senses, what is a receptor?

<p>In terms of the senses, what is a receptor?</p>
5
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a sensory neuron

In the general senses, what often functions as the sensory receptor?

<p>In the general senses, what often functions as the sensory receptor?</p>
6
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an internal receptor

What is an interoceptor?

<p>What is an interoceptor?</p>
7
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an external receptor

What is an exteroceptor?

8
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a receptor attached to joints, tendons, and muscles

What is a proprioceptor?

<p>What is a proprioceptor?</p>
9
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a receptor sensitive to chemicals

What is a chemoreceptor?

<p>What is a chemoreceptor?</p>
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a pain receptor; nociceptors are chemoreceptors

What is a nociceptor?

<p>What is a nociceptor?</p>
11
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a receptor sensitive to light

What is a photoreceptor?

<p>What is a photoreceptor?</p>
12
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a receptor sensitive to mechanical deformation

What is a mechanoreceptor?

<p>What is a mechanoreceptor?</p>
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a receptor sensitive to temperature

What is a thermoreceptor?

<p>What is a thermoreceptor?</p>
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somatosensory system

Your general senses is also known as the

<p>Your general senses is also known as the</p>
15
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the post central gyrus

Where are the somatosensations perceived?

<p>Where are the somatosensations perceived?</p>
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conscious awareness of a sensation

What is meant by perception?

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3: Merkel's discs, Meissner's corpuscles, root hair plexuses

How many different sensory receptors for touch?

<p>How many different sensory receptors for touch?</p>
18
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free nerve endings

What type of receptors detect pain, cold, heat?

<p>What type of receptors detect pain, cold, heat?</p>
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3: first order, second order, and third order

How many sensory neurons are needed to consciously perceive a sensation?

<p>How many sensory neurons are needed to consciously perceive a sensation?</p>
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in the CNS: either the spinal cord or brain stem

Where does a first order sensory neuron terminate?

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the thalamus

Where do second order neurons terminate?

<p>Where do second order neurons terminate?</p>
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post-central gyrus

Where do 3rd order neurons terminate?

<p>Where do 3rd order neurons terminate?</p>
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pre-central gyrus

Where do the somatic motor neurons originate?

<p>Where do the somatic motor neurons originate?</p>
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upper motor neuron

What is the name of a motor neuron that originates on the pre-central gyrus?

<p>What is the name of a motor neuron that originates on the pre-central gyrus?</p>
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lower motor neuron

What is the name of the motor neuron that makes contact with effectors?

<p>What is the name of the motor neuron that makes contact with effectors?</p>
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skeletal muscle

What type of effector makes contact with a lower motor neuron in the somatic nervous system?

<p>What type of effector makes contact with a lower motor neuron in the somatic nervous system?</p>
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Acetylcholine

What type of neurotransmitter is released by LMN in the somatic nervous system?