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Pavel [41]
1 year ago
9

On the day Harvey is to present his dissertation, he wakes up with a severe headache. During the presentation, he feels no pain

in his head. Fifteen minutes after the presentation is over, Harvey becomes aware of his headache again. Harvey's experience is best explained by
Physics
1 answer:
luda_lava [24]1 year ago
8 0

Gate-control theory

<h3>What is Gate-control theory?</h3>

According to the Gate Control Theory of Pain, the spinal cord has a system that allows pain signals to be amplified in the brain before being processed at the spinal cord itself, or attenuated there. 

The mechanism that allows or prevents the passage of pain signals is known as the gate. The gate may be open or it may be closed, one of two possibilities: 

  • When the gate is open, pain signals can enter and are delivered to the brain, where they are perceived as pain.
  • If the gate is closed, pain signals will be prevented from ascending to the brain and won't be felt.

The administration of a non-noxious (soothing or light rubbing) stimulus can help engage the gate control mechanism and alleviate pain in those who are exposed to painful (noxious) stimuli.

Learn more about gate-control theory here:

brainly.com/question/15561467

#SPJ4

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Answer:

c) 2.02 x 10^16 nuclei

Explanation:

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[A] = Our incognite

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k = ln 2 / Half-life

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[A]₀ = 3.21 x 10^17 nuclei

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Which item(s) would be sufficient to make a circuit?
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Explanation :

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When the switch is off the circuit is closed circuit and when the switch is not connected the circuit is open.

The items that are sufficient to make a circuit are as follows :

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As such, since the sphere has a smaller surface area relative to the cylinder, the sphere transfers heat slower than the cylinder.

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PS; the more the Area, the higher the rate of heat transfer and vice versa.

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