10
votes
Accepted
What is the smallest touch sensation that a human can feel?
Short answer
The detection threshold of static indentation stimuli on the palm of the hand is approximately 10 to 40 micrometers, dependent on the exact location under investigation.
Background
The ...
- 52.3k
8
votes
Accepted
Would the human body react faster to touch or sight
A "touch" or "haptic" sensation will be much faster due to several reasons:
Haptic feedback can be processed without the presence of any higher-order cognitive processing, therefore meaning that the ...
- 2,603
3
votes
Accepted
What does C. Elegans sense when touched?
In short, you are correct. You touch the skin, and that compresses mechanoreceptors, which then generate a cascading neuronal response.
As far as the actual neurons, it really depends on the type of ...
- 464
3
votes
Accepted
Why do we only initially feel the bending of a hair?
Short answer
Touch receptors become unresponsive after continuous stimulation, a process called neural adaptation.
Background
There are various touch receptors in the skin (Fig. 1). One of them is ...
- 52.3k
3
votes
Accepted
What stimulates a nociceptor?
All of these are affected by specific characteristics of the nociceptors.
Nociceptors are only sensitive to high pressure. The low pressure stimulus would only stimulate mechanoresceptors which ...
- 4,669
1
vote
How do afferent mechanoreceptors work on the finger pads?
Short answer
Tactile grating stimuli with a higher line density (number of lines per surface area) and applied with an equal force result in a lower amount of pressure per unit of skin area under the ...
- 52.3k
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