4 votes

Can low temperatures induce a withdrawal reflex?

The withdrawal reflex is a nociceptive flexor reflex and is a spinal reflex intended to protect the body from damaging stimuli. In other words, activation of heat receptors is not the trigger of the ...
AliceD's user avatar
  • 52.4k
2 votes
Accepted

Why do some reflex actions involve interneurons, but some don't?

The "knee jerk" reflex is a stretch reflex, as @John's answer indicates. It is unfortunately named the "knee jerk" for the response observed in the corner case where rapid, short extension of the leg ...
De Novo's user avatar
  • 8,791
2 votes

Why do some reflex actions involve interneurons, but some don't?

I did not realize it but the knee jerk reflex is a stretch reflex and thus only involves two neurons (monosynaptic). Many many more reflexes use 3 or more neurons (polysynaptic) so include ...
John's user avatar
  • 14.7k
2 votes
Accepted

Renorenal Reflex

How is renorenal reflex a negative feedback loop? You are confusing two different negative feedback loops. 1) There is a negative feedback loop in which efferent renal sympathetic nerve activity ...
Anubhav Goel's user avatar
2 votes
Accepted

Are there neuron mediated reactions faster than reflexes?

A reflex as fast as the blink in a neural circuit: I would consider suppression of outer hair cells in the cochlea to be a reflex; the faster component of this reflex is about the same as the blink ...
Bryan Krause's user avatar
  • 45.6k
2 votes
Accepted

How fast is the patellar reflex?

Mamizuka et al. (2007) calculated acceleration data of the patellar reflex. Their study measured the reflex generated in response to the tapping force applied to the patellar tendon with a ...
theforestecologist's user avatar
2 votes
Accepted

Which part of the reflex arc takes the longest time?

I am providing this answer considering myotatic reflex arc (as you have specified in the question). There are so many factors on which it depends...I have listed as many as I could - Here the sensory ...
Arnb's user avatar
  • 511
2 votes

Why does looking at bright light trigger sneezing in some people?

In high school biology, we had to read a book called "Survival of the Sickest". In this book, the idea is presented that this reflex evolved during humankind's "caveman" days. The author presented the ...
Omniscribble's user avatar
2 votes

What is the duration between: the moment we stop breathing and to body's and involuntary mucle movement?

Your respiratory system has quite a number of neural and non-neural (e.g., physical, emotional, and chemical factors) controls in addition to the ability to be voluntary controlled. A strong ...
theforestecologist's user avatar
1 vote

What is the mechanism behind the F-Wave?

This is a great question, and I've had trouble finding any authoritative study; since F-waves are mostly used as a diagnostic tool it doesn't seem like they've been studied much at the mechanistic ...
Bryan Krause's user avatar
  • 45.6k

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