For questions about the interaction of the brain/mind with function and structure of the rest of the body. If your question is specifically about the physiology of the central (or peripheral) nervous system then use the tag neurobiology.
7
votes
1answer
180 views
What is the effect of imagining doing an exercise on muscle growth?
I recently read a study by Yue, G et al. (1992) which I found incredibly interesting. I have no background in physiology and I was hoping that someone who does can clear things up.
If I understood it ...
11
votes
1answer
171 views
Does anxiety produce adrenaline or does adrenaline make the person anxious?
Its obvious that both are related(adrenaline and anxiety) but which causes which?
What (I think) I know:
Anxiety accelerates the hearth rhythm due to the feeling of fear. It makes the body believe ...
3
votes
0answers
27 views
What regulates the strength of motoric signals?
I've seen cognitive/roboter models where the input signals from the sensors are directly used as the signal for outgoing motoric control.
This doesn't make much sense, because obviously we're able ...
8
votes
1answer
106 views
How are people able to wake themselves up after a pre-specified amount of time?
Auto-suggestion seems to work. Several people I know seem to be able to tell themselves "I'll wake up after 'N' hours/minutes", and do so within a minute or two of that duration.
I thought for a ...
9
votes
0answers
50 views
How similar are human brains within the same haplogroup?
I've grown up and went through school with a "politically correct" view on people that we are all "the same". The TED talk that I've listed below hints that this view might've arisen in the post-WW2 ...
5
votes
0answers
113 views
How does fever affect time perception?
Many of my friends and I have noticed that at certain stages of fever, time is often perceived as being longer than usual. I'd like to know if this is caused by the disease itself, an immune reaction, ...
4
votes
1answer
222 views
How does body temperature affect perception of time?
Does raising or lowering one's body temperature lead to different perceptions of time? And does this then control the virtual length of positive or negative emotions?
For example, individuals might ...
5
votes
2answers
218 views
Can scary movies trigger fight or flight and why can a person enjoy this while another does not?
Essentially, I understand the release of adrenaline can be addictive and that scary movies and events are a safe way of experiencing the drama without all the actual mess. but
However, if we are ...
-3
votes
1answer
107 views
Why do some individuals enjoy watching horror movies? [closed]
What is a scientific explanation for why some people enjoy watching horror movies?
3
votes
1answer
127 views
What is the mechanism explaining the effect of a positive attitude on immune system functioning?
It seems likely that a positive attitude can speed up the healing process. but I can't decide by what mechanism it would operate by.
Questions
Does having a positive attitude improve immune system ...
5
votes
2answers
328 views
Is there a correlation between facial features and personality?
Background: From block buster movies, to Snow White and the Seven Dwarf's, characters with certain personality and mental traits are portrayed looking a certain way. For example, the clumsy one has ...
9
votes
1answer
220 views
How does body temperature and oxygenation affect thinking ability?
I'm interested if the brain works better when the temperature is higher than usual and the amount of oxygen in the air is a bit lower than in fresh mountain air. This has been my personal experience.
...
4
votes
1answer
304 views
What causes gender differences in responses to farting?
Background: By casual observation, I have noticed that males tend to react differently to the sound of a fart. It seems that men are more likely to laugh whereas women are more likely to show signs of ...
4
votes
1answer
308 views
Why does a stuffed up nose clear up momentarily when the person having it is startled or has an orgasm?
I have experienced this phenomena many, many times and I'm sure it's not only me. I guess the sudden rise in arousal opens up the nostrils in a kind of fight or flight response, but I'm interested in ...
3
votes
2answers
76 views
Does pain reduce cognitive abilities?
Does subjecting a person to pain reduce his cognitive abilities?
If so, what is the process that reduces the ability? (By process, I mean the changes happening in the nervous system as a result of ...
5
votes
1answer
62 views
Is there any evidence to support a correlation between how much bodily energy you are using, and how quickly time appears to pass?
It seems to me that time passes more slowly when I am drinking coffee, but when I stop, or I am tired it seems that time passes a lot faster.
Could this have something to do with the sampling rate at ...
