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Questions tagged [physiology]

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.

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10 views

Do psychopaths sweat less just under the threat of punishment?

Some experimental data shows that psychopaths don't develop the skin conductance (due to sweat) that other people get under threat of punishment Psychopaths, who are part of a wider group of ...
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0answers
17 views

EDA explorer - artifact detection vs artifact correction

my question is related to this post -> Open-source software for analyzing Electrodermal activity The eda explorer, especially the online version, is quite nice and handy. However, it does not provide ...
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1answer
22 views

Percent change of a biophysical signal

To calculate percent change the formula is: $\frac{Amount \, ofchanges} {Original \, amount}100=\frac{New−Old}{Old}100$ because we want to see how it changes compared to where it was before, now if ...
3
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1answer
79 views

Can signals from the prefrontal cortex alone trigger a readiness potential in the pre-supplementary motor area?

Background In Haggard, Patrick. "Human volition: towards a neuroscience of will." Nature Reviews Neuroscience 9.12 (2008): 934., the author states in the caption of Figure 1 (pg. 4): The ...
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0answers
24 views

Does anyone have R code for analyzing skin conductance data?

Similar question here Open-source software for analyzing Electrodermal activity But with no R code answers provided, and the online EDA explorer appears to be unavailable now. I am looking for code ...
3
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1answer
653 views

What's the difference between the neuroendocrine system vs endocrine system?

No one in the Biology site seems to be answering this, so I thought I'd post it here as a last resort. I would really appreciate if you guys can take a look at it. This is what I have understood so ...
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1answer
30 views

Would non-neural physiological insights be considered to be in the field of neuroscience?

For example, would e.g. SCR (skin conductance response) or hormone level be considered to be "neuroscientific measures" according to general definition of neuroscience?
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1answer
90 views

Are reaction time and memory physiological measure or behavioral observation?

I think that the choice made by a subject in a choice task should be behavioral observation. But I am not sure about reaction time and memory, which is more about ability instead of intention.
2
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1answer
183 views

How is the term “physiological measurement” defined?

Does the measurement have to be subconscious? Can measurement such as eye-tracking be counted as physiological measurement? (I thought it is because of its relatively subconscious nature until I saw ...
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1answer
28 views

Does anybody know a source having multi-electrode (several channels) recorded data of multiple Neurons (I prefer real data not artificial)?

I mean recorded data of multiple Neurons with multi-electrode. I need this data as the input for my experiment.
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2answers
93 views

Can you get sad by sniffing onions, just like you can get happy by forcing yourself to smile?

I've read about a study where they found that people who were forced to keep a smile-like face were reportedly happier than those who were forced to stay in a frown-like a face. Similarly, could ...
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2answers
4k views

Is Maslow's hierarchy of needs really accurate at labeling sex as a physiological “need”?

Is Maslow's hierarchy of needs really accurate at labeling sex as a physiological "need"? If so, would that mean that single/celibate people cannot live self-actualized lives unless they have some ...
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30 views

Is there any negative social or psychological implication of the current “slime” preoccupation of teenagers (mostly girls)? [closed]

This may not be the right place for this question. If you think it belongs on another forum, please point me there. My daughter has been into the “slime” craze for the past two years or so (she is ...
3
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1answer
252 views

How does emotional stress cause skeletal muscle rigidity?

It is believed that when we are under stress our skeletal muscles tense up. However I am unable to explain why.Emotional stress is controlled by the sympathetic nervous system which has effects only ...
4
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1answer
344 views

Why pale when we fear and red when we are angry

I find it hard to explain why we turn pale when we fear but red when we are angry. In both emotions adrenaline is released which if I am not mistaken cause vasoconstriction in vessels going to the ...
6
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1answer
148 views

Is a more specific breathing technique better than just slow, deep breathing for calming oneself?

We're told by a Big Think Mind Hack video (carried by some tabloids) that 1:2 inhale:exhale breathing technique is better than just slow, deep breathing for calming yourself. Is there systematic ...
2
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1answer
208 views

What causes muscle stiffness contraction and tension during stress

What causes muscle contraction in times of stress? People say it's caused because of fight or flight response is activated, but this not exact. I am looking to find the direct cause, i.e is it a ...
3
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1answer
162 views

Physiologically speaking is anxiety and adrenaline the same?

I am wondering from a physiological perspective what is anxiety. From my experience anxiety feels like muscle tension and lots of suppressed energy. For what I know the only thing that can make the ...
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0answers
116 views

Why does tactile stimulation such as massage sometimes trigger repressed memories or emotions?

I have anecdotal evidence from multiple massage therapists claiming that they have triggered some form of mental / emotional response in a patient, due to physical stimulation (one case citing a ...
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0answers
2k views

Can subliminal affirmations really use the subconscious mind to naturally reshape your nose? [closed]

My reflexive response to this is no, however, I have noticed two different phenomenon which begs to re-assess. (Please see and read video description and some comments: https://www.youtube.com/watch?...
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1answer
146 views

Why does the tempo tend to get faster?

Suppose you're learning to sing or play an instrument, and you'd start playing some piece of music. If you are not experienced enough, the tempo would be unstable, usually getting faster until the end....
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0answers
23 views

Is there any research which compares the bond between biological siblings vs. non-biological siblings or half-siblings? [closed]

A research like: “of 100 families that we studied we found: biological siblings had stronger/weaker bond vs. half-siblings vs non-biological and 40 years later their relationship was found stronger/...
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1answer
441 views

Which personality traits are proved to correlate with any facial features?

I pretty certain I have read somewhere about certain personality traits that correlate with certain facial features, but I can't remember just what or where I read. I think the personality traits may ...
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0answers
642 views

What happens in the brain during mid-life crisis?

I was just told by an elder that midlife crisis occurs during an adult stage and it is a time whereby an adult starts having several thoughts concerning his/her life. After my research, I found out ...
3
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0answers
64 views

Is there a relationship between the amount of time spent awake/asleep, and interstitial waste removal in the brain?

With regard to the glymphatic system, is here a relationship between: The amount of time spent awake and the amount of interstitial waste accumulated in the brain? The amount of time spent asleep and ...
3
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0answers
31 views

Psychophysiological indicators of relationship/collaboration/alignment

I'm working on a question about whether psychophysiological data--EDA, EEG, pupillometry, HRV/IBI, etc--can indicate within-group (non-romantic!) relationships or collaboration. My own background is ...
3
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0answers
60 views

Do we know what is happening inside the brain when a person is hit in the head?

For the purposes of this question, I will use the example of a legally sanctioned athletic contest (i.e., a boxing match), rather than criminal activity or accidents, but the question certainly ...
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0answers
32 views

Is there a disorder that causes one to feel heat from an inanimate object? [closed]

We just met a woman that feels heat (literally, hot enough for her to say she was burned) from inanimate objects. She says it is mainly the floors and chairs in her home, and she is unable to walk in ...
2
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0answers
159 views

Why can some people not cry on demand? [closed]

Why is it, when we need to cry, it sometimes doesn't work? Is there any psychology explanation for this?
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0answers
91 views

Physiological mapping of frustration

What physiological changes are seen in the brain when a person is experiencing frustration? What effects do these changes have on learning? Optional background: I'm trying to figure out an ...
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2answers
316 views

Does the heart play a role in the occurrence of emotions?

It is a common belief that the heart is somehow related to emotions. When we are nervous,our heartbeat is effected (increased heart rate) and when we are happy, another pattern in heart function can ...
3
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0answers
146 views

What happens inside our body, when we experience betrayal and infidelity?

I guess many of us have experienced it. The moment that you understand that "the person you love, in whom you've trusted, is now with someone else, enjoying every moment with him/her". It's so ...
8
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1answer
583 views

Why is it easier to fall asleep in the dark?

I'm curious if there is any neurological mechanism that explains why falling asleep is easier in the dark. I recognize that this isn't true universally -- a phobia of darkness might make it easier to ...
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3answers
2k views

What keeps the cerebrospinal fluid circulating? Is it pumped by something?

What keeps the cerebrospinal fluid circulating? Is it pumped by something? This picture from wikipedia seems to indicate that it pulsates as though it is pumped:
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1answer
936 views

Can anxiety cause a heart attack, black-out or insanity?

David Burns in his self-help book about overcoming depression, anxiety and interpersonal problems called The Feeling Good Handbook¹ states: ...neurotic anxiety results from distorted thoughts that ...
9
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2answers
447 views

Does taking a deep breath reduce the experience of stress and negative emotions?

Sometimes when I have negative feelings, it seems that a deep breath resets these feelings. Does that really happen? Is there any research on the effect of taking a deep breath on reducing the ...
13
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1answer
4k views

Are there recent theories on physiognomy?

What are recent theories on the relation between personality and facial or body shape, and are there studies to support them? See Wikipedia on physiognomy and somatotypes & constitutional ...
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2answers
848 views

The effect of proper food intake on emotions and brain function

Recently I wasn't eating at the proper time and I often skipped meals. I was angry, stressed before taking my meal, and suddenly, I felt good after having my dinner. I have felt the same way many ...
5
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0answers
671 views

Is there a psychological basis for getting hiccups?

Is getting the hiccups sometimes related to our mental condition, i.e., stress level, etc?
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0answers
22 views

Is it possible to gain strength by imagining working out? [duplicate]

Is it possible to still gain muscle strength by performing exercises but without load? Is there some kind of memory mechanism that would allow this?
3
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0answers
81 views

Muscle tone and default heart rate - psychological conclusions?

I know that muscle tension and heart rate goes up as we get stressed, but what if in normal conditions some have a lower heart rate and muscle tension while others higher? Does this say something ...
4
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1answer
445 views

Can short-term hunger influence anger?

We know that hunger, whether short-lived or prolonged, causes physiological changes in our bodies. These may have psychological effects too as brain functions are slowed down and can have an impact on ...
5
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1answer
1k views

Does looking into a mirror relieve eye strain in a similar way to looking at distant objects?

Sometimes when having an eye exam the eye chart is viewed through a mirror to increase the distance between the person and the chart. When using consoles, it is recommended to look away from the ...
18
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3answers
628 views

Why does being in a natural environment induce some kind of “peace” state while mecha/tech ones induce the opposite?

Usually, natural environments (being out in "nature") tend to induce a happy and peaceful state, while mechanical and technological ones tend to induce stress and sadness. Why does this happen? Are ...
18
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5answers
205k views

Why do people laugh in serious situations?

I've seen people (including myself) that laugh for no apparent reason in really serious situations, such as in an argument or when receiving bad news. Although the other party is clearly very upset, ...
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2answers
1k views

Skin conductance responses to emotional stimuli

The skin conductance response (SCR) is said that cannot be reduced to one specific stimulus (Boucsein, 2012). Does this mean that if the participant is presented with stimuli of different emotional ...
8
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1answer
365 views

How effective are multiphasic sleep schedules?

Does multiphasic sleep work well enough that it can be used as a replacement for monophasic sleep? Has there been any research done on people that have used bi/polyphasic sleep for extended periods ...
6
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2answers
1k views

Heart rate monitor for scientific study

I want to measure heart rate as part of a controlled experiment I am setting up. I've been trying to find information on which heart rate monitor to buy, but it's unclear to me which heart rate ...
6
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1answer
1k views

What is the difference between drug withdrawal and sleep deprivation effects?

Personal sleep-deprivation study: Recently, I posed a question that I'm sure many people find tough already: "Do I really need to sleep?", and so I tested myself, I spent two days without sleeping. ...
12
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1answer
179 views

Have there been any studies which report a positive correlation between eating certain foods and reported sleep disturbances?

This Skeptics question touched on the subject, but I'm more focused on studies that have been conducted under highly controlled circumstances, like a university sleep lab. We've all heard these old ...