Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [arousal]

For questions on waking from sleep or a heightened level of autonomic activity.

1
vote
0answers
5 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 ...
0
votes
0answers
12 views

Examples for valence, arousal and dominance (Self Assessment Manikin)

I'm using the Self-Assessment Manikin to measure valence, arousal and dominance of participants. I would like to give some examples at the beginning of the study to participants so that they get a ...
5
votes
1answer
399 views

Difference between valence and sentiment

Can someone please clarify for me the difference between valence and sentiment? I am from a computer science background. In our literature they seem to be used in the same sense. Currently I am ...
8
votes
1answer
3k views

Definition of valence, arousal and dominance

According to Russel's core affect framework an affective state can be decomposed into valence, arousal and dominance. How would you define these three terms (e.g. when looking at pictures)? I would ...
3
votes
0answers
72 views

Interaction between caffeine intake and biorhythm on alertness

Throughout the day, people's wakefulness and attentiveness varies, as modulated by one's circadian biorhythm. Whereas in the morning people are less awake, just before noon and around 15:00 people ...
1
vote
0answers
25 views

Why is sunrise therapeutic? [closed]

Despite being a night owl, I find when I'm up and about at sunrise1 I feel mentally much better than any other time of day - regardless of how much sleep I've had or whether I've been awake for many ...
2
votes
1answer
135 views

Is it good practice to try to recall things when we are tired?

Background. It happens often that, at the end of the day when I return to home, I try to recall past events that took place that day or the day before (memory rehearsal), but surprisingly I find that ...
8
votes
1answer
115 views

Is there a metric of the overall excitation of the brain or nervous system?

I'm thinking of a way to describe what's happening to a single channel EEG/MEG sensor output. I've noticed that there is significant difference in the readings from a quiet observations, versus a ...
6
votes
2answers
3k views

Cheapest way to measure arousal levels

I'm interested in performing a psychological experiment from my own home (the research is controversial; not that it's unethical, but rather I won't be able to aquire funding for it) and in it I would ...
8
votes
1answer
627 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, ...
7
votes
1answer
2k 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 ...
4
votes
0answers
654 views

Is human Central Nervous System arousal related to choice of activity? [closed]

I'm interested in learning more about the central nervous system (CNS) arousal and the choice of what people do and how they feel about it. Lets define CNS arousal in the context of this question as ...
14
votes
2answers
402 views

What factors improve mood and increase cognitive functioning when people wake up?

I'm a software engineer doing some research in order to figure out if developing some applications are worth the effort. This work is applied to computational devices including mobile devices and even ...
46
votes
1answer
4k views

Does caffeine improve performance for habituated consumers?

I've seen a fair few studies over the while that suggest caffeine increases arousal in the short term and that for some tasks, this will also increase performance (there's a few citations here). ...