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1500 questions
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2 answers
Does mindful meditation inhibit diffuse thinking (aka default mode network), creativity and make studying less effective?
Barbara Oakley's "Learning how to Learn" and "Mindshift" courses claim that having some break time in which diffuse mode thinking (afaik it's the same as default mode network) is active between study sessions (at least if you acquire knowledge or…
CrabMan
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8
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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 define valence as the pleasure (positive /…
machinery
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Link between visual-spatial + verbal working memory and intelligence/academic achievement?
What is the link between someone's visual and spatial working memory, their verbal working memory, and different types of cognitive abilities or tasks? More specifically, intelligence tests (WAIS, Stanford Binet, etc.) and would this relate to…
user17044
8
votes
1 answer
How do people visually recognize their own reflection?
I'm interested in how the brain processes and recognizes the image of the person's own face.
A bit of background:
A while ago I've developed an overlay-camera like app for iPhone that allows me to combine two pictures. One picture, is a static image…
Alex Stone
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8
votes
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What causes people to betray each other when facing the prisoner's dilemma?
When confronted with the Prisoner's Dilemma, people often refuse to cooperate. Instead, they choose to betray other people, even when cooperation yields a more favorable outcome.
Why do people behave in that way? Is it a genealogical feature which…
user1109
8
votes
3 answers
Analysis of parameter estimates from Ratcliff diffusion model
I would like to analyze a dataset in which subjects' reaction time and error rate have been recorded. In order to account for potential speed-accuracy trade-off I am planning to make use of the Ratcliff's diffusion model. My data is a within-subject…
jokel
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Psilocybin for treatment of anxiety disorder
Has psilocybin been used for treatment of anxiety disorder? I've mostly found it used in the treatment of depression in patients diagnosed with cancer (Nichols et al. 2017) and patients not diagnosed with anything at all (Griffiths et al. 2006).…
Seanny123
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EEGlab: power spectral density from a single EEG lead
I was trying to get power spectral density of a time-series data. The sleep recording software we use, doesn't allow to export EDF format of an interval, only of the whole record, but it allows to extract an ASCII file with uV value of a single…
napoleoninrags
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8
votes
1 answer
Rated model of driving-related processes and objects
The Salience, Effort, Effort and Value (SEEV) model for predicting the distribution of visual attention contains a parameter called 'value' which represents the importance of a certain area of the field of view concerning a given task context.
Does…
deemel
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8
votes
1 answer
What explains the characteristics of the receptive fields of simple cells in V1?
Here is a YouTube video of a Hubel & Wiesel experiment from 1965 in the visual cortex. The video shows the experimenters outlining the receptive field of a simple cell in the first part of the video using symbols. Crosses are used for excitatory…
Wupadrasta Santosh
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8
votes
2 answers
How good are people at guessing the ages of their respective ethnic group?
I have a Chinese friend and she says that she has a much harder time guessing Western people's ages than Eastern people's ages. No particular surprise here. For me it's the opposite. I have the feeling that Eastern people look younger longer and…
Nikolaj-K
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8
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3 answers
Freeware for measuring keystroke duration
I am searching for freeware to measure the duration of a keystroke or mouse-click, both would work. Does anyone have an idea?
Matlab toolboxes are, unfortunately, of no use to me.
Nathalie
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Why do colors affect emotion?
The paper "Color Psychology: Effects of Perceiving Color on Psychological Functioning in Humans" by Andrew J. Elliot and Markus A. Maier shows color effects emotion, but what property of them cause this effect? Does light blue make you feel peaceful…
lougehrig10
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8
votes
1 answer
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 drink cold beverages while watching a horror movie…
user1306322
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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.
This phenomenon is usual, as in this question…
puzzlet
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