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1500 questions
10
votes
1 answer
What are the considerations for using wide-reaching messages and training over individual-focused efforts for changing behavior?
In most places that I've worked, when some sort of problem arose or corrective action needs to be taken, one of the first responses is to send mass emails at an organization or team level and set up mandatory group training sessions. Sometimes, this…
Thomas Owens
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10
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3 answers
Name of cognitive bias that causes experts to overestimate their ability in other areas?
Is there a name for a cognitive bias that causes people who have been successful in one area to be overconfident in their level of knowledge / ability in another unrelated area?
It's related to the Dunning-Kruger effect, but I'm specifically…
duffx
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10
votes
0 answers
How to teach parents to apply early childhood interventions to improve cognitive outcomes in children?
I've watched the "My Brilliant Brain: Born Genius" documentary where they refer to the Abecedarian Project, in that investigation, a group of children that were exposed to early childhood education observed long-term benefits, such as higher scores…
rraallvv
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10
votes
3 answers
Images on personal computers - Which aspect of size to keep constant?
For various reasons we're doing a reaction time study involving images that runs on unstandardized equipment: patients' personal computers (unless they don't meet certain requirements).
It's not about vision or individual differences, but…
Ruben
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10
votes
2 answers
What is the difference between a need, a drive, and a motive?
Going by Hull's drive-reduction theory, as stated in Psychology, by Ciccarelli, 4th edition:
A need is a requirement of some material (such as food or water) that is essential for survival of the organism. When an organism has a need, it leads to a…
EMMs2008
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10
votes
1 answer
Is a Hopfield network with a continuous activation variable and a discrete time variable possible?
I've found plenty of resources on Hopfield networks that use either discrete variables for both activation level and time or continuous variables for both activation level and time. Is it possible to construct a Hopfield neural network that uses a…
visual-kinetic
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10
votes
2 answers
Why do brains oscillate within specific frequency ranges?
Why do brains oscillate within specific frequencies?
I have two specific questions:
What are the physiological mechanisms which generate the oscillations within these very frequencies?
What would go wrong if the frequencies were magically…
qeschaton
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10
votes
2 answers
Has "induced savantism" been further explored beyond Snyder 2009?
The Mechanism/Neurological subsection of the Wikipedia article Savant Syndrome says:
Savant syndrome results from damage to the left anterior temporal lobe, an area of the brain key in processing sensory input, recognizing objects and forming…
uhoh
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10
votes
1 answer
Cognitive explanation of why beta blockers are effective for anxiety
Beta blockers essentially reduce physical effects of anxiety and panic disorder, but there is no proof that there is a direct effect on anxiety. Some scientists believe there is an indirect effect.
What is the cognitive explanation of the fact that…
user26
10
votes
1 answer
How can I test whether Dorsal Raphe Nucleus (DRN) activity at night is related to variations in mood?
I'm reading this paper, which discusses Serotonin activity in the Dorsal Ralphe Nucleus(DRN), and even includes some mathematical models of how serotonin is released and reabsorbed. The paper states that depressed patients show significant decreases…
Alex Stone
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10
votes
1 answer
How to differentiate attentiveness, arousal and memory via gamma oscillations
I am planning an experiment using mice with in vivo extracellular recordings (and maybe also optogenetic stimulation). In these kinds of experiments, the mouse is getting a reward after executing a (short term) memory involved task.
I noticed that…
user135172
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10
votes
1 answer
Is there any "predictive" component to positive/negative affect in Seasonal Affective Disorder and Bipolar Disorder?
I'm wondering if the human brain "predicts" how certain weeks of the year should feel?
For example, a child who is going to school may have a more positive affect in anticipation of summer holidays, and may feel more negatively towards the end of…
Alex Stone
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10
votes
1 answer
Are there any connectionist models that integrate reinforcement and fully supervised learning?
I've been working on modeling some phenomena involving real-time control in an environment with inherent rewards (specifically, playing a 'pong'-like game), and it's increasingly looking like reinforcement learning by itself won't cut it…
zergylord
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10
votes
2 answers
What are the effects of hebephilia on victims?
Following the Milo Yiannopoulos shebang, I had a discussion with a friend over the effects on a sexually maturing teenager (14ish) engaging in sexual behavior with a significantly older adult (at least 23 years old). In the discussion, we both…
Daniel Kaufman
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10
votes
1 answer
What is the effect of Social Proof on Conversion Rate?
I'm wondering to what extent Social Proof helps the Conversion Rate of websites and marketing.
Specifically I'm wondering what effect Social Proof would have on Conversion Rate for a sample task in an online context. Lots of marketing material…
Ben Brocka
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