4
votes
0answers
78 views

Why do we seem to have an internal drive to use different expressions(mostly when writing)?

How come we have so many words/phrases that share the same meaning? I suppose the most obvious answer to this would be that through communication between people with accent/language A and B, new ...
5
votes
1answer
302 views

Is there a lot of redundancy in written and spoken language?

I read years ago in a pop science book that written and spoken language can be shown to have a high level of redundancy. The speculation was that this served to allow error correction because language ...
1
vote
2answers
112 views

Categorization studies with a procedure similar to Shepard et al (1961) and Medin & Schaffer (1978)

I am looking for performance results from categorization studies with discrete stimulus features and reinforcement feedback. I need something like this: ...
4
votes
2answers
654 views

Is the Raspberry Pi capable of operating as a stimulus presentation system for experiments?

I'm outfitting a small behavioural lab with a fiscal-austerity-induced budget. I'm considering trying out a Raspberry pi for individual participant systems. My tentative plan is to run linux and code ...
3
votes
1answer
105 views

What is the definition of pathology?

While trying to get more information for my previous question, I found several different definitions for the terms "pathology" and "pathological." While under normal circumstances I'd be inclined to ...
4
votes
1answer
100 views

Does the Hodgkin-Huxley Model take into account the action of the ion pumps (e.g., Na-K-ATPase)?

After the firing of a neuron, the sodium and potassium concentration differences vanish. It requires some time for cell to actively transport the ions in and out to re-establish the balance. Does ...
6
votes
1answer
140 views

How people choose at random

This question is inspired by one asked at MathOverflow. (These questions at Cognitive Sciences and at Cross Validated might also be relevant.) Are there any studies on what choices humans ...
2
votes
0answers
57 views

How to optimize bi-tasking?

Based on an article on brain laterization, it's said that a lateralized brain can do two tasks simultaneously. Lateralized chicks could pick food out of the pebbles with one eye and one half of ...
5
votes
2answers
292 views

Minimum duration for presenting a visual stimulus on screen

My experiment involves presenting simple visual stimuli briefly on screen (200 ms to 1000 ms). The stimuli would be simple enough (e.g. a circle and a line) but I want to use a range of durations to ...
2
votes
3answers
285 views

Why do drivers not slow down when they see signs indicating road work?

I found the following anecdote on Quora Many years ago, I worked for a gas & electric power company, and had been a member of a crew installing a road-side gas main. Despite the signs, ...
5
votes
1answer
90 views

How can the aversion response be explained neurologically?

If Dopamine and Dopamine D2 receptor is involved in craving, wanting and clinging towards something or incentive salience Dopamine is closely associated with reward-seeking behaviors, such as ...
4
votes
1answer
311 views

Are there statistics about how many assertive people there are in the world?

Based on my own experience, assertiveness is a rather rare commodity to be found among people, which in my opinion causes most of the troubles this world has. Are there any statistics that attempt to ...
21
votes
1answer
1k views

Is there experimental support for John Perry's “Theory of Structured Procrastination”?

John Perry's theory of structured procrastination can be summed up as follows: Some people are inherently predisposed to be procrastinators across a wide range of domains Such procrastinators are ...
7
votes
0answers
98 views

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 ...
13
votes
4answers
711 views

If someone becomes a split-brain patient, which side will “maintain” the continuity in their consciousness?

The brain injury might apparently produce two "independent" consciousnesses, and I'm wondering where the original person's "consciousness" would "transfer". We had a debate on this over at Reddit ...
5
votes
1answer
157 views

Does medication to treat Obsessive-Compulsive Disorder reduce associated cognitive deficits?

Some studies point to existence of cognitive deficits in OCD (it seems that these deficits are not comorbid but have the same neurological roots as OCD). Unfortunately I found no studies with positive ...
2
votes
0answers
103 views

Evidence that qualia are not the same as physical processes? [closed]

With regards to the answer posted by @sandygautman in the question Do feelings have a purpose: Let me first state that I don't have a problem with either the question nor the answer; I'm only looking ...
2
votes
1answer
62 views

Are there already models for planning and goal-directed behaviour?

I'm interested in planning and how one is able to take action and plan ahead at the same time. I could imagine one could make observations and project these into the future using past experiences. The ...
3
votes
1answer
154 views

Do feelings have a purpose?

A car has dashboard lights, like "check engine" to indicate malfunctions, etc. Do human feelings have some similar, meaningful function (x produces feeling y), or are feelings just random glitches of ...
2
votes
1answer
69 views

Is the energy of an action potential divided among multiple axon terminals?

My understanding is that the bulk of an axon is myelinated, greatly adding to the efficiency of transmitting action potentials. However, the axon terminals are not myelinated. I'm wondering if the ...
2
votes
1answer
713 views

Are there any reliable self-tests for autism spectrum disorder?

Are there any reliable tests, on-line or available for download, for auto-diagnosis for autism spectrum disorder (including Asperger syndrome)? I've found that test: ...
1
vote
0answers
94 views

In what ways can someone increase their brain function while reading [closed]

On Facebook, someone posed the following question: In what ways can someone increase brain function while reading? I like to read but have problems retaining information. Sometimes I get a ...
7
votes
1answer
76 views

How does one study the effect of a dietary supplement on cognition?

I've really enjoyed this talk by Molly Crockett: Beware neuro-bunk. The speaker outlines the limitations of modern neuroscience when accessing the effectiveness of dietary supplements intended to ...
9
votes
1answer
862 views

Why people choose “boring” colors for new cars?

I've been interested in this question for a few years, sorry if this is not the right place to ask it. As I've been driving around the US for the last few years, I noticed that some community parking ...
14
votes
1answer
6k 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 ...
7
votes
2answers
276 views

Will Our Brain Speed Reduce As Our Memory “Mail Boxes” Fill Up?

I recently stumbled accross the article "When the Brain's Mailbox Is Full", which can be found here: http://www.nytimes.com/1999/07/27/health/when-the-brain-s-mailbox-is-full.html. The article ...
25
votes
1answer
549 views

The effects of bilingualism on colour perception

Peltola et al. (2012) showed that there are two types of bilinguals. Balanced bilinguals mix their two languages and are effected by linguistic categories from both. Dominant bilinguals seem to ...
11
votes
2answers
346 views

What are different ways to determine centroids of fMRI activation, their drawbacks and perks?

I'm reading an older article on bilingualism (Kim, Relkin, Lee, & Hirsch, 1997) for a seminar. They were interested in the spatial separation of two languages in early and late bilinguals. They ...
4
votes
0answers
486 views

Overcoming the effect of Limerence? [closed]

I recently came to know about Limerence. I could not find definite answers for the following questions: It has been said that limerence generally lasts between 18 months to 3 years, could be more ...
7
votes
2answers
135 views

What causes people to remember events which did not take place?

How do we "remember" events which did not take place, or future events? I'm using remember as a way of describing the experience of recalling a future scenario. For instance, when you were little say ...
6
votes
1answer
3k views

What's the difference between projecting and mirroring?

In Psychology 101, I learned about Projecting and Mirroring... I know one is where an individual sees his own problems in other people... I always forget the other concept and/or confuse the two. ...
6
votes
1answer
141 views

Can we stop the brain from processing a particular task?

Imagine a task of high involvement and great complexity, but one that is not very important, e.g., a strategic computer game. Because of high involvement, the brain continues to process the problem to ...
10
votes
1answer
200 views

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 ...
1
vote
1answer
241 views

How does the brain process concurrent visual or sensory data?

I tried thinking about an apple and simultaneously an orange. (I was thinking about its appearance and taste). Despite my best efforts I was not able to do parallel processing to think about the apple ...
5
votes
1answer
93 views

Source for standardized audio files for an experiment in German

I need some audio files for an experiment. In this experiment, numbers will be played to the subjects via headphones, so I need sound files with spoken numbers. Actually, a single file with a sequence ...
4
votes
0answers
109 views

Are there any cutting edge techniques that enable to acquire foreign language at relatively fast pace?

I am aware of immersion method as well as mnemonics such as the one Daniel Tammet's Born on a Blue Day. I read that Kim Peek's lack of corpus callosum enabled his brain to absorb information faster ...
2
votes
1answer
75 views

Is it possible to measure the differences in processing and interpretation of reality between individuals?

What variables can be measured to compare, for example, two different individual's conscious processing and interpretation of the same objective reality ? For example, when terms like "distorted view ...
14
votes
3answers
570 views

Research suggesting conscious control over brain region activation?

Has there been any research proving, disproving, or exploring the concept of conscious activation of specific brain regions? To elaborate on this: I've read that performing processing tasks causes ...
9
votes
1answer
463 views

Attention Theory: is it impossible to avoid distraction?

I remember reading at some point in the literature that humans are unable to avoid distraction from a certain primary task if this task isn't using up close to all available 'resources' - basically ...
13
votes
1answer
583 views

Does the transcription method used (e.g., printing, handwriting, typing, voice recording, etc.) affect memory retention?

When I was in high school, one of my teachers used to make us hand print copies of materials from transparencies on an overhead projector (I may be showing my age), with the reasoning that re-writing ...
3
votes
1answer
1k views

Scientific findings of strobe lights and the brain

While there is a lot of general discussion and articles on the web that strobe lights cause epileptic seizures - I am looking for more specific data. Perhaps scientific references, papers or articles ...
4
votes
1answer
103 views

How does the brain know what to crave?

I remember that at some point on House, M.D., one of the characters mentioned that her patient craved milk because it contained some chemical he/she needed. How does the brain figure out what ...
2
votes
1answer
216 views

Possibility of perfect virtual reality [closed]

Is it biologically possible to build a "perfect" virtual reality, in which the person in that world cannot distinguish it from the real world? (e.g. as in the movie The Matrix) From my knowledge ...
7
votes
1answer
100 views

What are the internal and external variables for varying levels of self-awareness?

I'm looking for references to studies that show which variables increase or decrease self-awareness and to what degree. For example, internal variables could be level of a certain vitamin, brain ...
2
votes
2answers
163 views

How do graphic objects in data visualisation facilitate ease of interpretation?

Background: I vaguely remember reading in a book (I think it may have been Nudge - Thaler and Sunstein) about the advantages of using graphics for visualising data, such as a smiley face, or traffic ...
3
votes
1answer
60 views

Stiffing the tip as groups get larger … like the prisoner's dilemma but …?

Is there a game theory analysis or other research or modeling describing the commonly perceived phenomenon whereby the amount by which people underpay a gratuity seems to be proportional to the number ...
2
votes
0answers
36 views

Meditation for patients with neuroleptic induced tension

Patients taking antipsychotic (neuroleptic) drugs often suffer from some kind of discomfort or tension. This can manifest as a neuroleptic induced dysphoria, akathisia, or some kind of anxiety. Is ...
5
votes
1answer
148 views

Can Sensory Processing Disorder (SPD) present symptoms from very particular stimuli?

Sensory processing disorder can cause over or under reactions to sensory input, like loud sound. Can those afflicted with this disorder be okay from a particular sound played at a particular volume ...
9
votes
1answer
156 views

Does typical duration of Short Term Memory differ between tasks?

The duration of Short Term Memory is a fuzzy thing; Wikipedia notes several disputes over it's length and I recently alluded to this fuzziness myself. However, I wonder if part of the apparently ...
4
votes
1answer
594 views

Is there a technical term for “fear of the unknown”?

I'm writing paper about climate change and its economic impacts on society. Is there a generally accepted technical term for "fear of the unknown" in psychology?

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