All Questions

0
votes
0answers
21 views

Which are the arguments for asserting mental life/consciouness happen only in the cerebral cortex?

I've read many articles / researchs and they are hard to follow. Several times concepts are hard to understand, it would seem certain concepts such as "cognition" are fuzzy terms and they become part ...
2
votes
1answer
154 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 ...
3
votes
1answer
44 views

How quick a flash of light is invisible

I know this overlaps a lot of previously asked questions but: I understand that 'A photon hits a photosensitive molecule in a photoreceptor in the retina, which causes a chemical change. [...] Vision ...
0
votes
0answers
13 views

Visualizing words upon hearing or thinking them

In any culture with literacy rate near 100%, is it known what proportion of the population visualise words written in front of them every time they hear words being spoken (i.e. are unable to hear ...
1
vote
0answers
21 views

How many people have a mental disorder in the world at the same time?

According to this article, Mental disorders affect one in four people One in four people in the world will be affected by mental or neurological disorders at some point in their lives But this ...
0
votes
0answers
16 views

Is batophobia light dependent?

Batophobia is the fear of heights or being close to high buildings. I am getting fear when I use to see high buildings close to me at night only but not in the morning. Does batophobia depend on ...
4
votes
2answers
168 views

for a persistent perceptual experience, why is video able to have a lower frame rate than audio?

In film, images are typically shown to us at around 24 frames per second, but modern sound files will often have 44100 or 48000 samples per second. There's a threshold above ~12 fps where we will ...
2
votes
0answers
24 views

Are there any documented cases of a delusion remitting when it is allowed to play out?

Shutter Island is a 2010 movie featuring Leonardo DiCaprio in the role of a delusional character who develops and lives an elaborate narrative to avoid facing a harsh truth following a traumatic event....
4
votes
0answers
11 views

Where can I find the text of past DSM versions to visualize revision history?

I'm interested in building a data visualization to learn more about the history of the DSM. (I'm inspired by this visualization of the edit history of Darwin's "Origin of Species" by Ben Fry, as well ...
0
votes
1answer
60 views

Article about DTI of Autistic Brain

Does anyone know where do I find the article that published this image? Appereantly it was created by a neuroscientist called Jason Cooperrider and it is the tractography of Temple Grandin's brain. ...
0
votes
0answers
6 views

Typical and minimum voxel sizes for various field strength MRI machines?

Hoping somebody can give me some real world numbers on the typical capabilities of 3T and 7T MRI machines in terms of there minimum voxel size (specifically in relation to there use in fMRI studies if ...
1
vote
0answers
23 views

Is passive-aggressive behavior conscious or unconscious?

It is my experience that people who show passive aggressive behavior do not realize it or at least do not admit it. Which leads me to the question whether passive-aggressive behavior can be ...
0
votes
0answers
8 views

Is there any research on whether primates with sign language use same fronto-temporal language networks observed in humans?

I have been reading up on research carried out at Ev Fedorenko's MIT Language Lab on localising the high-level language processing regions in humans using fMRI and was wondering if any comparative ...
1
vote
1answer
19 views

Is there an upper limit to the number of channels in an EEG system that would provide additional useful data points?

A quick scan of search results seems to indicate that the highest density EEG systems on the market are limited to 256 channels such as Neuvo, SynAmps, and others. Is this an arbitrary limit (either ...
1
vote
0answers
17 views

Do people still use ACT-R?

A lot of computational cognitive scientists seem to be working on Neural nets (mostly vision scientists), Reinforcement learning (mostly decision making people) and Bayesian Inferences. I could hardly ...
3
votes
1answer
49 views

Independence of criterion and d-prime (psychophysics)

I am reading here, page 5 that d' (d-prime) does not vary with criterion (in contrast to hit rate for instance which does vary with criterion, and which can be a biased measure of a subject's ...
0
votes
0answers
32 views

Do women naturally form groups to defend themselves?

What I'm describing is also further explained in this post, written by and for women apparently. Can this behaviour be attributed to the whole gender? Is it a social construct or the outcome of ...
3
votes
0answers
47 views

Bouba/Kiki effect - computer-generated 3D shapes

I have seen a research project, where the subjects were presented with shapes to classify in two categories. The shapes were 3D models, some that were "pointy" and some that were "rounded". The ...
1
vote
0answers
35 views

Stress vs. Testing

I was reading somewhere and found that there are various levels of stress depending on time. It said that when under stress for 30 mins, memory is not as efficient. So I have two questions here. A- Is ...
2
votes
1answer
41 views

What does “The brain has its own language for testing the structure and consistency of the world.” refer to?

The late Dr. Carl Sagan is famous for many different contributions to both scientific research and science education. One memorable line is discussed in Are we really star-stuff from the interior of ...
3
votes
0answers
24 views

Recognizing facial expressions

I seem to recall reading an article some number of years ago on a study or set of studies that examined the impact that a story has on the interpretation of facial expressions. Something along the ...
4
votes
1answer
53 views

Bottom up thinking - what is it?

Mlodinow has book Elastic thinking, which sounds interesting and where he mentions bottom up processes/thinking; which he equates with elastic thinking. I have watched numerous videos about it, and ...
0
votes
1answer
55 views

Can the brain be enhanced by adding more neurons?

I was wondering of ways to enhance the brain. Couldn't we add a sort of substance to improve the brain? Will it somehow adapt? The brain should 'wire up' the new substance to the existing one. As ...
2
votes
0answers
38 views

Are all personalities divisive?

Most people like the smell of oranges. You might say that the distribution of reactions to the smell of oranges leans to the right. Most people dislike the smell of sewage. You might say that the ...
5
votes
0answers
50 views

How do serotonin antagonist and reuptake inhibitors work as an antidepressant?

The monoamine hypothesis postulates that the deficit of certain neurotransmitters is responsible for depression, and even that certain neurotransmitters are linked to specific symptoms. If suppose ...
3
votes
1answer
98 views

Are neural adaptation and drug tolerance to psychoactive drugs related?

Neural adaptation is "...a change over time in the responsiveness of the sensory system to a constant stimulus". The example given is placing your hand on the surface of a table. Eventually, you no ...
1
vote
0answers
19 views

What could explain the apparent association between high IAT bias scores and percentage of black americans per state?

The implicit Association test (IAT) measures your subconcious preference for white over black or the other way around. It does so by letting you do a task where you have to categorize black and white ...
5
votes
0answers
23 views

Do neurons involved in reflex movements process information or they just transmit a signal?

According to Reflex A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. A reflex is made possible by neural pathways called reflex arcs which ...
1
vote
1answer
26 views

How are ocular dominance columns monocular despite binocular complex cells?

Orientation columns in the primary visual cortex are known to have (mostly) simple cells in layers 4 and 6, and (mostly) complex cells in layers 2,3 and 5. Orientation columns spanning an entire range ...
2
votes
1answer
29 views

Can a device create/guide neuron connections between them?

Is there a device of some sort that could promote/guide/create exact connections between neurons? I wish there was a device that could get me PhD by just wearing it for a few months.
0
votes
1answer
66 views

Is there a mental disorder in which one is unable to determine personal preferences, and as a result, is a cause of great distress?

I know that our preferences and tastes help shape our behaviors and what activities we willingly engage in, but I also know that being faced with indecision is a common feature of the human experience....
1
vote
1answer
137 views

What kind of psychologists study 'genius'?

Which sub-field of psychology deals with differences in human intelligence? As in, what makes someone an intellectual genius? Or, maybe a bit more humbly, why are some people more intelligent than ...
2
votes
0answers
34 views

How many moving objects can a person count (on average)?

I wonder if experiments in perceptual or cognitive psychology have been performed following these considerations: Standard experiment: Present small numbers of simple items to a test subject, for the ...
5
votes
1answer
72 views

What benefit is responsible for human preference of one food over another?

I like kiwi. I don't like omelettes. I love berry pies, but I'm not a big fan of potato chips or pretzels. Human taste preference is seemingly universal, with even young children able to identify ...
5
votes
3answers
995 views

What is the medical term for semi-mindless activities to help reduce anxiety? … such as gardening, mowing, cleaning… perhaps driving

What is the medical term for semi-mindless activities to help reduce anxiety? ... such as gardening, mowing, cleaning... perhaps driving. I recall that, maybe, the word asynchronous was part of the ...
1
vote
0answers
46 views

Is there a basic mathematical relationship between IQ and learning speed?

Is there a basic mathematical relationship between IQ and learning speed? ... such as linear, exponential, etc? For example, if some number of people with an approximate IQ of 100 (95-105) take X ...
1
vote
0answers
56 views

Do we think in language?

Can we think i.e. process the input data without relying on linguistic structures? All knowledge between human is either spoken or written. When we see something, it contributes towards the ...
0
votes
2answers
64 views

What are existing theories on competing wills in the mind?

To clarify a little further, I've read in different places that our brain could be composed of mini minds, that preform all sorts of actions. Assuming this is valid I'd think that of these minds, ...
4
votes
0answers
30 views

Is there evidence for anger being a “secondary emotion”?

Some sources claim anger is in fact a "secondary emotion" that hides other emotions behind it. Is this anecdotal / up to interpretation, or is there a strong body of evidence to support this claim?
4
votes
1answer
79 views

Why it is so difficult to think critically about family members behaviour?

It seems to me that some survival mechanisms working in us make the act of analyzing family members behaviour very difficult. We tend to perceive the family's behaviours as normal, even if there are ...
1
vote
1answer
29 views

Does total time exercising matter for cognition more than the time exercising continuously?

Will my brain benefit from cardio equally if I exercise at the same intensity level for 12 10 minutes sessions as it would for one 120 minute session?
5
votes
2answers
92 views

Can drugs support emotional developement in personality disorders?

Some personality disorders are associated with a degree of emotional blindness or coldness with narcissistic PD being such an example. I wonder whether there are drugs that - in addition to ...
3
votes
1answer
45 views

What is the difference between getting high( i.e. using alcohol or similar things) and getting unconcious using general anesthesia?

I searched the internet about the difference but couldnt really understand it.I am not asking about the difference in the type of drugs used, Iam interested in the difference in the state of ...
2
votes
0answers
32 views

when is default mode active

AFAIK default mode is important for our well being since as I am concerned one of its functions is to make sense of things we learned, experienced, etc. Here is says default mode is active when ...
6
votes
0answers
13 views

While dreaming, are memories replayed faster or slower? [duplicate]

In Chapter 3 of his book Why We Sleep: Unlocking the Power of Sleep and Dreams, Matthew Walker explains "time dilation in dreams": One last temporal distortion deserves mention here—that of time ...
0
votes
1answer
29 views

Why do we sometimes(i often) go to trance while listening to music?

What's the scientific reason behind it? I can't quite figure out what's around me and it feels so soothing same as the effect of meditation. It feels like an enlightenment.(I feel like I'm connected ...
3
votes
1answer
90 views

Integrated Information Theory - If correct could humans create artificial consciousness?

First off please keep in mind I am self-learning and am learning about this for fun, I have no end goal. I'm trying to make predictions about what I am learning implies or means, so I can ask better ...
0
votes
1answer
24 views

What is the term for learning to group objects

I've been googling this for a few days now but haven't come across what I'm looking for. Scenario: A child has to learn how to identify species. When first learning, they might mistake a cat for a ...
2
votes
2answers
112 views

Is there an evolutionary psychology explanation why children have high pitched voices?

I have come across purely mechanical reasons that explain why children have piping/high pitched voices - length of trachea etc. However, I find myself wondering whether there isn't a deeper ...
0
votes
3answers
68 views

complex name - surrounding you with inferior (less talented) people

What is the name of the complex of surrounding oneself with inferior (less talented) people to avoid being eclipsed or overcome? I have a vague memory that it was a Greek naming or one from classic ...

15 30 50 per page