All Questions

2
votes
0answers
13 views

Are skull screws required for stable implants

I'm wondering if there is any quantitative (or a least first-hand qualitative) evidence that relates the stability of chronic, invasive neural recordings with the use of skull screws versus a high-...
0
votes
0answers
15 views

Neurologically speaking, what catalyzes word salad?

I've seen it commonly associated with schizophrenia, so I considered that the enlarged ventricle could potentially take space from Wernicke's area. Is that accurate? Thanks for the help.
0
votes
0answers
11 views

Why does a shuffled deck of cards feel less “lucky” than rolling dice?

There's a popular co-operative board game called Pandemic. Although largely strategic it has one key random element, a deck of cards that determines where new diseases will spring up. While player ...
4
votes
1answer
28 views

Homoparental Adoption Studies

Such as the World Professional Association for Transgender Health, which involves a relative large group of professional for concluding about Transgender protocols and studies, and somehow unrelated ...
1
vote
1answer
30 views

Does mindfulness work for people with inattention?

Mindfulness practice requires extensive concentration for a prolonged period of time (e.g., attending to breath/body sensation for above 5 minutes). It is natural to assume that it might be ...
-1
votes
0answers
33 views

Erasing bad memory

I heard yesterday in a lecture that there was an experiment in which scientists cured people from arachnophobia by memory erasing. It sounds very far-fetched but it was a lecture by a professor so it ...
-1
votes
0answers
20 views

Is every conscious decision in the roots motivated by a pleasure of eliminating basic biological urges?

Does exist any theory stating something similar to this?: We are born with basic biological urges (urge to eat, to urinate etc.) and a pleasure feeling from eliminating these urges, for example ...
0
votes
1answer
58 views

Does the Rubik's Cube increase mental ability?

Does becoming efficient in the cube help build your brain to be able to do other tasks better? What tasks and how?
1
vote
1answer
50 views

Does Asperger's syndrome exist in other animal species?

I once spent some time working on a dairy farm and it seems that one commonality between the cows is that they all have, let's say, quirks. but there was this one cow in particular who exhibited ...
2
votes
0answers
54 views

How to train/develop photographic memory?

In this older post, @Beofett asked whether photographic memory (I don't really know if this is the correct term) was even possible... For me, photographic memory is the impressing ability to remember ...
-1
votes
0answers
16 views

Do the emotions attributed with music has any biological significance?

Music changes our mood, some music makes us sad, some other makes us happy etc... What I am asking is, Is it just a cultural thing or that some kind of music has the inherent property to affect our ...
3
votes
1answer
56 views

Is 'your mom will be sad' actually a good argument to pose to someone thinking of committing suicide?

I often come across people pointing out that the close relatives of someone who is thinking about committing suicide will grieve, as an argument against doing it. However, I've noticed that it is ...
0
votes
0answers
17 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
45 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
38 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
10 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
20 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 ...
-1
votes
0answers
19 views

How does human memory and recognition work if not like a computer? [duplicate]

I read a few recent blog articles by neuroscientists who argue that the field often takes an analogy between the human brain and computers too literally. One particularly convincing example was ...
0
votes
0answers
13 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 ...
3
votes
2answers
134 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 ...
1
vote
0answers
31 views

How does the brain learn shortcuts and does this reduce cognitive load?

For a talk on some "productivity inreases", I'm looking for someone who can help me back up my claim with some science. The theme of the talk is how automating mundane tasks and reducing the number ...
2
votes
0answers
21 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
9 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
35 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
20 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
6 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
18 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
16 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 ...
1
vote
1answer
35 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 ...
-1
votes
0answers
10 views

Difference between eudaimonic and hedonic approach on psychology?

What is the difference between between eudaimonic and hedonic approach on psychology? Please explain in simpler terms.
-1
votes
0answers
13 views

What are the neurons that give us our conscious perception of the world [duplicate]

From my reasoning motor neurons develop there behaviour by a process of conscious perception of the world and desire of that conscious to explore it success and failure in attempting to explore it ...
0
votes
0answers
29 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
44 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
33 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
40 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
20 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
50 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
48 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
32 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
28 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
27 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
13 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
21 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
24 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
26 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
57 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
114 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
32 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
68 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 ...

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