For questions regarding the study of the underlying neural substrates of cognition, especially those at the crossroads of psychology and neurobiology

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Using IT to quickly make a simulated brain

First of all, I would like to say that I know nothing about cognitive sciences. I am just posting this question because it interested me and I stumbled across this group in stack exchange. I was ...
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34 views

Is Nietzsche morality has any scientific basis? [closed]

Nietzsche believes that people either have master morality or slave morality. The master thinks wealth is good. The slave thinks that anything that allows the master to achieve wealth is evil. A ...
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2k views

What is depersonalization and derealization disorder from a neurological point of view?

Lately, there is a lot of information on the psychological, experiential and behavioral aspects of DP/DR. (I find it most interesting as many have described it as having one foot in the spiritual ...
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What happens in the brain upon a subsequent exposure to a desired stimulus within a short time?

I'm trying to understand what happens within a person's brain when a focus on an object of desire is temporarily disrupted by an outside event. In particular, what happens when the person focuses on ...
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How common is it for twins conjoined at the head to share thoughts and visual stimuli?

I've always been interested in the possibility of a pair of conjoined twins, joined at the head, being able to read each other's thoughts, react to stimuli that one of them can't see/hear/feel, and ...
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259 views

What is the neurological basis of maintaining self discipline?

Self Discipline, as defined in this meagre Wikipedia article as being as the ability to motivate oneself in spite of a negative emotion This is partly distinct from self control and willpower ...
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23 views

Can humans keep track of two unrelated rhythms?

Let's do an experiment. With your left hand start tapping out a regular (evenly-spaced) beat - say, 2 beats per second. With your right hand attempt to tap our a different regular beat, but tap at a ...
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36 views

How can we be formed by our childhood's environment if we don't remember much of it?

Studies with rats showed that the most licking ones in childhood were the most licked in adulthood [1]. Also many psychologist says that this is the part of our live where our personality is created ...
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Are the physical sensations of an emotion due to neural activity strictly in the brain or also in the body?

Symptoms of anxiety and anger are often described as some sort of energetic sensation in my chest and sometimes face or arms. Are these sensations an 'illusion' from neural activity strictly in the ...
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What is the neurobiological basis of the “inner voice” used for thought or reading?

I've recently experienced a number of hypnogogic near sleep states characterized by change in thinking (stage 1-2 sleep). I noticed that if I let go and get absorbed in the state, I can follow it. I ...
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277 views
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Strengthened Inhibitory Connections Between Neurons

I'm reading Bio Inspired Artificial Intelligence which cites this passage about neuron plasticity: "Spike time-dependent plasticity. The percentage of synaptic modification depends on the ...
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143 views

Flow diagram of how information flows through the brain?

I am a Artificial Intelligence researcher with a interest in neuroscience. I was wondering if flow diagrams exist of the way information flows from sensory inputs through the parts of the brain (and ...
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What is the relationship between the ego, amygdala and consciousness? [closed]

I've been reading a lot about emotional responses lately, and the following points seem to surface in different writings: "Amygdala is a very ancient system, intended to quickly alert a person ...
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Is there a difference between hearing and decoding the sound?

I presume that deafness is the inability of hearing any sounds. And I presume that it may also be possible to be less able to decode sounds. In other words, an inability to translate or understand the ...
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1answer
46 views

Can Transcranial Magnetic Stimulation (TMS), or a magnets cap make you smarter?

According to wikipedia, TMS is a bunch of magnetic fields directed to the brain which stimulates and activates neurons. If I wear a cap full of magnets, will it stimulate my neurons? If yes, will a ...
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28 views

Neurobiology of addiction recovery [closed]

While addiction is one of the most studied topics in neurobiology, I don't see very much info on recovery. The information I have found is confusing. This one says striatal DAT bindings return to ...
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1answer
38 views

Parasite that takes over cognitive functions [closed]

I am testing an idea for a book. The backbone of the story is that there exists a parasite that can enter the brain of a creature and take over its cognitive functions. I imagine that it could wire ...
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77 views

Why do people who stutter have less difficulty singing than speaking?

From what I have read, stutterers tend to have much less trouble singing than speaking. Do we know why this is the case?
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62 views

Are action potentials necessary for experience?

We know that, for example, during brain surgery, electrical stimulation in certain parts of the cortex is sufficient for experience, and result in reportable experiences in human subjects. We also ...
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102 views

Is there explanation of persistent laziness?

As we say when we feel happy there are some biological explanation of some feelings like happiness and sadness as they explain here. So I say whatever we feel can be explained in biological way, so ...
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272 views

Is it possible to detect the mental flow state with EEG?

I know that it is possible to detect "focus" with a consumer EEG with a single electrode and a reference point (ear clip), even without conductive gel, but is it possible to detect a flow state with ...
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93 views

How is brain processing different for situation-less vs. situated emotional faces?

In traditional emotional face perception paradigms, participants are shown circle cut-outs of emotional faces. All context has been removed. Participants only see the face. However, it's well ...
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Is psychological shock a valid construct?

Rather than shock as a physiological reaction to bodily trauma, does anyone know of research on the validity of psychological shock? I'm not referring to shell shock, or the original name for PTSD. ...
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Cognitive arguments as rationalizations of emotional processes that preceded them? [duplicate]

I heard the following argument on German talk radio: Modern cognitive science indicates that our conscious arguments are only rationalizations of emotional processes that preceded them. Where ...
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49 views

Does creativity have a neurological basis independent of the art form used to express it?

The arts provide a medium for creativity, and while some ideas might be easily expressed in various forms of art, some might not be (for example, a sculptor might be able to express the same idea in ...
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60 views

What physical process governs which details are retained in memory?

With long term memory, there is loss of information. For example, we don't seem to retain all the details of every image we see. What is the physical process those details undergo which cause them to ...
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2answers
106 views

What is the difference between “double dissociation” and simply having control and experimental groups?

According to my textbook Cognitive Psychology by E. Bruce Goldstein, a double dissociation occurs if damage to one area of the brain causes a function A to be absent while function B is present, ...
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Brain's differences in introverts vs. extroverts

I know that introverts have a higher sensitivity to dopamine, for example. Are there are other chemical and neuronal differences?
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352 views

Is there scientific evidence on the benefits of binaural beats?

When two coherent sounds with nearly similar frequencies are presented to each ear respectively with stereo headphones, the brain integrates the two signals and produces a sensation of a third sound ...
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If a human brain would be placed inside that of an animal: Could it talk?

Assumption: Animals can't talk 'human' because of their small(er) brain. Perhaps a strange thought, but I was really wondering: If we could place a human brain inside that of an animal: Would we be ...
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59 views

What is the neurophysiological mechanism behind double hearing?

A patient with sensorineural hearing loss can have the symptom of hearing "double" in the damaged ear. Not having a time-delayed echo, but hearing as if he (or other people) speak with "two voices" at ...
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73 views

What's the optimal type of exercise to increase BDNF

It is known that exercise has a positive effect on BDNF (brain derived neurotrophic factor). BDNF has a positive effect on mood and cognitive abilities. What's the optimal way of exercising ...
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40 views

What are there neuroanatomical mappings of the Wisconsin Card Sorting Task?

I know that the Wisconsin Card Sorting Task is used to diagnose various mental disfunctions such as schizophrenia and drug addiction. However, has it been specified what brain regions or structures ...
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Biologically plausible cognitive model of Wisconsin card sorting task

As discussed previously, there are a wide range of models that have been applied to the Wisconsin card sorting task. However, which one is most biologically plausible? That is, uses a realistic model ...
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Ranking of produced “brain fatigue” from different mind intensive activities

I'd like to know if there has been an study, or different studies for each activity with which the ranking could be done, that determines a ranking like that with mind intensive activities, I refer to ...
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86 views

What is “Attention” in terms of brain activity?

A rather basic question, but I don't know the answer to that - What is human "attention" that can be focused on different parts of the body or outside objects? For example, I can focus my attention ...
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63 views

What are some theories on Cognitive model of Human Imagination?

I have no knowledge about neuroscience but recently I was wondering what is the cognitive model of human imagination? How does the human imagine things that don't exist? Suppose I ask anyone to ...
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52 views

Practical ways to increase Mental alertness? [closed]

Are there any scientifically proven exercises which can improve mental alertness and awareness naturally? please share!
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70 views

Have any drugs been shown to increase the neuroplasticity of adult brains?

I read recently in the book "meet your happy chemicals" that the hormones of puberty are neurochemicals that cause your neurons to connect and myelinate more easily. If this is true have any studies ...
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reliability of fmri and pet [closed]

While I admit that pet/frmri scanning is possibly reliable when measuring physical aspects of the body, I would like to know how reliable it is when measuring cognitive aspects e.g. emotion. How ...
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109 views

Is it possible to erase problematic memories?

This question is inspired by a question I answered on Health. Can we erase problematic memories to aid recovery from depression? A depressed person asked how to erase specific unpleasant ...
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1answer
71 views

Is consciousness a sub product of the brain or is there a duality? [duplicate]

I am trying to understand what consciousness is, based on my basic knowledge of our senses, artificial intelligence (computer vision, specifically) and some philosophy. Here's my reasoning: As far as ...
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97 views

What are the underlying mechanisms for optimism bias?

I have asked a question before about how does smoker's decision react to new personal health information. Link here. How do people estimate smoking's impact on their mortality? Now I have a ...
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1answer
84 views

How does the group that is not stressed and not reactivated act as a control for time in Schwabe & Wolf 2010?

Schwabe and Wolf (2010) Rodent studies suggest that memory reconsolidating is impaired by stress. Here we examined in healthy humans the effect of stress on the reconsolidation of ...
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127 views

Why is it easier to fall asleep in the dark?

I'm curious if there is any neurological mechanism that explains why falling asleep is easier in the dark. I recognize that this isn't true universally -- a phobia of darkness might make it easier to ...
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Does knowledge of tests like Iowa Gambling and Wisconsin Card-Sorting task enable a person to fake the test?

I am interested in tests like the Iowa gambling test and the Wisconsin card-sorting test. If a patient understands how such a test works and the goals of the test, does this bias the measure obtained? ...
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54 views

What is the neurobiological difference between Jungian Judging and Perceiving individual?

Jungian or Myers Briggs type indicator reserves the last letter of a 4 letter archetype to stand for Judging or Perceiving. Part of being a Judging type is punctuality - being on time, keeping ...
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122 views

How to set up a binocular rivalry experiment which splits a single image in two separately controlled ones?

The question is about the actual physical setup and steps needed to take in order to experiment with the phenomena. I found a tutorial on jove.com, "How to Create and Use Binocular Rivalry", and it ...
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How are humans able to read scrambled text/characters (e.g., CAPTCHA)?

So I'm doing a research on developing a new text-based CAPTCHA system. I've devised a scheme where characters in a text are broken/split individually and randomly, making it difficult for OCR machines ...