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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1answer
74 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 ...
0
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0answers
13 views

What is the relationship between the one's ego, amygdala and consciousness?

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 ...
0
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0answers
74 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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0answers
14 views

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. ...
2
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0answers
11 views

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 ...
2
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1answer
31 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 ...
2
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0answers
44 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 ...
7
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1answer
35 views

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 ...
3
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1answer
76 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 ...
3
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1answer
54 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 ...
2
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2answers
92 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, ...
3
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2answers
85 views

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?
3
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3answers
267 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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4answers
138 views

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 ...
5
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1answer
57 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 ...
4
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1answer
62 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 ...
4
votes
1answer
39 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 ...
7
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2answers
60 views

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 ...
2
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0answers
54 views

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 ...
2
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1answer
85 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 ...
2
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0answers
62 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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0answers
12 views

Categorical perception&formation of concept

In formation of concept, how does categorical perception intervene? Any interaction between the two processes?
1
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1answer
48 views

Practical ways to increase Mental alertness? [closed]

Are there any scientifically proven exercises which can improve mental alertness and awareness naturally? please share!
2
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0answers
65 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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0answers
32 views

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 ...
5
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2answers
107 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 ...
2
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1answer
60 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 ...
4
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1answer
94 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 ...
7
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1answer
123 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 ...
4
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1answer
41 views

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? ...
3
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0answers
17 views

Neurobiology of addiction recovery

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 ...
2
votes
1answer
53 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 ...
7
votes
1answer
119 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 ...
5
votes
2answers
116 views

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 ...
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1answer
40 views

Reading words without pronunciation

I have been trying to practice speed reading, and found the removal of subvocalization technique, but it seems almost impossible to understand words without pronouncing them in my head. I think our ...
8
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1answer
246 views

What cognitive processes occur during a mental exhaustion or 'burnout'?

Mental burnout - or mental exhaustion is not very pleasant, when one feels completely overwhelmed, something 'snaps' and it is hard to concentrate and maintain motivation. What are the cognitive ...
2
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0answers
72 views

What makes disengaged participants tired / exhausted after corporate meetings?

Why do disengaged people feel tired, fatigued or unfocused after long, "boring" corporate style meetings? (there is an agenda, but not everyone participates?) Over the years I've observed dozens of ...
3
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1answer
108 views

Do different methods of testing memory for character sequences result in different brain activation?

Assume a certain sequence of N characters, displayed on a screen one by one, that should be memorized. The speed of the display is such that it doesn't produce much extra stress. You may assume that ...
4
votes
1answer
134 views

Why do con artists like Frank Abagnale Jr. not feel guilt?

I just finished watching a video of Frank Abagnale Jr discuss his life history. Who knows if its true, but it is an amazing story. For those who don't know, Frank Abagnale is one of the most infamous ...
6
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2answers
115 views

The “Backwards Bike” and implications for how we think

Here's a video of a guy learning to ride a "backwards bike", if you turn the handles left, then the wheel goes right. It took the guy forever to learn to ride a backward bike. He kept remarking that ...
3
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1answer
70 views

Is there a part of the human brain responsible for triggering imagination, fantasy and coming up with unusual stories?

I'm trying to understand if there's a specific process or part of the human brain which, when activated, causes the person to daydream, engage in fantasy or come up with ideas that are far from common ...
5
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0answers
33 views

Continuous Basic EEG analysis [closed]

So, I have continuous EEG data from a control group and a test group. The recording was done while the participants were at rest, so no task was performed. I want to start with some basic analysis, ...
4
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1answer
44 views

Are there any studies (fMRI scans, etc) showing why some people (supposedly) are more open to hypnotism?

In this article published in Harper's magazine back in 1996, journalist David Foster Wallace described his experience with hypnotist Nigel Ellery (see the last section of the article, titled "THE ...
10
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1answer
85 views

What salient features of a {conditioned stimulus,unconditioned stimulus} pair are represented in the lateral amygdala?

In classical conditioning, a conditioned stimulus (CS, e.g., a tone) is presented just before an unconditioned stimulus (UCS, e.g., a mild toe pinch) in repeated trials, such that the CS will ...
5
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0answers
82 views

What cognitively interesting event-related potentials at FP1, FP2, TP9 or TP10 can be measured with consumer-grade EEG hardware?

I'm looking for cognitively interesting event-related potentials at places like FP1, FP2, TP9 or TP10 that can be measured with consumer-grade EEG hardware. Right now I have an Interaxon Muse EEG and ...
7
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2answers
116 views

How does masking work?

Masking occurs when the delay between the target and the mask is less than a threshhold (say 50 milliseconds). If sensory data passes from lower to higher visual cortices/processing regions as in a ...
6
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2answers
171 views

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 ...
4
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1answer
88 views

What are the neural substrates of retrieval induced forgetting?

Retrieval-induced effects It is well known that practicing retrieval of remembered items increases the probability of correctly recalling that item in future tests: the testing effect. ...
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3answers
190 views