2
votes
1answer
49 views

What makes trippy audiovisuals trippy?

There are quite a few videos on YouTube (search "trippy videos") that feel "trippy". From what I've heard, some psychedelic artists are just reproducing what they experience when they trip on drugs ...
7
votes
1answer
115 views

Phase locking value (PLV) between $x(t)$ and $x(t-T)$

I have been trying to calculate PLV using the hilbert transform (reference). To test if it even works or not, I calculated PLV between $x(t)$ and $x(t-T)$. i find that it drops to zero very quickly as ...
4
votes
1answer
105 views

Does the brain need more sleep after heavy load?

Does the brain require more sleep in the following night, if you have used a lot more of its capacity that day than usually?
4
votes
1answer
402 views

Survey Questionnaire design - What are the alternatives to Likert scale in measuring attitudes?

I work in Social Science Research (Management) In my school, Likert Scale is extensively used to measure attitudes.(Strongly disagree to Strongly agree). So, I kind of assumed that it's an absolute ...
2
votes
1answer
60 views

Is there an explanation of why some colors seem to move forward/backward on a 2D plane?

I am a painter and digital artist working with color and colorimetry. Recently I noticed HUGE "illusions" (impressions of depths) in a print composed of very saturated colors, that I programmed to ...
0
votes
1answer
134 views

Is there a term for people who hate (or don't prefer ) things that are mainstream?

There are people who hate (or don't prefer ) things that are mainstream, is there a term for them ? Any references to cognitive reasons for some people being odd in that way would be helpful.
7
votes
2answers
74 views

aftereffects of auditory adaptation

Adaptation is a very robust feature of sensory processing: when a stimulus is displayed for a prolonged period, or repeatedly, the neural response to it will diminish. This process creates a local ...
2
votes
1answer
233 views

Do Jewish people have better cognitive abilities than average population?

Jewish people are overrepresented in politics and science especially in the United States. Do they have better cognitive abilities than average population? If yes, what is the reason for this? ...
-1
votes
1answer
76 views

The best “negative motivation” movies (or books, etc.)? [closed]

Requiem for a Dream is the best negative motivation movie I ever seen. This movie really helped me. And recently I started to notice that negative motivation is the only type of motivation that ...
4
votes
2answers
141 views

Measurement of phase difference between two signals using cross correlation vs. fourier transform

I am studying eeg signals with the aim of distinguishing between preictal and interictal epilepsy states based on the eeg signal. I have read some papers and one of the metrics used to distinguish ...
0
votes
1answer
147 views

Detect an imagination EEG signal

Is there an EEG brain signal that has specific features resulting from imagination? For example, if a subject sees a car and imagines that the car is moving left. Could we capture this signal and ...
2
votes
1answer
103 views

What is runaway excitation?

Can someone give me a brief explanation of this term? Found it in a paper but there doesn't seem to be an explanation that is consistent out there to my knowledge.
2
votes
0answers
28 views

Perforated patches: Can antibiotics used to induce holes in membrane produce perforations of differential size? [closed]

Perforated patches are a special type of patch clamping. I understand that it is sometimes preferred to whole-cell recordings because it prevents complete diffusion of the electrode solution into the ...
2
votes
1answer
13 views

How is memory accounted for in the NEF?

The Neurological Engineering Framework can be used to create systems that use memory in interesting ways. One system (Spaun) is able to memorize (and forget) lists much in the same way as humans do. ...
1
vote
1answer
76 views

reading an EEG dataset using EEGLAB

When I'm reading the documentation of importing events in EEGLAB from a file here I have noticed that when we used a stimulus , we must know which time we will apply it , since in the dataset file , ...
3
votes
4answers
128 views

Different neural structures for quick vs. methodical decision making

In the book "Thinking, Fast and Slow", the author claims that there are two systems of thinking. System 1 is quick, instinctive and emotionally driven while System 2 is more logical and deliberate. ...
3
votes
0answers
38 views

How does neurotransmitter distribution and usage vary thought the brain?

I understand that neurotransmitters are used to send signals between neurons in the brain and that some are used for rather specific functions. However, is the exact ...
3
votes
1answer
17 views

How well are neurotransmitters used in SPA?

How much does the SPAUN and the Semantic Pointer Architecture (SPA) that was used to build it take neurotransmitters into account? In the book How to Build a Brain, various inhibitory and excitatory ...
3
votes
1answer
18 views

How well does the NEF capture neuronal heterogeneity?

From what I understand of the Neurogical Engineering Framework (NEF), groups of neurons are used to compute functions. However, I'm not clear if these calculations take into account neurons of ...
1
vote
2answers
67 views

Clarification on the definition of sublimation?

I'm reading the wikipedia article on sublimation. The article says: In psychology, sublimation is a mature type of defense mechanism where socially unacceptable impulses or idealizations are ...
3
votes
1answer
83 views

Are recent affordable EEG devices any good?

I'm looking to do some research about flow and optimal experience with EEG. I don't have access to a lab and I was wondering if the new devices that are available to the public (i.e. Melon, Muse, ...
1
vote
1answer
764 views

What is the difference between behaviorism and cognitivism?

Recently I've been reading about the subject, and I have trouble finding a definite difference between the two. What is the difference between behaviorism and cognitivism?
7
votes
1answer
223 views

Can SSRI make things worse in the long term or cause delayed depression?

I found two articles that mention that taking SSRI for depression can actually make the depression worse. "Now Antidepressant-Induced Chronic Depression Has a Name: Tardive Dysphoria" on Psychology ...
1
vote
1answer
47 views

Is there a standardised test about emotion perception?

I'm looking for a standardised psychological test to measure how people react to positive and negative emotions. More precisely I want to use such tests to investigate whether an individual is very ...
0
votes
1answer
56 views

Concept maps. What exactly they are? [closed]

I would like you to recommend me a definitive book about concept maps. I've been taking a look to a wide variety but none of them seemed clear to me.
3
votes
1answer
45 views

Cognitive bias - Confirming the attitudes of your peers

Is there a well-studied cognitive bias that describes a situation in which a person expresses a positive attitude towards something because his or her's friends have a positive attitude about that ...
4
votes
1answer
77 views

What to call theory where next activity following a fun activity is also perceived as fun?

What is the name of the theory that states: "if someone is having fun beforehand, the next activity they do will also seem fun regardless of what the activity is." so like continuing fun... Any ...
1
vote
1answer
61 views

Name for compulsive need to mimic another's symptoms of illness?

I'm trying to research a particular issue that arises as a side effect of anxiety and depression. I'm finding it tricky to get information, mostly because I'm not sure what it's technically called (if ...
2
votes
1answer
28 views

What is the relationship between neurotransmitter release and resting potential in retinal bipolar cells?

Retinal bipolar cells are known to have resting potentials from which they can become more or less polarized. What I'm wondering is whether a bipolar cell's neurotransmitter-release rate is zero when ...
3
votes
0answers
120 views

How to work on a research problem while sleeping?

Put it more formally, how to let your mind subconsciously work on a research problem when you are not actively thinking about it, e.g., during sleep, dinner, walking, or shower? Often I hear stories ...
1
vote
1answer
107 views

So why might people post seemingly excessive concerns regarding the danger in their neighbourhood?

Background: The reason for this post is that I have noticed that many people have a desire to make that which is pretty safe seem dangerous. It is very perplexing to me. Despite holding a master's ...
2
votes
1answer
39 views

Determining the position of the calcium ion in the three dimensional space

Is it possible to determine the position of a single calcium ion or its population in the context of a three dimensional space with relatively good time frequency, say 1 Hz, taking into account ...
8
votes
1answer
101 views

Are some facial features more important than others in human facial recognition?

I'm often surprised by the human ability to correctly identify other individuals despite significant modifications due to ageing, hairstyle, injury etc. But, sometimes the addition of a beard and a ...
3
votes
0answers
26 views

What's the difference between divisive and soft normalization?

I know that recursive neural integrators (let me know if I need to clarify this term) can be considers soft normalizers, since their feedback loop means that any stimulus eventually saturates the ...
4
votes
0answers
32 views

What's the relation between BCM and Oja's learning rule?

A software I'm using has implemented two unsupervised learning algorithms, Oja's and Bienenstock, Cooper, Munro's (BCM) learning rule. I understand that they are two very different algorithms for ...
6
votes
2answers
161 views

How long do dreams last?

What is the relationship between time perceived in a dream and time in the external world? Is time running in dreams always faster than the time running in the real world? Is it ratio of real time ...
1
vote
2answers
71 views

Reference request in Circuit and Signals for Computational Neuroscience

In the area of computational neuroscience, there are basic theories from electric circuits and signal processing to be applied. For background study, which reference will be more suitable ? ...
4
votes
0answers
43 views

The role of Anticipation in acquisition, consolidation, retrieval of memory

I was wondering if there is any neurological/neuropsychological difference between the anticipation of an event to come, and the remembrance of that event. More specifically, is there any difference ...
2
votes
1answer
140 views

How are these review-forgetting curve calculated?

I saw quite some illustration about how reviewing helps remembering. Like: SOURCE: http://www.mentormegate.com/wordpress/2014/06/10/mentor-me-gate-the-forgetting-curve/ I wonder how are these ...
0
votes
2answers
106 views

Does the heart play a role in the occurrence of emotions?

It is a common belief that the heart is somehow related to emotions. When we are nervous,our heartbeat is effected (increased heart rate) and when we are happy, another pattern in heart function can ...
0
votes
1answer
35 views

What is an example of a learning machine that achieves zero variance?

I'm attempting to find an example of a learning machine/neural network that achieves zero variance, but I am having a hard time finding an example anywhere. Variance is defined as the generalization ...
3
votes
3answers
351 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 ...
1
vote
1answer
45 views

Pupillometry: how long needs the pupil to respond towards an cognitive stimuli?

I would like to know if somebody could give me some literatur advice about the latency response of the pupil after a cognitive stimuli. I know that the light reflex response is quiet fast compared to ...
1
vote
1answer
561 views

Why do we see unknown people and places in dreams?

People often see unknown things, places, and people in their dreams. How is it possible to have such perceptions in our dreams that go beyond our actual experiences and memories?
7
votes
2answers
217 views

Is there anything in Freudian psychoanalytic theory that is scientifically sound?

I guess this question is quite context dependent, and here in Sweden there is a general movement for more evidence-based psychology. I think one of our biggest medical universities recently abandoned ...
2
votes
1answer
43 views

Is cortisol an effective measure of stress for pre and post task performance?

I have a teleoperation system and I want to see how much stress a person is under before during and after operating it. I thought cortisol would be a correlate of stress. Can I measure levels rapidly, ...
1
vote
1answer
172 views

What is the best short (i.e., roughly 20 item) measure of Big Five personality?

What is the best short set of 20 questions that can give meaningful information about a person's big five personality? In case that's not possible with 20 questions, what's the minimum and where do I ...
2
votes
0answers
74 views

What happens inside our body, when we experience betrayal and infidelity?

I guess many of us have experienced it. The moment that you understand that "the person you love, in whom you've trusted, is now with someone else, enjoying every moment with him/her". It's so ...
0
votes
2answers
101 views

Why is it easier to learn something when you have a teacher explain it?

I find that things you learn in school are much easier to learn than before you take the course. For example, there is a mathematical theorem that seems unnerving when I self studied calculus, but the ...
2
votes
3answers
203 views

Why do people try to make themselves feel better by treating others poorly?

I'm looking for an explanation for why people will try to make themselves feel better by treating others poorly. For example, imagine a group of girls are sitting in a cafe. Within that group are two ...

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