14 votes
Accepted

What is the information storage capacity of the human brain?

Disclaimer: Quantifying the capacity of the human brain is quiet complex as you might imagine. And although in cognitive neuroscience we often compare the brain to computers this is not an exact ...
Comte's user avatar
  • 1,196
14 votes

Is post-traumatic stress disorder preventable?

Beta blockers (β1-Blockers) lower norepinephrine release (Berg, 2014), however it seems that the jury is still out on whether there is an effective and ethical way to prevent Post-Traumatic Stress ...
Chris Rogers's user avatar
  • 12.2k
8 votes

Is a network of neurons the only factor in memory?

Answer Yes, theoretically. Now According to my ongoing informal research, there are two sides of brain preservation innovation: 1) the preservation and mapping (building) the connectome; and 2) the ...
SoAwesomeMan's user avatar
8 votes

Can memorising a new thing erase existing memories?

Although this is quite an old question, I thought I would add additional information regarding this topic for consideration. As already noted, the storage capacity of the human brain is certainly ...
faustus's user avatar
  • 1,247
8 votes

Study claims that human brain does not produce new brain cells?

The hippocampus does make new brain cells, especially after aerobic exercise; there is an overwhelming amount of evidence for this claim (Erickson, Voss, et al., 2011; Firth, Stubbs, et al., 2017; ...
optimizedp's user avatar
6 votes
Accepted

Is memory biased towards positive or negative memories?

The short answer is: it depends on age. For younger adults, negative memories last longer than positive memories. The opposite is true for older adults (above 60 years old). This paper is a good ...
Sophy's user avatar
  • 1,151
6 votes

How accurate is this explanation of memory?

Really nice video and pretty much seems to be correct. The only thing that i am questioning is about the patterns. He says they won't exist after regeneration. However, just a thought: if you would ...
Robin Kramer-ten Have's user avatar
6 votes
Accepted

Does language learning improve or worsen the ability to remember and process information?

What I do not quite understand is: What is (according to Syka) "useless information" and how should we "avoid" this kind of information? Let me try and answer this as follows: During our lifetime, ...
Maria K's user avatar
  • 296
6 votes
Accepted

What is a Good Working Memory Test Online (or overall if none)?

it will be tricky to study your own improvement in working memory and I wouldn't suggest it! There is substantial research showing that although training can improve performance on specific cognitive ...
pep's user avatar
  • 569
6 votes

Is there an audio equivalent of eidetic memory?

I have been doing some research and this is what I found so far. First, the memory of sounds is called echoic memory (Alley Dog; Echoic Memory Definition) and is a form of sensory memory. This means ...
Liz D.'s user avatar
  • 385
6 votes

Why can't human thoughts be stored in metals?

First off, you mention 'metals'. What is a metal? In common speech, a metal is a shiny material that conducts electricity and heat well. In physics, a metal is regarded as a substance capable ...
AliceD's user avatar
  • 20.6k
6 votes
Accepted

How to measure the correlation between "spirituality" and the susceptibility to false memories?

Maybe what you are looking for is the field cognitive science of religion: Cognitive science of religion is the study of religious thought and behavior from the perspective of the cognitive and ...
Ooker's user avatar
  • 1,771
5 votes
Accepted

Is it counter-productive to study while tired?

Yes. When studying sleep is crucial in consolidating memories. Recently a wave of research and opinion has hit around optimizing learning, sleep is always mentioned as key. To prominent authors are ...
Reed Rawlings's user avatar
5 votes
Accepted

Are all conscious experiences stored as memories?

This question can be addressed in many ways. One approach that we have taken is to test memory for what has just recently happened a few seconds ago. In these experiments we ask people to find a ...
Brad Wyble's user avatar
5 votes
Accepted

Long-Term (Not WM) Memory Norms

Yes. A lot. A possible place to get started is the wiki page for Ebbinghaus, skip to "Contributions to memory". Ebbinghaus's work is kind of dated, like 1885 kind of dated, but the point is the ...
steveLangsford's user avatar
5 votes
Accepted

Opposite of White Bear principle?

Short answer Over-thinking Background Unconscious recall of information can be more effective than conscious recall of that same information. Disruption of the activity of the dorsolateral prefrontal ...
AliceD's user avatar
  • 20.6k
5 votes

What happens in the brain that allows access to a previous unavailable memory?

These kinds of research questions are interesting, but notoriously hard to investigate empirically, because: You need human subjects that are able to provide complex feedback, i.e., you can't use ...
AliceD's user avatar
  • 20.6k
5 votes
Accepted

Is there a specific term for the notion of storing "algorithms" in human memory?

This is called procedural memory. In textbooks, memory is often broken down into a hierarchy of types. Note that this taxonomy is primarily a guide to language use - ie, how types of memory are ...
Arnon Weinberg's user avatar
  • 19.6k
5 votes
Accepted

Faithfully recounting the events of the day

The thing recalled in your definition of faithfully recount seems to need sharpening since any successful pattern completion of such a thing (episodic event) is conditioned on its distinct pattern ...
cinch's user avatar
  • 297
4 votes
Accepted

Does the use of cannabis affect the ability to recall dreams?

Current research tells us that yes, cannabis will affect the ability to recall dreams. As for the negative - positive outcomes, it seems to be subjective. One of the few researchers in this field, ...
cogitovirus's user avatar
4 votes

Can dreams predict the future?

Short answer Dreams cannot predict the future. Background Likely you are referring to Deja reve ('already dreamed'), which has been hypothesized to be (Schredi et al., 2017): ...the distinct ...
AliceD's user avatar
  • 20.6k
4 votes
Accepted

Is it fair to categorize the neurons in the output layer of artificial neural networks as grandmother cells?

I would say it depends on what your goals are and what parts of the grandmother cell "story" you want to highlight. Sure, the output layer is grandmother-like because it can represent single concepts ...
Bryan Krause's user avatar
  • 7,376
4 votes
Accepted

How can different ion channels of the same type have different cell responses?

Quibbling about other types of LTP (not mediated by NDMA receptors) aside, this is a good question, with a rather intricate answer. Basically (NDMAR mediated) LTP is not merely activated by calcium, ...
the gods from engineering's user avatar
4 votes

Are memories stored as patterns of chemicals/emotions?

Understanding how memories are stored and retrieved in the brain is actually a pretty popular topic in neuronal dynamics. The mathematical theory of dynamical systems comes in handy here. A population ...
David Cian's user avatar
4 votes

Is aphantasia an inability to record memories, or an inability to recall memories?

It is neither: Aphantasia is the inability to voluntarily create mental images in one's mind. How this relates to visual memory is still under investigation, as is most everything about aphantasia, ...
Arnon Weinberg's user avatar
  • 19.6k
3 votes

What is the role of non-synaptic plasticity in learning and memory?

The answer is yes. Non-synaptic plasticity exists as you can read in "Non-synaptic neuronal mechanisms of learning and memory in gastropod molluscs" by Benjamin et al. and "Compartmentalization of Non-...
Dadep's user avatar
  • 213
3 votes

Categorization studies with a procedure similar to Shepard et al (1961) and Medin & Schaffer (1978)

Of course, the type of data you use depends lot on what your model purports to explain. The way i take your question, you are looking for straight up artificial classification learning experiments. ...
Nolan Conaway's user avatar
3 votes

Will Our Brain Speed Reduce As Our Memory "Mail Boxes" Fill Up?

There is research showing that Black Cab taxi drivers while training with 'the knowledge' (2 months on a moped with an A-Z, learning every road/route in London) grew larger areas of brain grey matter ...
JessH's user avatar
  • 51
3 votes

PTSD based on false memories

An answer I provided before on the possibility of recalling forgotten memories briefly talks about False Memory Syndrome and PTSD. As stated in the answer, Memory is not fixed as it is very ...
Chris Rogers's user avatar
  • 12.2k
3 votes

What is it called to think without language? Are there studies around it?

Well, obviously it's called non-verbal thought, and its most researched sub-topic appears to be visual thinking. In general, questions like are there papers about X are frowned upon when the choice ...
the gods from engineering's user avatar

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