For questions about the encoding, storage, and retrieval of information in the brain. This tag encompasses research all the way from the molecular level in model organisms to abstract mathematical representations, and includes applied learning paradigms and tasks.

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12
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2answers
2k views

Which equation is Ebbinghaus's forgetting curve and what do the constants represent?

First off, I've come across two different forgetting curve equations. $$R = e^{-\large \frac{t}{s}}$$ where $R$ is retention, $t$ is time and $s$ is strength can be found on Wikipedia. And $$b = \...
0
votes
0answers
24 views

how to comprehensively assess three areas of cognition (attention, reaction-time, memory) on a daily, personal basis, preferably online,?

I am attempting to figure out a battery of tests that I can perform on myself on a daily/weekly basis to test whether any intervention I attempt on myself actually improves my cognitive performance. ...
0
votes
0answers
6 views

Expanding some memory type? (It's highly specific)

Speaking of all the research that has ever taken place in the various brain sciences and its implications, what are the known and verified or unverified but seemingly convincing ways to expand the ...
3
votes
0answers
32 views

Difference between content-addressable memory and associative memory?

Often when I'm reading theoretical neuroscience publications, such as "Towards an integration of deep learning and neuroscience", as well as "Memory and the Computational Brain", theorists often ...
1
vote
0answers
21 views

Relation between memory and creativity

What theories exist explaining the interaction between creativity and long term memory? I am especially interested in how, in creative work, a thought triggers a memory that may not be related to it ...
1
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0answers
43 views

Are there any papers showing that too much learning matters is bad for memory?

Does anyone know papers indicating that too much information is bad for the memory or even more precise - that too much learning matter is bad for the success of a student? I know a bit of the ...
2
votes
0answers
34 views

Can drastic changes in stress levels impact long-term memory? [closed]

Can going from a highly intensive and stressful environment to one which is calm and relaxed impact long-term memory or, specifically, one's ability to easily recall information? For example, I have ...
4
votes
1answer
58 views

Is it counter-productive to study while tired?

I've noticed I retain a much smaller fraction of the information I consume when I'm tired compared to when I'm well slept. Not only that, but I typically have to revisit the same material more times ...
0
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0answers
16 views

Are there any cases of having both an eidetic memory and good comprehension?

In my experience, having friends who have had the gift (or curse) of an eidetic memory, they could recite pages from books flawlessly but were unable to grasp the meaning. Similarily, I have found ...
13
votes
3answers
594 views

PTSD based on false memories

Memory is not just static snapshots or video on a harddrive, but an active process. As such, it is possible to construct false memories (Brainerd & Reyna, 2005). Some of these false memories can ...
6
votes
1answer
80 views

Is a network of neurons the only factor in memory?

Background I'm actually writing a science fiction novel set a couple decades in the future. Brains are not my field. I've done as much research as I could. In the story, the protagonist finds out he ...
5
votes
1answer
79 views

How accurate is this explanation of memory?

I'm no cognitive scientist, and this video I'm about to cite is certainly not claiming to be a good cog sci resource, but I have done some studying up on neurology and some of the parts of this guy's (...
2
votes
2answers
78 views

Way to influence readers subconscious to memorize technical data?

I'm writing a technical book. Is there any studies/books on how can I influence the readers subconscious to help them memorize the technical data easier? Preferably ways that do not involve images, ...
8
votes
2answers
26k views

Why are some people unable to easily memorize the lyrics to a song?

Although I have listened some songs hundred of times I can't sing the lyrics to any of these songs from beginning to end without pauses. However I am able to whistle the whole song without difficulty. ...
2
votes
3answers
126 views

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

I am looking for performance results from categorization studies with discrete stimulus features and reinforcement feedback. I need something like this: ...
2
votes
0answers
16 views

why we forget dreams when we wake up? [duplicate]

What is the explanation for which we forget easily our dreams when we wake up?. It has a biological sense, such as to avoid to confuse reality world experiences with dream world experiences? or there ...
3
votes
1answer
73 views

Information storage capacity of a neural network?

I seem to remember reading about some equation that states the amount of information that can be held by a neural network with n neurons in it arranged in l layers, or something vaguely like that (n ...
1
vote
0answers
35 views

What is a realistic mathematical function to model link decay in a social network?

I'm wondering (as a non-psychologist/cogsci programmer) what would be a good mathematical function to model the decay human relationships, or in other words, how people forget about people they don't ...
3
votes
0answers
9 views

Ebbinghaus like model for retention of details from experience

I've come across the Ebbinghaus Curve (forgetting curve) showing the retention of learned knowledge over time, but I wondered if there was the same kind of model for the retention of details from ...
5
votes
1answer
109 views

Can suggestion change memories?

I came up with this question because of my personal experience. I think it may help you understand my question better, so I will describe it briefly. Piece of metal When I was a kid, I (accidentally)...
4
votes
0answers
66 views

Why are there ads inside trams which ask me to use the tram?

When I sit in my local tram/bus/any public transport, I notice ads which ask me to use the transport system which I do currently use. Seriously, I'm already using it at that time. Why placing ads for ...
1
vote
2answers
74 views

Cognitive Models of learning Working Memory usage

Recently in deep learning, there's been a surge in learning how to use memories as part of the optimisation process (i.e. LSTM's and Stacks). However, these aren't really analogous to how a cognitive ...
9
votes
1answer
713 views

Intentionally making ourselves remember things that never happened

I've been reading an interesting book which makes mostly founded claims. However, there is no reference to any studies in regards to one of the following claims: according to the author, visualizing ...
0
votes
0answers
21 views

What combats Retroactive Interference?

All I've found is one sentence somewhere that said something like "more rehearsal." I've also read that the method of loci makes for "minimal interference," but no elaboration on why exactly nor how ...
2
votes
0answers
22 views

Do dreams improve upon memory and understanding by making the sensory experience MORE LIKE thought? [closed]

It is certainly a great fact/truth that the ability of thought to describe or reconfigure sensory experience is ultimately dependent upon the extent to which thought is similar to sensory experience. ...
2
votes
0answers
30 views

Deja vu and some specifics

Deja vu is the feeling of having been where you are presently at some point in the past (usually pointed to dreams because you often cant remember dreams). What would you call that distant memory you ...
0
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0answers
17 views

Could someone watch a movie so many times that they can replicate scenes in accordance with the sountrack?

Let's say someone gets extremely infatuated with Ice Age and decides to watch it over and over and over again, until the scenes are burned into their memory and they can sit back and listen to the ...
0
votes
0answers
12 views

Accuracy of memory traces in humans

When given a task that requires the recollection of an event and the person forgets the event, does the brain give them a trace of how long ago that event was which they forgot to recollect, as well ...
4
votes
0answers
192 views

Human memory - remembering sequences of letters vs numbers

There are 10 digits and 26 letters. In computer science you'd need 4 bits to store a digit value and 5 bits do store a letter value. Does the same apply to human brain? Is a statistical person able ...
0
votes
1answer
40 views

Is something not worth remembering?

Does it affect brain negatively if I remember unimportant things? In other words: Is the capacity of the brain (or just too much chaotic data densed together) sometimes a significant factor for an ...
6
votes
1answer
353 views

What causes an inability to recall a melody, beat, or music?

Background: I have never been able to recall melodies to songs. I can play a song over and over again but the moment it stops, I cannot remember what it sounds like. I am referring to the music/beat/...
1
vote
1answer
43 views

Can somebody provide a standard test to measure ones working memory & short term memory [closed]

I suffer from memory problem but find it difficult to undrstand whether it is more belief based or real, need a standard test to confirm.
2
votes
0answers
21 views

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

Is non-synaptic plasticity (e.g. changes in the spike threshold) believed to play a large role in learning and memory? If so, which roles are these effects believed to play?
1
vote
1answer
41 views

What is the best strategy to learn a technical material (IT)? (the exam will be multiple choice questions) [closed]

I need to learn for an IT exam. The topics cover a large number of related subjects covering around 10 books. Since I will never need to recall the entire material at once does it make sense to use ...
11
votes
1answer
2k views

What is the scientific term for unexpected, spontaneous dream recall?

I'm interested if there's a term for spontaneous dream recall. I will try to define the phenomenon I'm talking about. Over 10 years ago, I started to notice that I can spontaneously recall dreams, ...
1
vote
0answers
25 views

Is there a psychological concept about erratic (long term) memorisation?

I'm asking as much to improve my study skills as out of curiosity. Is there any research into when memorisation fails? Specifically, why the same person can sometimes routinely fail to remember ...
1
vote
0answers
45 views

Reciting Reverse Order Alphabet vs Reverse Order Counting

Observation A: It's easy to recite the alphabet. It's hard to recite the alphabet backwards. Observation B: It's easy to recite the number 1 to 26. It's easy to recite the number 1 to 26 backwards. ...
5
votes
1answer
3k views

What is a “delayed match-to-sample task”?

This question talked about how a "delayed match-to-sample task" can be used to measure an animal's working memory. What is a delayed match-to-sample task and how can it be used to measure working ...
6
votes
4answers
305 views

How do memories come up for no apparent reason? Is this evidence that we remember everything?

As I was driving, all of a sudden the name "Holden Caufield" came to my mind. It sounded really familiar. I googled the name and it was the main character in The Catcher in the Rye. The last time I ...
1
vote
1answer
63 views

Re-arrangement of brain's functions

In a neuroscience class, I was told that if some part of brain gets damaged somehow and its early enough, the functionalities of that part of brain are rearranged to another part of the brain. This ...
3
votes
2answers
64 views

How does the order of words influence our ability to remember a question once it's asked again?

I'm about to send out surveys that I need for a project and these will be sent out every season - winter, spring, summer, fall - each supposedly having the same questions. It's quite likely some ...
4
votes
1answer
56 views

Which intervention improves the ability to remember names the most?

Is there research about psychological interventions to help the average person remember names? If so, which intervention or interventions have the best evidence base to support them? Are there good ...
5
votes
1answer
96 views

Do dreams repeat/continue? Or is it just a perception that a dream repeated?

During lucid dreaming, we sometimes feel that it is a repetition of (or in someway related to) a previous dream, but when we wake up, we can't recollect the first instance of such a dream. Why is this ...
2
votes
1answer
31 views

Able to type promptly, but doubt validity when spelling it out?

I was unable to frame a search query for my question, hence decided to post it out here. I am normally able to type passwords, numbers and other tiny bits of text very fast. However if I have to ...
1
vote
1answer
84 views

How is information stored in the brain

I believe information in computer is physically stored as a lattice of "boxes". Each box is either magnetized or de-magnetized. The computer reads this to retrieve and consolidate useful information. ...
1
vote
0answers
22 views

The amount of information in a human brain

I have little background in the life sciences. I was told by a more informed person that the human brain can store an infinite amount of information. Doesn't this violate the laws of physics. If the ...
1
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0answers
13 views

Best ways to remember dreams [duplicate]

What are the best techniques to recall dreams? I am especially interested in scientific research that would prove their effectiveness
8
votes
3answers
248 views

How to better remember your dreams?

Often times, I wake up with an amazing, yet fleeting glimpse of a dream I had. I would like to recollect those events I had in my dream, and try to adopt ways to better remember those dreams. There ...
4
votes
2answers
122 views

Best ways to improve memory

I've once watched a movie in which CIA agent went into a room just for a few seconds and on the next day he could recall every detail of that room, including what was on the monitors. And I am ...
4
votes
1answer
117 views

Are all conscious experiences stored as memories?

There are people with supermemories, called highly superior autobiographical memory (HSAM), i.e., the detailed recollection of events that occurred in the distant past. Although the recollection of, ...