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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26 views

Difference between Logan's Instance theory and Exemplar-Based Random Walk (EBRW) theory

I'm trying to find a clear explanation of the difference between Logan's instance theory (Logan, 2002) and the Exemplar-Based Random Walk theory (Nosofsky & Palmari, 1997). Am I mistaken that they ...
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1answer
28 views

How would losing episodic memory affect a person's functioning?

Episodic memory is defined as the difference between remembering and knowing. Roughly speaking, the criteria for episodic memory is a memory which you remember from a first person vantage point, ...
2
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0answers
49 views

The accuracy & malleability of memory for color

How accurate is colour memory for the standard person? It would seem most people are quite good at remembering the colour of objects by visualising the object. But in some cases peoples visualisation ...
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1answer
36 views

Does dream recall alter the dreaming process?

I've encountered the following phenomenon : within a single night of starting a dream journal again, my dreams became more numerous, recall improved and I'm waking up after each sleep cycle except the ...
2
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2answers
68 views

what is the data structure used by the brain to store data?

as a computer science undergraduate i was thinking if there are any special data structures used by brain to save data . i am specially interested in the data structure of hash tables . if some data ...
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1answer
25 views

What to call memories of oneself or life without a personal context? [on hold]

Does there exist a known phenomenon where memories of the self and life exist, but lack an emotional/personal context? If so, is this phenomenon at all common, and what is it called?
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1answer
29 views

Is there a technical term for when the brain recalls an incorrect, but almost correct answer when trying to recall a word/name?

For example: If I was trying to recall the name Elaine but instead only the name Ellen could come to mind. It's as though I know 'where' the memory is, but since the memory is poor and so similar to ...
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0answers
33 views

Is memory biased towards positive or negative memories?

I am trying to understand the relationship between positive/negative memories and the congruence of memory to existing beliefs. These quotes are from Wikipedia, presented in alphabetical order: ...
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15 views

What's the purpose of worry [if there is any] and how and why does it affect cognitive skills?

I've read some articles lately about worry and how there are basically two types of worry: one doesn't last long and makes you decide to do something ,solve a problem,act on it the other one last ...
3
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0answers
27 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
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1answer
29 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 ...
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1answer
69 views

Brain after (electrical) blackout

I was wondering what happens if we lose all electrical impulses in our nervous system for a minimum amount of time. So first of all it is obvious that we will break together, as we are dead while we ...
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1answer
65 views

Memory - Remembering a Source

So I study information systems technology, networking, programming, system security as my main focuses on school with a lot of reading material and a ton of independent research. My major problem is ...
4
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1answer
41 views

Study of recollection of drawings based on labels

I remember stumbling across a very interesting study/experiment a few months ago. Now I want to try to find it again. Unfortunately I cannot for the life of me recall the name of the experiment nor ...
2
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1answer
160 views

Does learning too much useless information weaken my memory?

From what I understand, since we receive a lot of information every day, our brains are tasked with remembering the few important bits and ignoring (or forgetting) everything else. I also know of ...
3
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1answer
68 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 ...
2
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2answers
150 views

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

I think there are two types of thinking: With and without language. For my entire life, in my opinion I have always thought without language. Some ppl say its impossible and that we think with ...
8
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1answer
48 views

How actively does your brain physically prune connections?

Is pruning defined as neural apoptosis or are connections (neural synapses) simply separated? At what rate, if known, does this occur in individuals (ages 18+)?
4
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1answer
47 views

Reduction of the hippocampus due to childhood neglect/abuse

A Scientific American article, "Childhood Stress Decreases Size of Brain Regions", by Christie Nicholson briefly mentions the implications of childhood neglect and abuse on brain structures. I was ...
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0answers
26 views

How to web scrape images of famous individuals to build mnemonic dominic system?

I know the following question may not fall into the Cognitive Sciences community, but perhaps you have went through this situation, and could have an answer. I am building my system of 100 names ...
2
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1answer
123 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 ...
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1answer
31 views

Difference between real time and old information processing in the brain

Can we differentiate between the following two processes? Brain receives information via senses, such as eye, ear, nose, skin and tongue. That is, vision, hearing, smell, touch and taste. Brain ...
0
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3answers
117 views

Where is knowledge of how the brain works stored?

If we are our brains, and our brains know how they work, this means that this information is stored somewhere in the brain, like the inferior temporal cortex is the part of the brain that recognizes ...
8
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1answer
109 views

Why do dreams lose clarity quickly over time after we awaken?

Right after you wake up from a dream, you seem to be able to remember most if not all of the details. Then, over time, these details fade and often disappear. Is this a form of regression? Why is ...
2
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2answers
105 views

What is the name of the condition where you feel like you have been somewhere before?

It happens many times when you visit a place you have never been before, you feel subconsciously you have been there already. And the events and people you are ...
2
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2answers
73 views

A type of long-term memory where I can remember full dialogues

My female colleague cannot remember a discussion (dialogue) from a couple days ago or even yesterday, much less the full, exact sentences spoken. She jokes about having sclerosis. I can remember many ...
3
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2answers
112 views

Is learning and memory formation mostly comprised of new synapses forming, or already-existent synapses strengthening?

I'm guessing it may be some combination of the two. If so, which is the more frequent situation? I'm also guessing it varies depending on the type of memory being formed. Let's take for instance, my ...
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2answers
118 views

Where do our memories get stored and how are they retrieved again?

There is a common knowledge that several brain areas are involved in memory processes and each area is involved in a different aspect of memory. But where do our memories get stored and how are they ...
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2answers
39 views

Which are the specifics of a memory that are lost first?

Background: In the last few days, I came across an experience that made me wonder how our brain manages "memory resources". As time progresses further from an experience I've had in my life, I ...
2
votes
1answer
98 views

What test could I use to measure the short-term memory capacity of a group of people?

I want to start a project about the best schedules for learning activities focused on college students. Since sleeping patterns are totally different in a young adult/teenager, and many of the classes ...
2
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0answers
67 views

Are partially forgotten memories still in your brain?

I have read articles such as... http://www.wired.com/2009/09/forgottenmemories/ and they say forgotten memories are still stored in your brain. What about partially remembered memories. For ...
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0answers
86 views

Does the self-reference effect extend to improved recall of 2nd-person text vs. 3rd-person text?

The self-reference effect has been widely researched in marketing for its ability to improve how favorably consumers remember a message, but less so for its ability to improve recall and learning of ...
4
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1answer
67 views

What are the predominant cognitive effects that influence textual learning and recall?

I am a rulebook writer and editor, and I have been digging into the literature for cognitive effects and heuristics that affect one's ability to learn and remember complicated concepts from text. For ...
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0answers
24 views

Is there any scientific evidence that nootropics improve synaptic plasticity / learning ability? [duplicate]

I'm attempting to learn a very specific skill (perfect pitch) and I'm considering nootropic supplements. While I can find plenty of websites offering these supplements and making big claims, I can't ...
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3answers
113 views

Is there a method to count objects without a pattern?

Is there a method in mnemonics to quickly find out the number of objects in, for example, a heap of tooth picks. There is this scene in the movie Rain Man, where the autistic protagonist can tell the ...
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2answers
84 views

Can dreams be memorised?

Would it be possible to activate the human memory and "access" it by means of encouraging certain hormones, to assist a sleeping body to memorize dreams and later (meaning minutes, days, months or ...
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1answer
33 views

Why past events reappear in dreams after a certain delay?

I know that Freud in his "Interpretation of dreams" provides a number of examples of events influencing dreams several days to several months after the event has occurred. For example, a person sees a ...
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0answers
25 views

Is there any treatment for cognitive difficulties of patients with Parkinson's disease?

I've read some articles and science papers about Parkinson's disease and found out that many patients often have cognitive difficulties, if not all of them. For memory difficulty, medications to treat ...
2
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3answers
70 views

Does stress impair your short term memory?

I have noticed frequently, when in a very stressful situation (particularly emotional stress), I will forget things very quickly. To give an example: Recently, I got in a heated argument with a ...
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0answers
37 views

How long does it typically take before a new environment starts forming part of one's dreams?

Background : I have noticed that when I move to a new environment (e.g., when I get a new job or relocate to a new country) that it seems to take a few months before the experiences of the day and my ...
2
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1answer
64 views

Effectiveness of spaced learning when the data have personal meaning

There is much study of spaced learning (expanded retrieval, spaced retrieval, spaced repetition system, gradual-interval recall, etc), and much of the discussion is about around the optimal ...
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0answers
43 views

Early Alzheimer's and cognitive remediation programs

Early symptoms of Alzheimer’s disease (AD) includes the loss of short term memory including prospective memory. On a physical level brain cells are being destroyed and that disrupts the neural ...
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0answers
49 views

What is the relationship between topographic maps and sensory memory?

Sensory maps are defined functionally: they exist for a certain time window, are overwritten quickly, are generally inaccessible to introspective control. Topographic maps are defined biologically: ...
3
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0answers
54 views

What brain regions are activated when a dream is remembered?

Some people remember dreams, others don't. The same person can wake up with dream recall one day and without on other days. I know that the association between REM sleep and dreaming was initially ...
3
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0answers
55 views

How long could Henry Molaison keep his memory of the present?

I'm talking about Henry Molaison (HM), the famous memory research patient. I hear that he could converse normally with a researcher until he "got distracted", at which point he no longer remembered ...
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1answer
237 views

Is it possible to permanently improve long-term memory?

Many similar questions here ask either about working or short-term memory, or about various tricks and techniques to efficiently remember information. My question is, is it possible to improve the ...
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0answers
28 views

Advantages accessing information at “specific places” vs “anywhere”

I'm trying to find arguments supporting the advantages of accessing information only at specific places as opposed to being able to access this information anywhere, for example using smartphones. ...
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0answers
14 views

Any research showing success teaching with smell?

CogSci holds that smell is the sense that has the most strong/immediate capability to trigger memories. It is discussed, in awe. We see anecdotes such as the sudden striking memory of sitting in your ...
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0answers
76 views

Can learning too much cause the information stored in our brain to become chaotic or tangled?

Although a complete novice in brain science, I have been curious. My question might appear to be similar to this previously asked question, but I believe I am addressing a different case. The ...
3
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1answer
173 views

Are words and ideas written in a distinctive font easier to remember?

I read that serif fonts have more distinctive characters, and I was wondering if, at the brain level, the fact that something is written with more distinctive characters would be more easily ...