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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29 views

Does short-term memory decrease after working memory, or does it decrease before working memory?

I see contradicting claims. This book shows working memory peaking in 20s, short term memory peaking out later (not doing badly until one's 40s), but this paper shows STM peaking out earlier than ...
3
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2answers
116 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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1answer
2k views

Why do humans' eyes enter an unfocused gaze when recalling a memory or imagining something?

The question is self-explanatory (I hope). Is this trait unique to humans? Does the direction of the unfocused gaze indicate anything about which physical part of the brain is being utilized? Is ...
3
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1answer
41 views

What is the phenomenon that one can recognize a movie after seeing a scene for a fraction of second called?

I have experiences that while I was walking around the street, I saw a scene on a TV for a fraction of second, and I instantly recognized the correspondent movie. This is very interesting since at the ...
3
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1answer
103 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 ...
3
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1answer
81 views

What is the lifetime of the synapse in the mature brain?

I know there is synaptic plasticity in the mature brain. There is a great number of plasticity mechanisms like LTD and LTP, acting on different time scales. Apart from the synaptic weight change, ...
3
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2answers
308 views

Why do people get syllables mixed up when trying to recall words?

This question is related to this question. It could be a dupe, but I am more interested in whether this is a form of "dyslexic" thinking (for want of a better expression)? I posted this question on ...
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2answers
125 views

Can you retain a large number in your head for an extended period of time without distortion?

If someone where to recite "794 times 869", they might struggle to retain the numbers pitch perfect in their head as I perform the calculations. Are there any exercises one could perform to improve ...
3
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1answer
84 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 ...
3
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1answer
328 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 ...
3
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1answer
200 views

Do repressed memories exist?

Is there such a thing as repressed memories? Suppose a person undergoes a traumatic event (e.g failing out of school, having a relative die suddenly). Is it normal for the person to act as if ...
3
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1answer
135 views

Should fantasy distractors be avoided in multiple choice questions

Is there any reason not to include fantasy distractors (made-up wrong answers) in multiple choice tests. Examples: What is the name of the compound HCl? a) Hydrochloric acid b) Chlorohydride acid ...
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78 views

Enhance recollection abilites

I hope this is a good way of asking this question. I am not generally the guy with the best memory out there, so I looked a bit into it and I am concluding my recollection phase is the weakest. It's ...
3
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2answers
254 views

Memorizing sets of items

It is often useful to memorize a set of items. Many times ordering is not important and we need to memorize a lot of sets. I already know a method for memorizing lists where we memorize an item for ...
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0answers
9 views

Classical conditioning paradigm for hippocampal learning

I wanted to know what a suitable classical conditioning experiment would be to analyze learning and memory capabilities in rodent models with respect to hippocampal long-term potentiation. For ...
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0answers
21 views

Measuring short-term, long-term and sensory memory in adolescents?

I would like to measure the short-term memory, long-term memory and sensory memory of children between 10 and 15. If possible, I would prefer a single test or battery. What tests are used to measure ...
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56 views

Long term effects of using modafinil on cognition

What are the Long term effects of using stimulant like modafinil on cognition abilty?
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48 views

Can long-term antidepressant use reduce memory and emotion?

Can long-term (~3-4 years) antidepressant use reduce memory and emotion?
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108 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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26 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 ...
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0answers
101 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 ...
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0answers
61 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 ...
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0answers
56 views

Is there difference between a memory of a dream and memory of waking experience?

I'm very interested in dreaming and have pretty good dream recall. This makes me able to recall and distinguish hundreds of experience within my memory and label them as "dreams". I'm trying to ...
2
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1answer
213 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 ...
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2answers
97 views

How does knowledge about a subject aid in its recall?

I've experienced it many times with my students and also with myself. Let me illustrate with example: When I'm teaching, I say something like this: Gastrointenstinal Track has following sections ...
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2answers
109 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
85 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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2answers
373 views

Encoding of abstract concepts in memory

When you read a book and you want to remember it you can encode the information into mental pictures with associations. This is a technique for remembering the content. The problem is when you ...
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1answer
45 views

Is it possible to bridge implicit and explicit memory?

It is self evident, from the various studies of Skinner and Pavlov, that a traumatic - or one of a similar nature - experience possesses the tendency to reside within certain schemas through the ...
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1answer
44 views

If sleeping is related to 'saving information' you've experience, is forgetting related to more energy?

So I was watching this youtube video (Only check 1:05 - 1:25) where it suggested we sleep because the brain needs rest to save/process all information we perceived throughout the day. I directly made ...
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3answers
85 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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2answers
159 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 ...
2
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2answers
89 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 ...
2
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1answer
391 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 ...
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2answers
371 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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1answer
86 views

How did Ebbinghaus decide on his number of words in a series?

Herman Ebbinghaus discovered the forgetting curve, by memorizing series of non-sensical syllables like "zod", "byh", "tef", etc., and than seeing how long it took to forget them. The results are ...
2
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1answer
160 views

What is the typical relationship between time and remembering details of events from the past?

When I try to recall details for the past few days, I can recall today's events well, yesterday's events less well, and when it comes to the day before, things start to be fuzzy and this is as fuzzy ...
2
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1answer
44 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, ...
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1answer
64 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 ...
2
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1answer
111 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 ...
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1answer
127 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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3answers
123 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 ...
2
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1answer
46 views

What percentage of systematic data starts to be considered random

There is a set of 100 different objects in a box. I pull out 99 of them randomly and place them on a table and ask a person to take a look, then I put all objects back into the box. After a short (5 ...
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0answers
34 views

Spreading Activation Theory

Two questions, (im trying to get my head around this area of study, my assignment is on neurophysiological differences of t/f memory not theories, but reading up on the topic has had me thinking and I ...
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0answers
76 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
29 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 ...
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0answers
57 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
32 views

What causes varying degrees of recall of text when speaking aloud versus mentally?

Background: When i try to recall some memorised passages from a book, I find that some memories are best recalled when i speak aloud and some when i speak inaudibly in my mind. What causes varying ...
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0answers
50 views

Why do people remember things when they stop trying to remember? [duplicate]

I posted this question on SE English: Antonym for ameliorate I had been trying to recall a word and it's recollection kept evading me. I remembered the word as soon as I posted the question; which ...
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2answers
184 views

Is the ability to discern between living and non-living things learnt or innate?

This question What optical features do we use to distinguish “life” from “non-life”? on Philosophy SE prompted me to write this question. The question poses, do we recognise a living thing, from ...