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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1answer
56 views

What is the psychological function of nostalgically reenacting activities from before we were born?

I'm asking specifically about nostalgia for a time before you were born, e.g. the Blitz parties / 40s tea dances that have big in the UK for the past decade, or the popularity of Speakeasy-themed bars ...
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1answer
61 views

Is it good practice to try to recall things when we are tired?

Background. It happens often that, at the end of the day when I return to home, I try to recall past events that took place that day or the day before (memory rehearsal), but surprisingly I find that ...
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5answers
563 views

Why is storytelling an effective way to transmit information between people?

Parables, fables, myths, whatever you might call them, stories have always been part of human consciousness. Within recent decades, storytelling is recognized as a big component of advertising and ...
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1answer
76 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 ...
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1answer
66 views

Regarding “a human brain can hold enough information to fill 10 libraries”, can we quantify the memory required for a given task?

It is not the exact phrase, but I have heard variations of this claim. I am wondering whether such claim is supported by a study or experiment. I am also curious if there is a way to sort of vaguely ...
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0answers
18 views

Is recall for an appropriately color coded string of symbols a good measure of level of synesthesia?

The Wiki page on Grapheme–color synesthesia says: ... one recent study has documented a case of synesthesia in which synesthetic associations could be traced back to colored refrigerator magnets. ...
3
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1answer
43 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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2answers
170 views

Does writing something on computer help memorize it?

There is an interesting question on this site: Does writing something down help memorize it? Now my question is, does writing something on computer (i.e. using Word, Notepad, ...) help memorize it? ...
4
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1answer
77 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, ...
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2answers
397 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 = ...
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1answer
82 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 ...
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2answers
529 views

Are mnemonics by creating associations good for memory?

I read a book which says that to remember the lists of arbitrary objects, we should take a well-known ordered list (so that you know what is on the first place, what is on the second) and associate ...
3
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1answer
75 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 ...
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2answers
827 views

Is remembering a list of words an example of semantic or episodic memory?

I'm having a hard time making a clear distinction between semantic and episodic memory. When presented with idealized examples, I find the breakdown clear; describing a trip to Paris is an example of ...
4
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1answer
111 views

Is implicit and explicit memory a useful distinction?

In principle I understand the distinction. Implicit memory is not consciously recollected but has an automatic character i.e. while I'm solving a task in math, I'm automatically using the concept of ...
2
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0answers
30 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 ...
2
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2answers
155 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 ...
2
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1answer
130 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 ...
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0answers
63 views

Optimal learning time per day [closed]

Is there any 'value' for optimal learning time per day? I'm thinking of something like attention span, but more general.
3
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1answer
1k 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 ...
4
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3answers
572 views

What exactly is IQ, and how to develop or improve it?

Some people are said to have exceptionally high IQ. What exactly is that supposed to mean? Is it possible to develop high IQ if one doesn't have it? If yes, then how?
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2answers
216 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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0answers
48 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 ...
4
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1answer
108 views

How does chronic stress improve memory processes?

There seems to be more information on the detrimental effects of stress on memory. There is evidence to the contrary. Stress effects on memory: an update and integration. Schwabe L, et al doi: ...
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2answers
384 views

Is photographic memory possible?

Photographic memory is a fairly well known phenomena, but is it theoretically possible? In Marvin Minsky's The Society of Mind claims it is a myth: "...we often hear about people with ...
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2answers
108 views

Retrieving information: how can we know so fast that we don't know something?

If someone asks us something that we don't know, how can we know so fast that that's the case? Shouldn't we spend a considerable amount of time scanning our memories until we realize the information ...
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0answers
92 views

Is abstract knowledge incompatible with literal memorization?

Let me describe 2 interesting cases : Solomon Shereshevsky (Luria, 1968 - the Mind of a Mnemonist) had an almost perfect literal memory. He remembers strings of hundreds of digits for years after ...
3
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3answers
111 views

Failing to recognise one's own work

Disclaimer: This is not a self help question, I am using myself as an example to illustrate my question. Example: I have posted many questions and answers on this site within a relatively short ...
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2answers
276 views

Why do we not remember things from the first couple of years of childhood?

As parents of a soon-to-be three-year-old, my wife and I spend a lot of time planning activities and trips for our son. However, my wife wanted to hold off on some of the big ones (i.e. Disney ...
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2answers
104 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 ...
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1answer
78 views

How does recalling a specific memory decrease depression?

Research by Serrano et al (2004) indicated that older adults with depressive symptoms showed that with increased specificity of memories, individuals show decreased depression and ...
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3answers
188 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 ...
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1answer
68 views

The comfort and appeal of vintage objects?

The vintage culture has grown very large in the last 10 years, with all sorts of collectables from furniture, to homes, to old signs and toys. Just watch the show "American Pickers" to get an idea of ...
3
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0answers
159 views

Steady State Topography and Advertising/Preference: Weaknesses? Criticism?

Steady-state topography is a derivation of EEG/ERPs using an evoked potential to an ongoing oscillating stimuli called the steady state visually evoked potential (SSVEP). Variations in the phase ...
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0answers
28 views

Are there modern cognitive techniques for dealing with searching for information online?

"Google it" is a common response to questions nowadays, and it indicates that people are more and more reliant on the internet for all kinds of information. Frequently this information is not ...
3
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1answer
188 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 ...
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2answers
127 views

Is it possible to create artificial thoughts in a childs mind

What I mean is, is it possible to create memories in a childs mind, memories which a child grows up to remember as real events, when infact those events never happened in real life? For example: If ...
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4answers
1k views

Is multitasking a myth?

Often, the term 'multitasking' is applied to very busy and 'wired' people. There is an adage that women multitask better than men. My question is, do we actually multitask? If so, what are the ...
4
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2answers
76 views

Is there a function between loss of memory and time?

I have 2 related questions with regards to memory capabilities and time: "Is there a function (e.g. $e^{-\Delta Time}$) with regards to memory loss?" Everyone is bound to forget over time. Is there ...
7
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3answers
132 views

Does a person's brain still contain a record of daily events?

Does a person's brain have a record of every event that happened during a person's lifetime? Is it possible to recall any of those events and is it possible to recall those events in detail? For ...
7
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3answers
319 views

How much can users hold in their short term memory

I recently undertook a questionnaire and was asked a question about short term memory. One that I just can't find an answer to at all as it seems to be so contradictory. This got me curious. How ...
3
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1answer
201 views

How much time is required to relearn a subject after x years?

I'm searching for research answering or giving any form of insight to this question: How long does it take a person to relearn something (any type of learning) when relearning happens x, x+1, ...
6
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3answers
239 views

What causes an individual to not be able to hold all the details of a large project in memory?

Background: First of all, I'm not in any kind related to cognitive science, I'm a programmer. I'm not even sure that it's the right place for asking my question, but I'll try anyway. So, first of all, ...
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0answers
19 views

Does higher Electronic use relate to lower memory [duplicate]

lots of us use electronics as memory devices--making notes, reminders, etc. Does more use of electronics relate to lower retention? In other words, does not using your memory make it worse?
9
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1answer
124 views

Can we draw conclusions about content of thoughts from neural firing patterns?

Can the neural firing patterns of animals be associated with specific kinds of thoughts? (ie Thoughts related to food, mating, or neighborly aggression?) I am curious about the speculations in ...
3
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1answer
126 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 ...
4
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1answer
66 views

What is a test called that involves indicating whether a line has the same slope as a previous image?

I would like to know the name of the following test: Participants were asked to memorize the slope of a line of a target image. Then different images (lines with varying slopes) were presented ...
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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
102 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: ...
8
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1answer
438 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, ...