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15 votes

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

Short answer: Because areas of the brain needed for remembering are turned off during dreaming. Dream Amnesia: The process of converting perception into a memory construct that can be stored is ...
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13 votes

Does learning too much useless information weaken my memory?

Current evidence suggests that internet access is not weakening memory, but changing what information is prioritized. This study referenced below suggests that when people expect to have future ...
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11 votes
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Can suggestion change memories?

The answer to your question is yes, our memories are very malleable. Look into the research of Elizabeth Loftus. She is kind of the pioneer on this topic and has done a ton of research into false ...
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11 votes
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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 ...
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  • 1,125
11 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 ...
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9 votes

How is the type of memory that is passed through generations called?

I'm not sure about children recalling memories of their ancestors, but there is such a thing as Genetic Memory. In one study mice who were trained to fear a specific smell passed on their trained ...
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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 ...
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  • 1,237
8 votes

Why do we always wake up at the climax of our dreams, even when it is an alarm that wakes us?

There are two possibilities. One is that we do tend to wake up more at the climax of dreams, and that somehow our dreams can sync up with external input like an alarm clock so that the climax of the ...
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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 ...
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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; ...
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7 votes

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

State dependent memory could play a role in quickly forgetting dreams after awakening. See my question here: What is the scientific term for unexpected, spontaneous dream recall? I ask about a ...
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7 votes
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Does dream recall alter the dreaming process?

Your experience with more dream following dream recall can be explained in this paper, Effect of encouragement on dream recall (Halliday, 1992). People experience lighter sleep when they recall dream ...
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7 votes

Intentionally making ourselves remember things that never happened

If I understood correctly, you are talking about "false memories" in the context of the following definition in (Johnson, M. K., 2001) "A false memory is a mental experience that is mistakenly ...
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  • 1,154
7 votes

How can we be formed by our childhood's environment if we don't remember much of it?

It all comes down to the type of memory. Infantile amnesia is largely associated with the loss of episodic memory, a type of explicit memory that can be consciously recalled (eg, remembering a past ...
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6 votes
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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 ...
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6 votes
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Do distractors create false learning in multiple choice questions?

To answer your initial statement: no, I don't think they do more harm than good. The testing effect has been shown overall to improve scores compared to traditional studying (though only for long term ...
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6 votes

Is it possible to erase problematic memories?

The notion of "selective memory loss" as erasing problematic memories presumes the existence of engrams, which is a theoretical localized, biological basis for memory. Despite exhaustive searching, we ...
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6 votes

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

Disclaimer: My answer is about recurrent dreams. I don't have any immediate sources to consult on the continuation part (and there are less references to it in literature), but I'd be very surprised ...
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  • 1,115
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 ...
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6 votes
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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, ...
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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 ...
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  • 375
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 ...
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6 votes
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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 ...
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  • 1,740
5 votes
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How are these review-forgetting curve calculated?

While I can't speak about the specific graph in question, I can explain the process of obtaining an empirical estimate of a forgetting curve. The basic process is (1) collect data; (2) model and ...
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5 votes
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If sleeping is related to 'saving information' you've experience, is forgetting related to more energy?

Short answer: No. Long answer: The need for sleep is not a function of information received in any meaningful sense. Memory consolidation and forgetting processes are not thought of in terms of ...
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5 votes
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What are the neural substrates of retrieval induced forgetting?

The neural substrates most involved in retrieval-induced forgetting (RIF) appear to be the anterior cingulate cortex (ACC), the dorsolateral pre-frontal cortex (DLPFC) and the ventrolateral pre-...
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5 votes
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How to measure verbal and visual working memory?

Conway et al. (2005) gives a really nice overview of tasks to measure working memory capacity (WMC). I would refer to that publication for details about the tasks. I'll summarize two tasks below that ...
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5 votes
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Is it actually helpful to write todo lists?

There is some research that suggests writing a to-do list will help "unclutter your brain." The research is related to the phenomenon known as the Zeigarnik effect. The basic observation behind the ...
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5 votes
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Does working memory have a role in creativity?

Takeuchi et al. (2011) had participants in an fMRI perform three tasks in order to measure creativity, working memory and intelligence. S-A creativity test as a measure of creativity (Society For ...
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