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zakruti.com » Knowledge, science, education » WIRED
#2 Neuroscientist Explains One Concept in 5 Levels of Difficulty

#2 Neuroscientist Explains One Concept in 5 Levels of Difficulty

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Rating: 4.5; Vote: 2
WIRED has challenged neuroscientist Daphna Shohamy, PhD, to explain memory to 5 different people; a child, teen, a college student, a grad student and an expert
Date: 2022-07-07

Comments and reviews: 10


14: 28, i can creat dream or new thinking like when i want to sleep -
sometime i count, 99-100 it focus my brain in one direction, than
sometime i create a dream, i m walking or doing someting like this.
than my brain make this a his first dream, than i fell in sleep -
easy,
when i was 5 years old i thought if i don't sleep night will not end.
than one day it was 11: 45 i failed to sleep. in 2002 -
than i cried alot and told to my mother - maybe i can't sleep anymore, because it's 12 am.
--- as a kid what i can do.
than i tought i do i sleep.
after 12 year finding this how to sleep. we close our eyes than we went to somewahre than we wake up it mornming
that was my question.
now i know that was nothing. as seriour.
sleep is rest signal to ur brain --
and ur brain need want to be tried. to sleep.
u can make him tried by doing study lol
or u can make him slow but thinking one direction.
i knew. our brain release a chemical what create sleep.
in night or when is my sleep time brain thinks he release that --
after closing eyes and creating a dream is very nice - way to release that.

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Very, very good conversations. I especially enjoyed the perspective on memory as a -compass- guiding future actions and affecting previous memories. I think a lot of that compass is driven by our fears, especially death. Fear of loneliness causing that compass to point toward long-term situations that give us community and help us fit in and driving us to act in ways that would eventually provide us with community, fear of running out of resources causing us to put ourselves in situations with more resources to prevent things like starvation and poverty, etc
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except that this leaves out Einstein's GR, which in relevant part states that Mass = Energy. By process of elimination, we can state that memory is, correctly speaking, a biochemical state at the cellular level in the brain mediated by one or more the several neurotransmitters, given that we know that single cells communicate with each other via chemistry. It therefore follows under GR / quantum mechanics that memory is a form of energy which can be neither created nor destroyed, but which can change into various forms, varying in their degree of usability.
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These shows are fantastic, perfect way to showcase why education matter, why science is real and matter, and why if you haven't studied to the point, where you know, you still have so much to learn. Then you haven't studied at all.
The College student already blew me away. And the that most be made a quote -I think these imperfections, I interpret them as an indication that the role of memory, is much less about being accurate representation of the past, and much more about being kind of a flexible compass into the future-.

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The mental model that we have is very -reflective- of our previous experiences. I think that her particular insight there is worth more attention.
We perceive through frequency, for the most part. Wavelengths of light are differing frequencies of the electromagnetic wave, sound is frequency of air pressure, etc. Then those frequencies are then somehow interpreted in context with templates that we have for different aggregations of frequencies we've experienced before. It's like we're self-organizing mirrors

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The 7-year old child Abigail made some smart comments, but she also said that memories are stored in the hippocampus. The neuroscientist never actually said that, the child was adding things to her memory of the conversation so that it made more sense to her! When does detailed memory slide into confabulation?
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As a child, my attention span was so bad, that I would have been like, What? I'm not sure of what we're talking about. Tell me again. I would have asked, what do you mean by a record in your brain? I understood about 4 concepts, and everything else was new and uninteresting. Yea, I wasn't smart.
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A memory is a symphony of signals of your experience as the event unfolds. Thats why repeating the event makes it a solid semantic memory as it not only depends on one neural pattern of one particular event but a series of implicit and explicit memory signals superimposing over one another
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I-m so glad I listened until the end. When the expert talked about information network, brain as a dynamic circuitry/state machine, internal model of the brain reflecting and creating external model of the world, I feel like what I felt fuzzy about my field solidify a little more.
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I love these videos so much - They're really easy to digest and they are great at dissolving these really complex and intricate topics into an understandable subject - This video was especially really interesting so thank you!
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