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AP Psychology Videos 135 videos

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AP Psychology 3.4 Cognition 9 Views


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Description:

AP Psychology 3.4 Cognition. Why did Dave only remember the steps again when he was tired?

Language:
English Language

Transcript

00:04

Here's your shmoop du jour brought to you by sleep waltzing [Man sleep waltzing]

00:06

it's like sleepwalking only in three fourth time...

00:12

alright here's the question Dave was yawning as he learned the waltz he only

00:17

remembered the steps again the next time he was tired why and your potential

00:22

answers right here... well we know all

00:26

you waltz fantatics are probably horrified that Dave wasn't completely

00:30

awake and alert while learning the sacred art of the waltz but come on it's [Man and woman dancing the waltz]

00:35

not the most exciting to dance or anything out there no one ever yawns

00:38

during the salsa but still why is it that Dave managed to recall the steps

00:43

the next time he was tired? Look at A declarative memories, declarative

00:47

memories are memories that can be consciously recalled like facts you know

00:51

things you can declare state capitals, specific memories stuff like that a [Boy thinking about the waltz]

00:56

little too simple to be the explanation here but super handy when someone asks

00:59

you what's capital of Alaska is and you know the answer so you can cross that

01:04

out what about B explicit memories - well this is really similar to declarative

01:08

memories declarative memory is often referred to as explicit memory but the

01:13

difference is that explicit memory is simply the deliberate recollection of [Man throws away memory]

01:17

information like remembering a specific history lesson while declarative memory

01:22

is being able to put that lesson into words so B doesn't fit either...The

01:26

opposite of explicit memories are implicit memories which is E - this is a [Man approaches a bicycle]

01:31

type of memory in which previous experiences aid in the performance of a

01:35

task but they don't involve any conscious recollection riding a bike's

01:40

a great example even if you haven't ridden a bike in years your implicit [Boy riding a bicycle]

01:43

memory allows you to hop on and peddle with ease you know nine times out of ten

01:47

what bikes are tricky.. anyway that's not what's happening here so we can get rid

01:51

of E and D doesn't fit because it's not a real kind of memory it most closely [Person uses a pin to pop a memory]

01:56

describes context-dependent memory which is the ability to recall memories when

02:01

the context is the same like writing a test in the same classroom you learn the [Girl writing in a test]

02:05

curriculum but this isn't our guy here which leaves us with C state-dependent

02:11

memory what we're describing is a state like a state of being that is the sort

02:16

of state we're in happy, sad, excited, and yes Dave even tired research has shown [Dave sleeping and begins reading a book on how to waltz]

02:21

that the state were in when we learn new information is encoded into that

02:27

information and so being in a similar state will aid in recollection so C is

02:31

the correct answer but only if dave was actually awake if he was sleepwaltzing [Dave removes duvet and in bed with a 1st place trophy]

02:36

well he probably won't remember any of this in the morning, sorry Dave

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