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Description:
AP Psychology 3.4 Cognition. Why did Dave only remember the steps again when he was tired?
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
Full Transcript
- 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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