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Naps Boost Memory But Only if You Dream
pretty neat study: http://www.cnn.com/2010/HEALTH/04/22/naps.memory.dream.brain/index....
Views: 16
Replies to This Discussion
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Permalink Reply by 99 on
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d r e a m, dream, dream,dream when i want you, all i do is d r e e e a m have a sip of wine any time of day only trouble is gee weez im dreaming my life away
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Permalink Reply by Judy on
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*giggle* 99 did you check out "Breathe" by the Laryngospasms on youtube?? It is to the tune of "Dream" and it is hilarious. And their "Ring of Fire" about hemorrhoidectomy is a gut splitter. Plus they do a good job of singing too. They are a group of anesthesiologists and Certified Registered Nurse Anesthetists.
Breathe, breathe, breathe, breathe,
I want you to - take a breath.
Can you hear my voice? - I'm scared to death.
Now everybody's watching and all you have to do is
Breathe, breathe, breathe, breathe.
The Forane's off - Nitrous too
But you don't buck - You just turn blue
Now if I'm going to graduate
Please open up your eyes and breathe
When your C02's high - I think your'e going to die
And this won't look good - on my resume
Your sputum is as thick as - Cheese Wiz
I'm kissing my stipend goodbye
Now the grad is here - the MBA
I think I've thrown - 2 years away
I really wish you'd help me out
And open up your eyes and breathe
Wait a minute here - I think I saw a tear
And how is that - you finally took a breath
Lets open the champagne now
Oh yes - I'm going to be a C.R.N.A.
Now you're coming thru - You're on your way
That only took - an extra day
I think I'm just a natural at making all my patients
Breathe, breathe, breathe, breathe
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i remember they are good, and i am ususaly super critical so they must be good
Judy said:*giggle* 99 did you check out "Breathe" by the Laryngospasms on youtube?? It is to the tune of "Dream" and it is hilarious. And their "Ring of Fire" about hemorrhoidectomy is a gut splitter. Plus they do a good job of singing too. They are a group of anesthesiologists and Certified Registered Nurse Anesthetists.
Breathe, breathe, breathe, breathe,
I want you to - take a breath.
Can you hear my voice? - I'm scared to death.
Now everybody's watching and all you have to do is
Breathe, breathe, breathe, breathe.
The Forane's off - Nitrous too
But you don't buck - You just turn blue
Now if I'm going to graduate
Please open up your eyes and breathe
When your C02's high - I think your'e going to die
And this won't look good - on my resume
Your sputum is as thick as - Cheese Wiz
I'm kissing my stipend goodbye
Now the grad is here - the MBA
I think I've thrown - 2 years away
I really wish you'd help me out
And open up your eyes and breathe
Wait a minute here - I think I saw a tear
And how is that - you finally took a breath
Lets open the champagne now
Oh yes - I'm going to be a C.R.N.A.
Now you're coming thru - You're on your way
That only took - an extra day
I think I'm just a natural at making all my patients
Breathe, breathe, breathe, breathe
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Permalink Reply by RockRpsgt on
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So my question is how do they know for sure that a test subject did or did not dream? Was this study just based off of dream recall? Some people can have 500-1000 dreams in a sleep, yet have trouble remembering one. I am not arguing against the study. I just think that avhieving REM sleep would have more benefit on memory than dream recall.
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I almost never remember dreaming. I know I supposedly do dream, everybody does. But I sure could count on both hands the times I've ever remembered a dream. HEY! That can be my excuse for being so slow thinking!!!!
I remember reading that during REM is when our brain is filing all of our experiences of the day. That sounded good so that was as far as my interest in dreams went. I figure interrupted REM sleep interrupts my brain's "filing system" so that's my excuse and I'm sticking to it.
I wish tho that I could hire a filing clerk to file all this paperwork building up around here in my 'puter room!
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Judy I do believe that REM sleep is the most important for memory consolidation. The majority of what I have read points to this. There hae been some recent studies that show that all of the sleep stages play some role in memory.
http://www.ncbi.nlm.nih.gov/pubmed/20401652
REM-dependent repair of competitive memory suppression.
Baran B, Wilson J, Spencer RM.
Department of Psychology, University of Massachusetts, Amherst, USA.
Abstract
Memories are enhanced during sleep through memory consolidation processes. A recent study reported that sleep increases competitive forgetting in the absence of sleep-dependent consolidation of the target memory (Racsmany et al. in Psychol Sci 21:80-85, 2010). Here, using a modified retrieval-induced forgetting task, we examined whether sleep-dependent modulation of forgetting occurs concurrently with the consolidation of related target memories. Participants encoded a word-pair list and then practiced retrieving a portion of these pairs. Following a break with sleep or wake, recall of all pairs was tested. As expected, recall for practiced pairs was greater following sleep relative to wake. Contrary to Racsmany et al. (Psychol Sci 21:80-85, 2010), competitive forgetting decreased following sleep. Moreover, recall for practiced pairs correlated with slow wave sleep (SWS) while forgetting of competing targets correlated negatively with REM, suggesting a novel function of these sequential brain states on memory processing.
http://www.ncbi.nlm.nih.gov/pubmed/19294950
Slow wave sleep and REM sleep awakenings do not affect sleep dependent memory consolidation.
Genzel L, Dresler M, Wehrle R, Grözinger M, Steiger A.
Max Planck Institute of Psychiatry, Munich, Germany. genzel@mpipsykl.mpg.de
Comment in:
Sleep. 2009 Mar 1;32(3):291-3.
Abstract
STUDY OBJECTIVES: The effects of REM sleep and slow wave sleep (SWS) deprivation on sleep-dependent motor and declarative memory consolidation. DESIGN: Randomized, within-subject, cross-over study. SETTING: Weekly (women: monthly) sleep laboratory visits, with retest 60 hours later. PARTICIPANTS: Twelve healthy subjects (6 men) aged between 20 and 30 years. INTERVENTIONS: REM sleep deprivation, SWS deprivation, or undisturbed sleep. MEASUREMENTS AND RESULTS: We deprived subjects once each of REM sleep and SWS, and once let them sleep undisturbed through the night. After each night, we tested declarative and procedural memory consolidation. We tested memory performance by a verbal paired associate task and a sequential finger-tapping task at 21:00 on the study night and again 60 hours later. Although REM sleep and SWS awakenings led to a significant reduction of the respective sleep stages, memory consolidation remained unaffected. We also found a significant correlation between the declarative task and sleep spindles in the undisturbed condition, especially the sleep spindles in the first third of the night. CONCLUSION: We suggest that word-pair learning relies on stage 2 sleep spindles and requires little SWS. Their sleep dependent consolidation is not affected by SWS deprivation. Simple motor tasks may either be consolidated in stage 2 sleep or depend on only small amounts of REM sleep. Their sleep dependent consolidation is not influenced by REM sleep deprivation.
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Thanks, Rock Hinkle. What's w/the bias against women in the second study?? Women monthly, men weekly?? Germany has chauvinist pigs too, eh?
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Permalink Reply by Mike on
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Matthew Walker, a scientist at UC Berkeley, does some fascinating research into Sleep and its effects on memory consolidation/ learning. Here's a link to his lab/ work: http://walkerlab.berkeley.edu/about.html
Rock Hinkle said:Judy I do believe that REM sleep is the most important for memory consolidation. The majority of what I have read points to this. There hae been some recent studies that show that all of the sleep stages play some role in memory.
http://www.ncbi.nlm.nih.gov/pubmed/20401652
REM-dependent repair of competitive memory suppression.
Baran B, Wilson J, Spencer RM.
Department of Psychology, University of Massachusetts, Amherst, USA.
Abstract
Memories are enhanced during sleep through memory consolidation processes. A recent study reported that sleep increases competitive forgetting in the absence of sleep-dependent consolidation of the target memory (Racsmany et al. in Psychol Sci 21:80-85, 2010). Here, using a modified retrieval-induced forgetting task, we examined whether sleep-dependent modulation of forgetting occurs concurrently with the consolidation of related target memories. Participants encoded a word-pair list and then practiced retrieving a portion of these pairs. Following a break with sleep or wake, recall of all pairs was tested. As expected, recall for practiced pairs was greater following sleep relative to wake. Contrary to Racsmany et al. (Psychol Sci 21:80-85, 2010), competitive forgetting decreased following sleep. Moreover, recall for practiced pairs correlated with slow wave sleep (SWS) while forgetting of competing targets correlated negatively with REM, suggesting a novel function of these sequential brain states on memory processing.
http://www.ncbi.nlm.nih.gov/pubmed/19294950
Slow wave sleep and REM sleep awakenings do not affect sleep dependent memory consolidation.
Genzel L, Dresler M, Wehrle R, Grözinger M, Steiger A.
Max Planck Institute of Psychiatry, Munich, Germany. genzel@mpipsykl.mpg.de
Comment in:
Sleep. 2009 Mar 1;32(3):291-3.
Abstract
STUDY OBJECTIVES: The effects of REM sleep and slow wave sleep (SWS) deprivation on sleep-dependent motor and declarative memory consolidation. DESIGN: Randomized, within-subject, cross-over study. SETTING: Weekly (women: monthly) sleep laboratory visits, with retest 60 hours later. PARTICIPANTS: Twelve healthy subjects (6 men) aged between 20 and 30 years. INTERVENTIONS: REM sleep deprivation, SWS deprivation, or undisturbed sleep. MEASUREMENTS AND RESULTS: We deprived subjects once each of REM sleep and SWS, and once let them sleep undisturbed through the night. After each night, we tested declarative and procedural memory consolidation. We tested memory performance by a verbal paired associate task and a sequential finger-tapping task at 21:00 on the study night and again 60 hours later. Although REM sleep and SWS awakenings led to a significant reduction of the respective sleep stages, memory consolidation remained unaffected. We also found a significant correlation between the declarative task and sleep spindles in the undisturbed condition, especially the sleep spindles in the first third of the night. CONCLUSION: We suggest that word-pair learning relies on stage 2 sleep spindles and requires little SWS. Their sleep dependent consolidation is not affected by SWS deprivation. Simple motor tasks may either be consolidated in stage 2 sleep or depend on only small amounts of REM sleep. Their sleep dependent consolidation is not influenced by REM sleep deprivation.
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