Memory for Semantically Related and Unrelated Declarative Information: The Benefit of Sleep, the Cost of Wake
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{"title"=>"Memory for semantically related and unrelated declarative information: The benefit of sleep, the cost of wake", "type"=>"journal", "authors"=>[{"first_name"=>"Jessica D.", "last_name"=>"Payne", "scopus_author_id"=>"7403334819"}, {"first_name"=>"Matthew A.", "last_name"=>"Tucker", "scopus_author_id"=>"7201659682"}, {"first_name"=>"Jeffrey M.", "last_name"=>"Ellenbogen", "scopus_author_id"=>"6602391830"}, {"first_name"=>"Erin J.", "last_name"=>"Wamsley", "scopus_author_id"=>"6506153338"}, {"first_name"=>"Matthew P.", "last_name"=>"Walker", "scopus_author_id"=>"7403868284"}, {"first_name"=>"Daniel L.", "last_name"=>"Schacter", "scopus_author_id"=>"7006874046"}, {"first_name"=>"Robert", "last_name"=>"Stickgold", "scopus_author_id"=>"7003910632"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"364486496", "sgr"=>"84858739078", "issn"=>"19326203", "pmid"=>"22457736", "scopus"=>"2-s2.0-84858739078", "doi"=>"10.1371/journal.pone.0033079", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)"}, "id"=>"75832492-cc5c-3e78-83b8-0e4fa476b3ed", "abstract"=>"Numerous studies have examined sleep's influence on a range of hippocampus-dependent declarative memory tasks, from text learning to spatial navigation. In this study, we examined the impact of sleep, wake, and time-of-day influences on the processing of declarative information with strong semantic links (semantically related word pairs) and information requiring the formation of novel associations (unrelated word pairs). Participants encoded a set of related or unrelated word pairs at either 9 am or 9 pm, and were then tested after an interval of 30 min, 12 hr, or 24 hr. The time of day at which subjects were trained had no effect on training performance or initial memory of either word pair type. At 12 hr retest, memory overall was superior following a night of sleep compared to a day of wakefulness. However, this performance difference was a result of a pronounced deterioration in memory for unrelated word pairs across wake; there was no sleep-wake difference for related word pairs. At 24 hr retest, with all subjects having received both a full night of sleep and a full day of wakefulness, we found that memory was superior when sleep occurred shortly after learning rather than following a full day of wakefulness. Lastly, we present evidence that the rate of deterioration across wakefulness was significantly diminished when a night of sleep preceded the wake period compared to when no sleep preceded wake, suggesting that sleep served to stabilize the memories against the deleterious effects of subsequent wakefulness. Overall, our results demonstrate that 1) the impact of 12 hr of waking interference on memory retention is strongly determined by word-pair type, 2) sleep is most beneficial to memory 24 hr later if it occurs shortly after learning, and 3) sleep does in fact stabilize declarative memories, diminishing the negative impact of subsequent wakefulness.", "link"=>"http://www.mendeley.com/research/memory-semantically-related-unrelated-declarative-information-benefit-sleep-cost-wake", "reader_count"=>185, "reader_count_by_academic_status"=>{"Unspecified"=>7, "Professor > Associate Professor"=>11, "Librarian"=>2, "Researcher"=>28, "Student > Doctoral Student"=>6, "Student > Ph. D. 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Student"=>46, "Student > Postgraduate"=>6, "Student > Master"=>30, "Other"=>5, "Student > Bachelor"=>29, "Lecturer"=>4, "Lecturer > Senior Lecturer"=>1, "Professor"=>10}, "reader_count_by_subject_area"=>{"Unspecified"=>14, "Agricultural and Biological Sciences"=>34, "Philosophy"=>2, "Computer Science"=>5, "Engineering"=>1, "Biochemistry, Genetics and Molecular Biology"=>1, "Medicine and Dentistry"=>14, "Neuroscience"=>24, "Sports and Recreations"=>4, "Physics and Astronomy"=>1, "Psychology"=>78, "Social Sciences"=>4, "Linguistics"=>3}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>14}, "Social Sciences"=>{"Social Sciences"=>4}, "Sports and Recreations"=>{"Sports and Recreations"=>4}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Psychology"=>{"Psychology"=>78}, "Unspecified"=>{"Unspecified"=>14}, "Engineering"=>{"Engineering"=>1}, "Neuroscience"=>{"Neuroscience"=>24}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>34}, "Computer Science"=>{"Computer Science"=>5}, "Linguistics"=>{"Linguistics"=>3}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Philosophy"=>{"Philosophy"=>2}}, "reader_count_by_country"=>{"Colombia"=>1, "Canada"=>3, "Netherlands"=>2, "United States"=>4, "Japan"=>1, "Brazil"=>1, "United Kingdom"=>3, "Italy"=>1, "France"=>1, "Switzerland"=>2, "Germany"=>5}, "group_count"=>12}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/663888"], "description"=>"<p>White indicates wakefulness; dark gray indicates sleep.</p>", "links"=>[], "tags"=>["Mental health", "physiology", "neuroscience"], "article_id"=>334370, "categories"=>["Physiology", "Neuroscience", "Mental Health"], "users"=>["Jessica D. Payne", "Matthew A. Tucker", "Jeffrey M. Ellenbogen", "Erin J. Wamsley", "Matthew P. Walker", "Daniel L. Schacter", "Robert Stickgold"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0033079.g001", "stats"=>{"downloads"=>0, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Study_Design_/334370", "title"=>"Study Design.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-03-22 01:12:50"}
  • {"files"=>["https://ndownloader.figshare.com/files/664248"], "description"=>"<p><i>Note:</i> Values are means with SEM in parentheses. Note that across all three experiments, training in the morning (<i>Wake, 30 min am and 24 hr am groups</i>) did not differ from training in the evening (<i>Sleep, 30 min pm and 24 hr pm groups</i>) on the number of trials it took to reach the 60% criterion or % correct responses on the final (i.e. criterion) training trial.</p>", "links"=>[], "tags"=>["unrelated", "paired-associates", "24", "groups", "hr"], "article_id"=>334724, "categories"=>["Physiology", "Neuroscience", "Mental Health"], "users"=>["Jessica D. Payne", "Matthew A. Tucker", "Jeffrey M. Ellenbogen", "Erin J. Wamsley", "Matthew P. Walker", "Daniel L. Schacter", "Robert Stickgold"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0033079.t003", "stats"=>{"downloads"=>1, "page_views"=>43, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Performance_at_training_on_unrelated_and_related_paired_associates_in_the_24_hour_groups_24_hr_am_8220_Delayed_sleep_8221_24_hr_pm_8220_Immediate_sleep_8221_/334724", "title"=>"Performance at training on unrelated and related paired-associates in the 24 hour groups (24 hr am, “Delayed sleep”; 24 hr pm, “Immediate sleep”).", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-03-22 01:18:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/664059"], "description"=>"<p>A. Change in recall from training to retest for Related (black bars) and Unrelated (white bars) word pairs in the 24 hr Immediate Sleep and Delayed Sleep groups. B. Data collapsed across word pair type (striped bars). Bars represent % recall at training minus % recall at retest (means±SEMs).</p>", "links"=>[], "tags"=>["hr"], "article_id"=>334542, "categories"=>["Physiology", "Neuroscience", "Mental Health"], "users"=>["Jessica D. Payne", "Matthew A. Tucker", "Jeffrey M. Ellenbogen", "Erin J. Wamsley", "Matthew P. Walker", "Daniel L. Schacter", "Robert Stickgold"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0033079.g003", "stats"=>{"downloads"=>2, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_24_hr_Performance_Data_/334542", "title"=>"24 hr Performance Data.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-03-22 01:15:42"}
  • {"files"=>["https://ndownloader.figshare.com/files/664290"], "description"=>"<p>Performance at training on unrelated and related paired-associates in the 30 minute groups (Morning, Evening).</p>", "links"=>[], "tags"=>["unrelated", "paired-associates", "30", "groups"], "article_id"=>334770, "categories"=>["Physiology", "Neuroscience", "Mental Health"], "users"=>["Jessica D. Payne", "Matthew A. Tucker", "Jeffrey M. Ellenbogen", "Erin J. Wamsley", "Matthew P. Walker", "Daniel L. Schacter", "Robert Stickgold"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0033079.t001", "stats"=>{"downloads"=>1, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Performance_at_training_on_unrelated_and_related_paired_associates_in_the_30_minute_groups_Morning_Evening_/334770", "title"=>"Performance at training on unrelated and related paired-associates in the 30 minute groups (Morning, Evening).", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-03-22 01:19:30"}
  • {"files"=>["https://ndownloader.figshare.com/files/340223", "https://ndownloader.figshare.com/files/340263"], "description"=>"<div><p>Numerous studies have examined sleep's influence on a range of hippocampus-dependent declarative memory tasks, from text learning to spatial navigation. In this study, we examined the impact of sleep, wake, and time-of-day influences on the processing of declarative information with strong semantic links (semantically related word pairs) and information requiring the formation of novel associations (unrelated word pairs). Participants encoded a set of related or unrelated word pairs at either 9am or 9pm, and were then tested after an interval of 30 min, 12 hr, or 24 hr. The time of day at which subjects were trained had no effect on training performance or initial memory of either word pair type. At 12 hr retest, memory overall was superior following a night of sleep compared to a day of wakefulness. However, this performance difference was a result of a pronounced deterioration in memory for unrelated word pairs across wake; there was no sleep-wake difference for related word pairs. At 24 hr retest, with all subjects having received both a full night of sleep and a full day of wakefulness, we found that memory was superior when sleep occurred shortly after learning rather than following a full day of wakefulness. Lastly, we present evidence that the rate of deterioration across wakefulness was significantly diminished when a night of sleep preceded the wake period compared to when no sleep preceded wake, suggesting that sleep served to stabilize the memories against the deleterious effects of subsequent wakefulness. Overall, our results demonstrate that 1) the impact of 12 hr of waking interference on memory retention is strongly determined by word-pair type, 2) sleep is most beneficial to memory 24 hr later if it occurs shortly after learning, and 3) sleep does in fact stabilize declarative memories, diminishing the negative impact of subsequent wakefulness.</p> </div>", "links"=>[], "tags"=>["semantically", "unrelated", "declarative"], "article_id"=>127251, "categories"=>["Physiology", "Neuroscience", "Mental Health"], "users"=>["Jessica D. Payne", "Matthew A. Tucker", "Jeffrey M. Ellenbogen", "Erin J. Wamsley", "Matthew P. Walker", "Daniel L. Schacter", "Robert Stickgold"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0033079.s001", "https://dx.doi.org/10.1371/journal.pone.0033079.s002"], "stats"=>{"downloads"=>21, "page_views"=>22, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Memory_for_Semantically_Related_and_Unrelated_Declarative_Information_The_Benefit_of_Sleep_the_Cost_of_Wake/127251", "title"=>"Memory for Semantically Related and Unrelated Declarative Information: The Benefit of Sleep, the Cost of Wake", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2012-03-22 02:00:51"}
  • {"files"=>["https://ndownloader.figshare.com/files/664147"], "description"=>"<p>A. Change in recall from training to retest for Related (black bars) and Unrelated (white bars) word pairs in the 30 min groups. Bars represent % recall at training minus % recall at retest (means±SEMs). B. Memory (% correct) following the first and second 12 hr interval of Wake was measured as the difference following 12 hr Wake minus 30 min Morning recall (black bars) and 24 hr Immediate Sleep minus 12 hr Sleep (striped bars). C. Memory (% correct) following the first and second 12 hr interval of Sleep – 12 hr Sleep minus 30 min Evening (black bars); 24 hr Delayed Sleep minus 12 hr Wake (striped bars). Bars are means±SEMs.</p>", "links"=>[], "tags"=>["12", "hr", "intervals", "containing"], "article_id"=>334628, "categories"=>["Physiology", "Neuroscience", "Mental Health"], "users"=>["Jessica D. Payne", "Matthew A. Tucker", "Jeffrey M. Ellenbogen", "Erin J. Wamsley", "Matthew P. Walker", "Daniel L. Schacter", "Robert Stickgold"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0033079.g004", "stats"=>{"downloads"=>2, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Memory_Across_the_First_and_Second_12_hr_Intervals_Containing_either_Wake_or_Sleep_/334628", "title"=>"Memory Across the First and Second 12 hr Intervals Containing either Wake or Sleep.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-03-22 01:17:08"}
  • {"files"=>["https://ndownloader.figshare.com/files/663976"], "description"=>"<p>A. Change in recall from training to retest for Related (black bars) and Unrelated (white bars) word pairs in the 12 hr Sleep and Wake groups. B. Data collapsed across word pair type (striped bars). Bars represent % recall at training minus % recall at retest (means±SEMs).</p>", "links"=>[], "tags"=>["hr"], "article_id"=>334460, "categories"=>["Physiology", "Neuroscience", "Mental Health"], "users"=>["Jessica D. Payne", "Matthew A. Tucker", "Jeffrey M. Ellenbogen", "Erin J. Wamsley", "Matthew P. Walker", "Daniel L. Schacter", "Robert Stickgold"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0033079.g002", "stats"=>{"downloads"=>1, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_12_hr_Performance_Data_/334460", "title"=>"12 hr Performance Data.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-03-22 01:14:20"}
  • {"files"=>["https://ndownloader.figshare.com/files/664204"], "description"=>"<p>Performance at training on unrelated and related paired-associates in the 12 hour groups (Wake, Sleep).</p>", "links"=>[], "tags"=>["unrelated", "paired-associates", "12", "groups"], "article_id"=>334687, "categories"=>["Physiology", "Neuroscience", "Mental Health"], "users"=>["Jessica D. Payne", "Matthew A. Tucker", "Jeffrey M. Ellenbogen", "Erin J. Wamsley", "Matthew P. Walker", "Daniel L. Schacter", "Robert Stickgold"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0033079.t002", "stats"=>{"downloads"=>1, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Performance_at_training_on_unrelated_and_related_paired_associates_in_the_12_hour_groups_Wake_Sleep_/334687", "title"=>"Performance at training on unrelated and related paired-associates in the 12 hour groups (Wake, Sleep).", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-03-22 01:18:07"}

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Relative Metric

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