{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T20:58:56Z","timestamp":1791233936180,"version":"4.1.0"},"reference-count":85,"publisher":"Elsevier BV","issue":"7","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T00:00:00Z","timestamp":1780444800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000025","name":"National Institute of Mental Health","doi-asserted-by":"publisher","award":["R01MH117964"],"award-info":[{"award-number":["R01MH117964"]}],"id":[{"id":"10.13039\/100000025","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000025","name":"National Institute of Mental Health","doi-asserted-by":"publisher","award":["R01MH139216"],"award-info":[{"award-number":["R01MH139216"]}],"id":[{"id":"10.13039\/100000025","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["cell.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Cell Reports"],"published-print":{"date-parts":[[2026,7]]},"DOI":"10.1016\/j.celrep.2026.117593","type":"journal-article","created":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T19:05:12Z","timestamp":1782327912000},"page":"117593","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"title":["Sleep lowers waking theta frequency in the rat hippocampus"],"prefix":"10.1016","volume":"45","author":[{"given":"Utku","family":"Kaya","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Md Jahangir","family":"Alam","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bapun","family":"Giri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robbert","family":"Havekes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ted","family":"Abel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5128-4478","authenticated-orcid":false,"given":"Kamran","family":"Diba","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.celrep.2026.117593_bib1","first-page":"351","article-title":"An Allometric Analysis of the Frequency of Hippocampal Theta: The Significance of Brain Metabolic Rate","volume":"34","author":"Blumberg","year":"1989","journal-title":"Brain Behav. Evol."},{"key":"10.1016\/j.celrep.2026.117593_bib2","doi-asserted-by":"crossref","first-page":"325","DOI":"10.1016\/S0896-6273(02)00586-X","article-title":"Theta Oscillations in the Hippocampus","volume":"33","author":"Buzs\u00e1ki","year":"2002","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib3","doi-asserted-by":"crossref","DOI":"10.1098\/rstb.2013.0304","article-title":"Hippocampal theta oscillations are slower in humans than in rodents: implications for models of spatial navigation and memory","volume":"369","author":"Jacobs","year":"2014","journal-title":"Philos. Trans. R. Soc. Lond. B Biol. Sci."},{"key":"10.1016\/j.celrep.2026.117593_bib4","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1146\/annurev-neuro-062012-170330","article-title":"Mechanisms and functions of theta rhythms","volume":"36","author":"Colgin","year":"2013","journal-title":"Annu. Rev. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib5","doi-asserted-by":"crossref","first-page":"1002","DOI":"10.1016\/j.neuron.2013.03.007","article-title":"The Theta-Gamma Neural Code","volume":"77","author":"Lisman","year":"2013","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib6","doi-asserted-by":"crossref","DOI":"10.1126\/science.adi8237","article-title":"Associative and predictive hippocampal codes support memory-guided behaviors","volume":"382","author":"Liu","year":"2023","journal-title":"Science"},{"key":"10.1016\/j.celrep.2026.117593_bib7","doi-asserted-by":"crossref","first-page":"246","DOI":"10.1038\/nature10439","article-title":"Theta-paced flickering between place-cell maps in the hippocampus","volume":"478","author":"Jezek","year":"2011","journal-title":"Nature"},{"key":"10.1016\/j.celrep.2026.117593_bib8","doi-asserted-by":"crossref","first-page":"353","DOI":"10.1038\/nature08573","article-title":"Frequency of gamma oscillations routes flow of information in the hippocampus","volume":"462","author":"Colgin","year":"2009","journal-title":"Nature"},{"key":"10.1016\/j.celrep.2026.117593_bib9","doi-asserted-by":"crossref","first-page":"12176","DOI":"10.1523\/JNEUROSCI.3761-07.2007","article-title":"Neural Ensembles in CA3 Transiently Encode Paths Forward of the Animal at a Decision Point","volume":"27","author":"Johnson","year":"2007","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib10","doi-asserted-by":"crossref","first-page":"552","DOI":"10.1038\/nature01834","article-title":"Organization of cell assemblies in the hippocampus","volume":"424","author":"Harris","year":"2003","journal-title":"Nature"},{"key":"10.1016\/j.celrep.2026.117593_bib11","doi-asserted-by":"crossref","first-page":"347","DOI":"10.1016\/0006-8993(86)90579-2","article-title":"Patterned stimulation at the theta frequency is optimal for the induction of hippocampal long-term potentiation","volume":"368","author":"Larson","year":"1986","journal-title":"Brain Res."},{"key":"10.1016\/j.celrep.2026.117593_bib12","doi-asserted-by":"crossref","first-page":"38","DOI":"10.1016\/j.brainres.2014.10.034","article-title":"Theta-burst LTP","volume":"1621","author":"Larson","year":"2015","journal-title":"Brain Res."},{"key":"10.1016\/j.celrep.2026.117593_bib13","doi-asserted-by":"crossref","first-page":"675","DOI":"10.1126\/science.aat2952","article-title":"Nested sequences of hippocampal assemblies during behavior support subsequent sleep replay","volume":"362","author":"Drieu","year":"2018","journal-title":"Science"},{"key":"10.1016\/j.celrep.2026.117593_bib14","doi-asserted-by":"crossref","first-page":"461","DOI":"10.1016\/S0091-6773(73)80041-0","article-title":"Hippocampal EEG and behavior: Change in amplitude and frequency of RSA (Theta rhythm) associated with spontaneous and learned movement patterns in rats and cats","volume":"8","author":"Whishaw","year":"1973","journal-title":"Behav. Biol."},{"key":"10.1016\/j.celrep.2026.117593_bib15","doi-asserted-by":"crossref","first-page":"8650","DOI":"10.1523\/JNEUROSCI.5040-12.2013","article-title":"Novelty and Anxiolytic Drugs Dissociate Two Components of Hippocampal Theta in Behaving Rats","volume":"33","author":"Wells","year":"2013","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib16","doi-asserted-by":"crossref","first-page":"4326","DOI":"10.1523\/JNEUROSCI.0987-21.2022","article-title":"A Direct Comparison of Theta Power and Frequency to Speed and Acceleration","volume":"42","author":"Kennedy","year":"2022","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib17","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1016\/0031-9384(71)90172-7","article-title":"Hippocampal EEG and behavior: effects of variation in body temperature and relation of EEG to vibrissae movement, swimming and shivering","volume":"6","author":"Whishaw","year":"1971","journal-title":"Physiol. Behav."},{"key":"10.1016\/j.celrep.2026.117593_bib18","doi-asserted-by":"crossref","first-page":"212","DOI":"10.1016\/S0006-8993(02)02247-3","article-title":"Electroencephalogram theta frequency changes in parallel with euthermic brain temperature","volume":"930","author":"Deboer","year":"2002","journal-title":"Brain Res."},{"key":"10.1016\/j.celrep.2026.117593_bib19","doi-asserted-by":"crossref","first-page":"731","DOI":"10.1016\/j.neuron.2020.05.023","article-title":"Cooling of Medial Septum Reveals Theta Phase Lag Coordination of Hippocampal Cell Assemblies","volume":"107","author":"Petersen","year":"2020","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib20","doi-asserted-by":"crossref","first-page":"340","DOI":"10.1002\/hipo.20394","article-title":"Environmental novelty is signaled by reduction of the hippocampal theta frequency","volume":"18","author":"Jeewajee","year":"2008","journal-title":"Hippocampus"},{"key":"10.1016\/j.celrep.2026.117593_bib21","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1097\/FBP.0b013e3282ee82e3","article-title":"Elicited hippocampal theta rhythm: A screen for anxiolytic and procognitive drugs through changes in hippocampal function?","volume":"18","author":"McNaughton","year":"2007","journal-title":"Behav. Pharmacol."},{"key":"10.1016\/j.celrep.2026.117593_bib22","doi-asserted-by":"crossref","first-page":"489","DOI":"10.1016\/j.neuropharm.2011.01.029","article-title":"Control of hippocampal theta rhythm by serotonin: Role of 5-HT2c receptors","volume":"61","author":"S\u00f6rman","year":"2011","journal-title":"Neuropharmacology"},{"key":"10.1016\/j.celrep.2026.117593_bib23","article-title":"Possible role of acetylcholine in regulating spatial novelty effects on theta rhythm and grid cells","volume":"6","author":"Barry","year":"2012","journal-title":"Front. Neural Circ."},{"key":"10.1016\/j.celrep.2026.117593_bib24","doi-asserted-by":"crossref","first-page":"191","DOI":"10.1021\/cn300184t","article-title":"Activation of 5-HT6 receptors modulates sleep-wake activity and hippocampal theta oscillation","volume":"4","author":"Ly","year":"2013","journal-title":"ACS Chem. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib25","doi-asserted-by":"crossref","first-page":"1122","DOI":"10.1038\/nature08488","article-title":"Sleep deprivation impairs cAMP signalling in the hippocampus","volume":"461","author":"Vecsey","year":"2009","journal-title":"Nature"},{"key":"10.1016\/j.celrep.2026.117593_bib26","doi-asserted-by":"crossref","DOI":"10.1016\/j.nlm.2020.107168","article-title":"Rolipram treatment during consolidation ameliorates long-term object location memory in aged male mice","volume":"169","author":"Wimmer","year":"2020","journal-title":"Neurobiol. Learn. Mem."},{"key":"10.1016\/j.celrep.2026.117593_bib27","doi-asserted-by":"crossref","first-page":"1655","DOI":"10.1038\/s41593-020-00744-x","article-title":"Parameterizing neural power spectra into periodic and aperiodic components","volume":"23","author":"Donoghue","year":"2020","journal-title":"Nat. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib28","doi-asserted-by":"crossref","first-page":"998116","DOI":"10.3389\/fnsys.2022.998116","article-title":"Frequency matters: how changes in hippocampal theta frequency can influence temporal coding, anxiety-reduction, and memory","volume":"16","author":"Hines","year":"2023","journal-title":"Front. Syst. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib29","doi-asserted-by":"crossref","first-page":"444","DOI":"10.1152\/jn.00636.2018","article-title":"Theta-gamma cascades and running speed","volume":"121","author":"Sheremet","year":"2019","journal-title":"J. Neurophysiol."},{"key":"10.1016\/j.celrep.2026.117593_bib30","doi-asserted-by":"crossref","first-page":"1029","DOI":"10.1016\/j.neuron.2021.01.017","article-title":"Frequency of theta rhythm is controlled by acceleration, but not speed, in running rats","volume":"109","author":"Kropff","year":"2021","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib31","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1002\/hipo.450030307","article-title":"Phase relationship between hippocampal place units and the EEG theta rhythm","volume":"3","author":"O\u2019Keefe","year":"1993","journal-title":"Hippocampus"},{"key":"10.1016\/j.celrep.2026.117593_bib32","doi-asserted-by":"crossref","first-page":"7957","DOI":"10.1073\/pnas.0912478107","article-title":"Temporal delays among place cells determine the frequency of population theta oscillations in the hippocampus","volume":"107","author":"Geisler","year":"2010","journal-title":"Proc. Natl. Acad. Sci. USA"},{"key":"10.1016\/j.celrep.2026.117593_bib33","doi-asserted-by":"crossref","DOI":"10.1002\/syn.22150","article-title":"Phosphodiesterase inhibitors roflumilast and vardenafil prevent sleep deprivation-induced deficits in spatial pattern separation","volume":"74","author":"Heckman","year":"2020","journal-title":"Synapse"},{"key":"10.1016\/j.celrep.2026.117593_bib34","doi-asserted-by":"crossref","first-page":"631","DOI":"10.2174\/1871527320666210816105144","article-title":"Rolipram Rescues Memory Consolidation Deficits Caused by Sleep Deprivation: Implication of the cAMP\/PKA and cAMP\/Epac Pathways","volume":"21","author":"Maher","year":"2022","journal-title":"CNS Neurol. Disord.: Drug Targets"},{"key":"10.1016\/j.celrep.2026.117593_bib35","doi-asserted-by":"crossref","first-page":"6460","DOI":"10.1523\/JNEUROSCI.5018-12.2013","article-title":"Increases in cAMP, MAPK Activity, and CREB Phosphorylation during REM Sleep: Implications for REM Sleep and Memory Consolidation","volume":"33","author":"Luo","year":"2013","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib36","doi-asserted-by":"crossref","first-page":"1983","DOI":"10.1016\/j.neuron.2025.03.020","article-title":"A time window for memory consolidation during NREM sleep revealed by cAMP oscillation","volume":"113","author":"Deng","year":"2025","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib37","doi-asserted-by":"crossref","first-page":"1614","DOI":"10.1038\/s41593-021-00919-0","article-title":"Precisely timed theta oscillations are selectively required during the encoding phase of memory","volume":"24","author":"Quirk","year":"2021","journal-title":"Nat. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib38","doi-asserted-by":"crossref","DOI":"10.1002\/hipo.23653","article-title":"Linking Anxiolytic Action to Hippocampal \u201cTheta\u201d\u2014A Personal History","volume":"35","author":"McNaughton","year":"2025","journal-title":"Hippocampus"},{"key":"10.1016\/j.celrep.2026.117593_bib39","doi-asserted-by":"crossref","first-page":"100","DOI":"10.1038\/s41562-019-0754-8","article-title":"Overanxious and underslept","volume":"4","author":"Ben Simon","year":"2020","journal-title":"Nat. Hum. Behav."},{"key":"10.1016\/j.celrep.2026.117593_bib40","doi-asserted-by":"crossref","first-page":"505","DOI":"10.1093\/sleep\/31.4.505","article-title":"Glucocorticoids Are Not Responsible for Paradoxical Sleep Deprivation-Induced Memory Impairments","volume":"31","author":"Tiba","year":"2008","journal-title":"Sleep"},{"key":"10.1016\/j.celrep.2026.117593_bib41","doi-asserted-by":"crossref","DOI":"10.1111\/jsr.12972","article-title":"Sleep deprivation-induced impairment of memory consolidation is not mediated by glucocorticoid stress hormones","volume":"29","author":"Raven","year":"2020","journal-title":"J. Sleep Res."},{"key":"10.1016\/j.celrep.2026.117593_bib42","doi-asserted-by":"crossref","DOI":"10.3389\/fnbeh.2015.00061","article-title":"The frequency of hippocampal theta rhythm is modulated on a circadian period and is entrained by food availability","volume":"9","author":"Munn","year":"2015","journal-title":"Front. Behav. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib43","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1007\/s11910-018-0868-9","article-title":"Cerebral Metabolic Changes During Sleep","volume":"18","author":"Aalling","year":"2018","journal-title":"Curr. Neurol. Neurosci. Rep."},{"key":"10.1016\/j.celrep.2026.117593_bib44","doi-asserted-by":"crossref","first-page":"893","DOI":"10.1016\/j.cub.2016.02.024","article-title":"Regulation of Hippocampal Firing by Network Oscillations during Sleep","volume":"26","author":"Miyawaki","year":"2016","journal-title":"Curr. Biol."},{"key":"10.1016\/j.celrep.2026.117593_bib45","first-page":"55","article-title":"Serotonin and sleep. Sleep Med","volume":"6","author":"Ursin","year":"2002","journal-title":"Rev."},{"key":"10.1016\/j.celrep.2026.117593_bib46","doi-asserted-by":"crossref","first-page":"6509","DOI":"10.1523\/JNEUROSCI.1211-05.2005","article-title":"State-Dependent Alterations in Hippocampal Oscillations in Serotonin 1A Receptor-Deficient Mice","volume":"25","author":"Gordon","year":"2005","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib47","doi-asserted-by":"crossref","first-page":"eadq0651","DOI":"10.1126\/sciadv.adq0651","article-title":"Activation of locus coeruleus noradrenergic neurons rapidly drives homeostatic sleep pressure","volume":"11","author":"Silverman","year":"2025","journal-title":"Sci. Adv."},{"key":"10.1016\/j.celrep.2026.117593_bib48","article-title":"The Locus Coeruleus- Norepinephrine System in Stress and Arousal: Unraveling Historical, Current, and Future Perspectives","volume":"11","author":"Ross","year":"2020","journal-title":"Front. Psychiatry"},{"key":"10.1016\/j.celrep.2026.117593_bib49","doi-asserted-by":"crossref","first-page":"8637","DOI":"10.1523\/JNEUROSCI.19-19-08637.1999","article-title":"Cholinergic Induction of Theta-Frequency Oscillations in Hippocampal Inhibitory Interneurons and Pacing of Pyramidal Cell Firing","volume":"19","author":"Chapman","year":"1999","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib50","doi-asserted-by":"crossref","first-page":"3638","DOI":"10.1038\/s41467-018-05907-w","article-title":"Ventral hippocampal OLM cells control type 2 theta oscillations and response to predator odor","volume":"9","author":"Mikulovic","year":"2018","journal-title":"Nat. Commun."},{"key":"10.1016\/j.celrep.2026.117593_bib51","doi-asserted-by":"crossref","first-page":"188","DOI":"10.1055\/s-2007-1017435","article-title":"Results of a phase II study of the antidepressant effect of rolipram","volume":"17","author":"Zeller","year":"1984","journal-title":"Pharmacopsychiatry"},{"key":"10.1016\/j.celrep.2026.117593_bib52","doi-asserted-by":"crossref","first-page":"537","DOI":"10.1016\/j.pbb.2008.09.005","article-title":"Potential of the rat model of conditioned gaping to detect nausea produced by rolipram, a phosphodiesterase-4 (PDE4) inhibitor","volume":"91","author":"Rock","year":"2009","journal-title":"Pharmacol. Biochem. Behav."},{"key":"10.1016\/j.celrep.2026.117593_bib53","doi-asserted-by":"crossref","DOI":"10.3389\/fnbeh.2022.936036","article-title":"Neural Oscillations in Aversively Motivated Behavior","volume":"16","author":"Totty","year":"2022","journal-title":"Front. Behav. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib54","doi-asserted-by":"crossref","first-page":"621","DOI":"10.1016\/0031-9384(84)90381-0","article-title":"The relationship between type 2 theta and behavior","volume":"33","author":"Sainsbury","year":"1984","journal-title":"Physiol. Behav."},{"key":"10.1016\/j.celrep.2026.117593_bib55","doi-asserted-by":"crossref","first-page":"1157","DOI":"10.1002\/hipo.20518","article-title":"Grid cells and theta as oscillatory interference: Theory and predictions","volume":"18","author":"Burgess","year":"2008","journal-title":"Hippocampus"},{"key":"10.1016\/j.celrep.2026.117593_bib56","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1016\/j.neuroscience.2016.03.062","article-title":"Rolipram improves cognition, reduces anxiety- and despair-like behaviors and impacts hippocampal neuroplasticity after transient global cerebral ischemia","volume":"326","author":"Soares","year":"2016","journal-title":"Neuroscience"},{"key":"10.1016\/j.celrep.2026.117593_bib57","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1016\/j.brainres.2005.05.022","article-title":"Theta activity in the waking EEG is a marker of sleep propensity in the rat","volume":"1050","author":"Vyazovskiy","year":"2005","journal-title":"Brain Res."},{"key":"10.1016\/j.celrep.2026.117593_bib58","doi-asserted-by":"crossref","first-page":"208","DOI":"10.1016\/j.tics.2019.12.006","article-title":"Theta Oscillations in Human Memory","volume":"24","author":"Herweg","year":"2020","journal-title":"Trends Cognit. Sci."},{"key":"10.1016\/j.celrep.2026.117593_bib59","doi-asserted-by":"crossref","first-page":"793","DOI":"10.1162\/089976602317318965","article-title":"A Proposed Function for Hippocampal Theta Rhythm: Separate Phases of Encoding and Retrieval Enhance Reversal of Prior Learning","volume":"14","author":"Hasselmo","year":"2002","journal-title":"Neural Comput."},{"key":"10.1016\/j.celrep.2026.117593_bib60","doi-asserted-by":"crossref","first-page":"4550","DOI":"10.1523\/JNEUROSCI.0106-19.2019","article-title":"Coherent coding of spatial position mediated by theta oscillations in the hippocampus and prefrontal cortex","volume":"39","author":"Zielinski","year":"2019","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib61","doi-asserted-by":"crossref","first-page":"410","DOI":"10.1016\/j.neuron.2012.07.015","article-title":"Traveling Theta Waves along the Entire Septotemporal Axis of the Hippocampus","volume":"75","author":"Patel","year":"2012","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib62","doi-asserted-by":"crossref","first-page":"534","DOI":"10.1038\/nature08010","article-title":"Hippocampal theta oscillations are travelling waves","volume":"459","author":"Lubenov","year":"2009","journal-title":"Nature"},{"key":"10.1016\/j.celrep.2026.117593_bib63","doi-asserted-by":"crossref","first-page":"1073","DOI":"10.1002\/hipo.22488","article-title":"Hippocampal sharp wave-ripple: A cognitive biomarker for episodic memory and planning","volume":"25","author":"Buzs\u00e1ki","year":"2015","journal-title":"Hippocampus"},{"key":"10.1016\/j.celrep.2026.117593_bib64","doi-asserted-by":"crossref","first-page":"15715","DOI":"10.1523\/JNEUROSCI.2403-14.2014","article-title":"Transiently Increasing cAMP Levels Selectively in Hippocampal Excitatory Neurons during Sleep Deprivation Prevents Memory Deficits Caused by Sleep Loss","volume":"34","author":"Havekes","year":"2014","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib65","doi-asserted-by":"crossref","DOI":"10.3389\/fnsys.2013.00106","article-title":"Experimental sleep deprivation as a tool to test memory deficits in rodents","volume":"7","author":"Colavito","year":"2013","journal-title":"Front. Syst. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib66","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1016\/j.nlm.2013.11.021","article-title":"Sleep deprivation during a specific 3-hour time window post-training impairs hippocampal synaptic plasticity and memory","volume":"109","author":"Prince","year":"2014","journal-title":"Neurobiol. Learn. Mem."},{"key":"10.1016\/j.celrep.2026.117593_bib67","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/j.bbr.2012.09.011","article-title":"Sleep-dependency of episodic-like memory consolidation in rats","volume":"237","author":"Inostroza","year":"2013","journal-title":"Behav. Brain Res."},{"key":"10.1016\/j.celrep.2026.117593_bib68","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1016\/S0006-8993(01)02603-8","article-title":"Effects of social stimuli on sleep in mice: non-rapid-eye-movement (NREM) sleep is promoted by aggressive interaction but not by sexual interaction","volume":"907","author":"Meerlo","year":"2001","journal-title":"Brain Res."},{"key":"10.1016\/j.celrep.2026.117593_bib69","doi-asserted-by":"crossref","first-page":"263","DOI":"10.1016\/j.nlm.2005.11.005","article-title":"Sleep deprivation impairs object recognition in mice","volume":"85","author":"Palchykova","year":"2006","journal-title":"Neurobiol. Learn. Mem."},{"key":"10.1016\/j.celrep.2026.117593_bib70","doi-asserted-by":"crossref","first-page":"280","DOI":"10.1111\/j.1365-2869.2009.00799.x","article-title":"Sleep deprivation impairs spatial working memory and reduces hippocampal AMPA receptor phosphorylation","volume":"19","author":"Hagewoud","year":"2009","journal-title":"J. Sleep Res."},{"key":"10.1016\/j.celrep.2026.117593_bib71","doi-asserted-by":"crossref","first-page":"40","DOI":"10.1016\/j.brainres.2011.05.008","article-title":"Increases in extracellular serotonin and dopamine metabolite levels in the basal forebrain during sleep deprivation","volume":"1399","author":"Zant","year":"2011","journal-title":"Brain Res."},{"key":"10.1016\/j.celrep.2026.117593_bib72","doi-asserted-by":"crossref","DOI":"10.1088\/1741-2552\/ab581a","article-title":"Open source silicon microprobes for high throughput neural recording","volume":"17","author":"Yang","year":"2020","journal-title":"J. Neural. Eng."},{"key":"10.1016\/j.celrep.2026.117593_bib73","doi-asserted-by":"crossref","DOI":"10.1088\/1741-2552\/aa5eea","article-title":"Open Ephys: an open-source, plugin-based platform for multichannel electrophysiology","volume":"14","author":"Siegle","year":"2017","journal-title":"J. Neural. Eng."},{"key":"10.1016\/j.celrep.2026.117593_bib74","doi-asserted-by":"crossref","DOI":"10.7554\/eLife.34518","article-title":"A spike sorting toolbox for up to thousands of electrodes validated with ground truth recordings in vitro and in vivo","volume":"7","author":"Yger","year":"2018","journal-title":"eLife"},{"key":"10.1016\/j.celrep.2026.117593_bib75","doi-asserted-by":"crossref","DOI":"10.1155\/2011\/156869","article-title":"FieldTrip: Open source software for advanced analysis of MEG, EEG, and invasive electrophysiological data","volume":"2011","author":"Oostenveld","year":"2011","journal-title":"Comput. Intell. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib76","doi-asserted-by":"crossref","first-page":"3594","DOI":"10.1016\/j.neuron.2021.09.002","article-title":"CellExplorer: A framework for visualizing and characterizing single neurons","volume":"109","author":"Petersen","year":"2021","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib77","doi-asserted-by":"crossref","first-page":"1777","DOI":"10.1523\/JNEUROSCI.4681-09.2010","article-title":"Distinct representations and theta dynamics in dorsal and ventral hippocampus","volume":"30","author":"Royer","year":"2010","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib78","doi-asserted-by":"crossref","first-page":"1001","DOI":"10.1016\/j.neuron.2012.08.015","article-title":"REM Sleep Reorganizes Hippocampal Excitability","volume":"75","author":"Grosmark","year":"2012","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib79","doi-asserted-by":"crossref","DOI":"10.1093\/sleep\/zsx066","article-title":"Low Activity Microstates During Sleep","volume":"40","author":"Miyawaki","year":"2017","journal-title":"Sleep"},{"key":"10.1016\/j.celrep.2026.117593_bib80","doi-asserted-by":"crossref","first-page":"866","DOI":"10.1523\/JNEUROSCI.1950-18.2018","article-title":"Hippocampal reactivation extends for several hours following novel experience","volume":"39","author":"Giri","year":"2019","journal-title":"J. Neurosci."},{"key":"10.1016\/j.celrep.2026.117593_bib81","doi-asserted-by":"crossref","first-page":"839","DOI":"10.1016\/j.neuron.2016.03.036","article-title":"Network Homeostasis and State Dynamics of Neocortical Sleep","volume":"90","author":"Watson","year":"2016","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib82","doi-asserted-by":"crossref","first-page":"470","DOI":"10.1016\/j.neuron.2014.08.051","article-title":"Theta phase segregation of input-specific gamma patterns in entorhinal-hippocampal networks","volume":"84","author":"Schomburg","year":"2014","journal-title":"Neuron"},{"key":"10.1016\/j.celrep.2026.117593_bib83","doi-asserted-by":"crossref","first-page":"70","DOI":"10.1016\/j.neuroimage.2017.06.078","article-title":"Inferring synaptic excitation\/inhibition balance from field potentials","volume":"158","author":"Gao","year":"2017","journal-title":"Neuroimage"},{"key":"10.1016\/j.celrep.2026.117593_bib84","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1007\/s10548-015-0448-0","article-title":"Separating Fractal and Oscillatory Components in the Power Spectrum of Neurophysiological Signal","volume":"29","author":"Wen","year":"2016","journal-title":"Brain Topogr."},{"key":"10.1016\/j.celrep.2026.117593_bib85","doi-asserted-by":"crossref","first-page":"754","DOI":"10.1016\/j.neuron.2024.12.019","article-title":"Topography of putative bi-directional interaction between hippocampal sharp-wave ripples and neocortical slow oscillations","volume":"113","author":"Swanson","year":"2025","journal-title":"Neuron"}],"container-title":["Cell Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2211124726006716?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2211124726006716?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T20:36:35Z","timestamp":1791232595000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2211124726006716"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7]]},"references-count":85,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2026,7]]}},"alternative-id":["S2211124726006716"],"URL":"https:\/\/doi.org\/10.1016\/j.celrep.2026.117593","relation":{},"ISSN":["2211-1247"],"issn-type":[{"value":"2211-1247","type":"print"}],"subject":[],"published":{"date-parts":[[2026,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Sleep lowers waking theta frequency in the rat hippocampus","name":"articletitle","label":"Article Title"},{"value":"Cell Reports","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.celrep.2026.117593","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 The Authors. Published by Elsevier Inc.","name":"copyright","label":"Copyright"}],"article-number":"117593"}}