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Restless legs syndrome in patients with epilepsy: risk analysis, polysomnography, and quality of life evaluation. 癫痫患者的不安腿综合征:风险分析、多导睡眠图和生活质量评估。
IF 5.6 2区 医学
Sleep Pub Date : 2024-06-13 DOI: 10.1093/sleep/zsad054
Ying-Sheng Li, Wei-Chih Yeh, Ya-Hsien Chang, Chung-Yao Hsu
{"title":"Restless legs syndrome in patients with epilepsy: risk analysis, polysomnography, and quality of life evaluation.","authors":"Ying-Sheng Li, Wei-Chih Yeh, Ya-Hsien Chang, Chung-Yao Hsu","doi":"10.1093/sleep/zsad054","DOIUrl":"10.1093/sleep/zsad054","url":null,"abstract":"<p><strong>Study objectives: </strong>Restless legs syndrome (RLS) is a circadian rhythm related sensorimotor disorder due to brain iron deficiency, with lesion sites at the putamen and substantia nigra. However, epilepsy is a disease with abnormal electric discharge from the cortex and can be triggered with iron disequilibrium. We designed a case-control study to discover the association between epilepsy and RLS.</p><p><strong>Methods: </strong>A total of 24 patients with epilepsy and RLS and 72 patients with epilepsy without RLS were included. Most of the patients underwent polysomnography and video electroencephalogram tests and took sleep questionnaires. We collected information on seizure characteristics, including general or focal onset, epileptogenic focus, current antiseizure medications, medically responsive epilepsy or refractory epilepsy, and nocturnal attacks. The sleep architectures of the two groups were compared. We analyzed the risk factors for RLS using multivariate logistic regression.</p><p><strong>Results: </strong>Among the patients with epilepsy, the occurrence of RLS was associated with refractory epilepsy (OR 6.422, p = 0.002) and nocturnal seizures (OR 4.960, p = 0.005). Sleep parameters were not significantly associated with RLS status. Quality of life was significantly impaired in the group with RLS in both the physical and mental domains.</p><p><strong>Conclusions: </strong>Refractory epilepsy and nocturnal seizures were strongly correlated with RLS in patients with epilepsy. RLS should be considered a predictable comorbidity in patients with epilepsy. The management of RLS not only led to better control of the patient's epilepsy but also improved their quality of life.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.6,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10819151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sleep apnea, hypoxia, and late-onset epilepsy: the Atherosclerosis Risk in Communities study. 睡眠呼吸暂停、缺氧和迟发性癫痫:社区动脉粥样硬化风险研究。
IF 5.3 2区 医学
Sleep Pub Date : 2024-06-13 DOI: 10.1093/sleep/zsad233
Christopher M Carosella, Rebecca F Gottesman, Anna Kucharska-Newton, Pamela L Lutsey, Adam P Spira, Naresh M Punjabi, Andrea L C Schneider, Kelsie M Full, Emily L Johnson
{"title":"Sleep apnea, hypoxia, and late-onset epilepsy: the Atherosclerosis Risk in Communities study.","authors":"Christopher M Carosella, Rebecca F Gottesman, Anna Kucharska-Newton, Pamela L Lutsey, Adam P Spira, Naresh M Punjabi, Andrea L C Schneider, Kelsie M Full, Emily L Johnson","doi":"10.1093/sleep/zsad233","DOIUrl":"10.1093/sleep/zsad233","url":null,"abstract":"<p><strong>Study objective: </strong>Sleep apnea is associated with unexplained epilepsy in older adults in small studies. We sought to determine the relationship between sleep apnea and additional sleep characteristics and late-onset epilepsy (LOE), adjusting for comorbidities, using data from the large, prospective Atherosclerosis Risk in Communities (ARIC) Study cohort.</p><p><strong>Methods: </strong>We used Medicare claims to identify cases of LOE in ARIC participants. We used polysomnography data from 1309 ARIC participants who also participated in the Sleep Heart Health Study in 1995-1998, and demographic and comorbidity data from ARIC. Later risk of LOE was evaluated using survival analysis with a competing risk of death. We also used survival analysis in 2672 ARIC participants to identify the association between self-reported obstructive sleep apnea (2011-2013), and the risk of subsequent LOE.</p><p><strong>Results: </strong>Late-midlife oxygen desaturation to less than 80% during sleep was associated with subsequent development of LOE, adjusted subhazard ratio 3.28 (1.18-9.08), but the apnea-hypopnea index was not related. Participant report of diagnosis of sleep apnea in 2011-2013 was also associated with subsequent LOE, adjusted subhazard ratio 2.59 (1.24-5.39).</p><p><strong>Conclusions: </strong>Sleep apnea and oxygen saturation nadir during sleep are associated with LOE, independently of hypertension and other comorbidities. These potentially modifiable risk factors could have large clinical implications for LOE.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.3,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11168763/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10165442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Altered neuronal response to visual food stimuli in adolescents undergoing chronic sleep restriction. 长期限制睡眠的青少年对视觉食物刺激的神经元反应发生改变
IF 5.6 2区 医学
Sleep Pub Date : 2024-04-12 DOI: 10.1093/sleep/zsad036
Mark W DiFrancesco, Maryam Alsameen, Marie-Pierre St-Onge, Kara M Duraccio, Dean W Beebe
{"title":"Altered neuronal response to visual food stimuli in adolescents undergoing chronic sleep restriction.","authors":"Mark W DiFrancesco, Maryam Alsameen, Marie-Pierre St-Onge, Kara M Duraccio, Dean W Beebe","doi":"10.1093/sleep/zsad036","DOIUrl":"10.1093/sleep/zsad036","url":null,"abstract":"<p><strong>Study objectives: </strong>Poor sleep in adolescents can increase the risk of obesity, possibly due to changes in dietary patterns. Prior neuroimaging evidence, mostly in adults, suggests that lacking sleep results in increased response to food cues in reward-processing brain regions. Needed is a clarification of the mechanisms by which food reward processing is altered by the kind of chronic sleep restriction (SR) typically experienced by adolescents. This study aimed to elucidate the impact of sleep duration on response to visual food stimuli in healthy adolescents using functional neuroimaging, hypothesizing increased reward processing response after SR compared to a well-rested condition.</p><p><strong>Methods: </strong>Thirty-nine healthy adolescents, 14-17 years old, completed a 3-week protocol: (1) sleep phase stabilization; (2) SR (~6.5 h nightly); and (3) healthy sleep (HS) duration (~9 h nightly). Participants underwent functional MRI while performing a visual food paradigm. Contrasts of food versus nonfood responses were compared within-subject between conditions of SR and HS.</p><p><strong>Results: </strong>Under SR, there was a greater response to food stimuli compared to HS in a voxel cluster including the left ventral tegmental area and substantia nigra. No change in food appeal rating due to the sleep manipulation was detected.</p><p><strong>Conclusions: </strong>Outcomes of this study suggest that SR, as commonly experienced by healthy adolescents, results in the elevated dopaminergic drive of the reward network that may augment motivation to seek food in the context of individual food appeal and inhibitory profiles. Countermeasures that reduce food salience could include promoting consistent HS habits.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.6,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11009031/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10748953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of sleep fragmentation on white matter pathology in a rat model of cerebral small vessel disease. 睡眠片段对脑小血管疾病大鼠模型白质病理学的影响
IF 5.6 2区 医学
Sleep Pub Date : 2024-04-12 DOI: 10.1093/sleep/zsad225
Xiang Fu, Xiao-Jie Wan, Jun-Yi Liu, Qian Sun, Yun Shen, Jie Li, Cheng-Jie Mao, Quan-Hong Ma, Fen Wang, Chun-Feng Liu
{"title":"Effects of sleep fragmentation on white matter pathology in a rat model of cerebral small vessel disease.","authors":"Xiang Fu, Xiao-Jie Wan, Jun-Yi Liu, Qian Sun, Yun Shen, Jie Li, Cheng-Jie Mao, Quan-Hong Ma, Fen Wang, Chun-Feng Liu","doi":"10.1093/sleep/zsad225","DOIUrl":"10.1093/sleep/zsad225","url":null,"abstract":"<p><strong>Study objectives: </strong>Mounting evidence indicated the correlation between sleep and cerebral small vessel disease (CSVD). However, little is known about the exact causality between poor sleep and white matter injury, a typical signature of CSVD, as well as the underlying mechanisms.</p><p><strong>Methods: </strong>Spontaneously hypertensive rats (SHR) and control Wistar Kyoto rats were subjected to sleep fragmentation (SF) for 16 weeks. The effects of chronic sleep disruption on the deep white matter and cognitive performance were observed.</p><p><strong>Results: </strong>SHR were validated as a rat model for CSVD. Fragmented sleep induced strain-dependent white matter abnormalities, characterized by reduced myelin integrity, impaired oligodendrocytes precursor cells (OPC) maturation and pro-inflammatory microglial polarization. Partially reversible phenotypes of OPC and microglia were observed in parallel following sleep recovery.</p><p><strong>Conclusions: </strong>Long-term SF-induced pathological effects on the deep white matter in a rat model of CSVD. The pro-inflammatory microglial activation and the block of OPC maturation may be involved in the mechanisms linking sleep to white matter injury.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.6,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10075521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sleep disturbances and change in multiple cognitive domains among older adults: a multicenter study of five Nordic cohorts. 老年人睡眠障碍与多个认知领域的变化:一项针对五个北欧队列的多中心研究。
IF 5.6 2区 医学
Sleep Pub Date : 2024-03-11 DOI: 10.1093/sleep/zsad244
Marieclaire Overton, Johan Skoog, Erika J Laukka, Timothy Hadarsson Bodin, Alexander Darin Mattsson, Linnea Sjöberg, Scott M Hofer, Lena Johansson, Jenni Kulmala, Miia Kivipelto, Alina Solomon, Ingmar Skoog, Ingemar Kåreholt, Shireen Sindi
{"title":"Sleep disturbances and change in multiple cognitive domains among older adults: a multicenter study of five Nordic cohorts.","authors":"Marieclaire Overton, Johan Skoog, Erika J Laukka, Timothy Hadarsson Bodin, Alexander Darin Mattsson, Linnea Sjöberg, Scott M Hofer, Lena Johansson, Jenni Kulmala, Miia Kivipelto, Alina Solomon, Ingmar Skoog, Ingemar Kåreholt, Shireen Sindi","doi":"10.1093/sleep/zsad244","DOIUrl":"10.1093/sleep/zsad244","url":null,"abstract":"<p><strong>Study objectives: </strong>We examined and compared cross-sectional and longitudinal associations between self-reported sleep disturbances and various cognitive domains in five separate Nordic European longitudinal aging studies (baseline N = 5631, mean age = 77.7, mean follow-up = 4.16 years).</p><p><strong>Methods: </strong>Comparable sleep parameters across studies included reduced sleep duration/quality, insomnia symptoms (sleep latency, waking up at night, and early awakenings), short and long sleep duration, and daytime napping. The cognitive domains were episodic memory, verbal fluency, perceptual speed, executive functioning, and global cognition (aggregated measure). A series of mixed linear models were run separately in each study and then compared to assess the level and rate of change in cognitive functioning across each sleep disturbance parameter. Models were adjusted for age, sex, education, hypnotic usage, depressive symptoms, lifestyle factors, cardiovascular, and metabolic conditions. By using a coordinated analytic approach, comparable construct-level measurements were generated, and results from identical statistical models were qualitatively compared across studies.</p><p><strong>Results: </strong>While the pattern of statistically significant results varied across studies, subjective sleep disturbances were consistently associated with worse cognition and steeper cognitive decline. Insomnia symptoms were associated with poorer episodic memory and participants sleeping less or more than 7-8 hours had a steeper decline in perceptual speed. In addition, daytime napping (>2 hours) was cross-sectionally and longitudinally associated with all examined cognitive domains. Most observed associations were study-specific (except for daytime napping), and a majority of association estimates remained significant after adjusting for covariates.</p><p><strong>Conclusion: </strong>This rigorous multicenter investigation further supports the importance of sleep disturbance, including insomnia, long and short sleep duration, and daytime napping on baseline cognitive functioning and rate of change among older adults. These sleep factors may be targeted in future lifestyle interventions to reduce cognitive decline.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.6,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10925948/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10241671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Life stress and suicidality mediated by insomnia and depressive symptoms in adolescents: a three-wave longitudinal study. 以青少年失眠和抑郁症状为中介的生活压力和自杀倾向:三波纵向研究。
IF 5.6 2区 医学
Sleep Pub Date : 2024-03-11 DOI: 10.1093/sleep/zsad121
Xianchen Liu, Yanyun Yang, Zhen-Zhen Liu, Cun-Xian Jia
{"title":"Life stress and suicidality mediated by insomnia and depressive symptoms in adolescents: a three-wave longitudinal study.","authors":"Xianchen Liu, Yanyun Yang, Zhen-Zhen Liu, Cun-Xian Jia","doi":"10.1093/sleep/zsad121","DOIUrl":"10.1093/sleep/zsad121","url":null,"abstract":"<p><strong>Study objectives: </strong>Little empirical work has investigated the associations between life stress (LS), insomnia, depression, and suicidality in multi-wave longitudinal studies. With three waves of data collection 1-year apart, this longitudinal study with a large sample of adolescents examined the predicting effects of LS on suicidality 1-year later and 2 years later and the mediating roles of insomnia and depression in the LS-suicidality link.</p><p><strong>Methods: </strong>A total of 6995 adolescents (mean age = 14.86 years, 51.4% male) participated in a three-wave longitudinal study of behavior and health in Shandong, China. A self-administered structured questionnaire and standardized scales were used to assess suicidality (including suicidal thought [ST], suicide plan [SP], and suicide attempt [SA]), LS, insomnia, and depression in 2015 (T1), 1-year later (T2), and 2 years later (T3). Mediation effects were examined with path models.</p><p><strong>Results: </strong>The overall prevalence rates of past-year suicidality were 13.4% at T1, 10.0% at T2, and 9.5% at T3, respectively. The prevalence rates of suicidality across T1-T3 significantly increased with elevated levels of baseline LS, insomnia, and depression (p < .001). Path models indicated that the relationship between baseline LS and suicidal ideation (i.e., ST/SP) 2 years later was significantly mediated by both insomnia and depression. Depression was also a significant mediator between LS and SA.</p><p><strong>Conclusions: </strong>LS is a significant predictor of suicidality 1-2 years later in adolescents. Depression mediates the association between LS and suicidal ideation and suicide attempt while insomnia appears to be a mediator for suicidal ideation rather than suicide attempt.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.6,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9475663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identification of novel loci in obstructive sleep apnea in European American and African American children. 在欧洲裔美国人和非洲裔美国人儿童中鉴定阻塞性睡眠呼吸暂停的新基因位点。
IF 5.6 2区 医学
Sleep Pub Date : 2024-03-11 DOI: 10.1093/sleep/zsac182
Courtney M Quinlan, Xiao Chang, Michael March, Frank D Mentch, Hui-Qi Qu, Yichuan Liu, Joseph Glessner, Patrick M A Sleiman, Hakon Hakonarson
{"title":"Identification of novel loci in obstructive sleep apnea in European American and African American children.","authors":"Courtney M Quinlan, Xiao Chang, Michael March, Frank D Mentch, Hui-Qi Qu, Yichuan Liu, Joseph Glessner, Patrick M A Sleiman, Hakon Hakonarson","doi":"10.1093/sleep/zsac182","DOIUrl":"10.1093/sleep/zsac182","url":null,"abstract":"<p><strong>Study objectives: </strong>To identify genetic susceptibility variants in pediatric obstructive sleep apnea in European American and African American children.</p><p><strong>Methods: </strong>A phenotyping algorithm using electronic medical records was developed to recruit cases with OSA and control subjects from the Center for Applied Genomics at Children's Hospital of Philadelphia (CHOP). Genome-wide association studies (GWAS) were performed in pediatric OSA cases and control subjects with European American (EA) and African American (AA) ancestry followed by meta-analysis and sex stratification.</p><p><strong>Results: </strong>The algorithm accrued 1486 subjects (46.3% European American, 53.7% African American). We identified genomic loci at 1p36.22 and 15q26.1 that associated with OSA risk in EA and AA, respectively. We also revealed a shared risk locus at 18p11.32 (rs114124196, p = 1.72 × 10-8) across EA and AA populations. Additionally, association at 1q43 (rs12754698) and 2p25.1 (rs72775219) was identified in the male-only analysis of EA children with OSA, while association at 8q21.11 (rs6472959), 11q24.3 (rs4370952) and 15q21.1 (rs149936782) was detected in the female-only analysis of EA children and association at 18p11.23 (rs9964029) was identified in the female-only analysis of African-American children. Moreover, the 18p11.32 locus was replicated in an EA cohort (rs114124196, p = 8.8 × 10-3).</p><p><strong>Conclusions: </strong>We report the first GWAS for pediatric OSA in European Americans and African Americans. Our results provide novel insights to the genetic underpins of pediatric OSA.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.6,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40653101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unilateral optogenetic stimulation of Lhx6 neurons in the zona incerta increases REM sleep. 单侧光遗传刺激印堂区的 Lhx6 神经元可增加快速动眼期睡眠
IF 5.6 2区 医学
Sleep Pub Date : 2024-03-11 DOI: 10.1093/sleep/zsad217
Aurelio Vidal-Ortiz, Carlos Blanco-Centurion, Priyattam J Shiromani
{"title":"Unilateral optogenetic stimulation of Lhx6 neurons in the zona incerta increases REM sleep.","authors":"Aurelio Vidal-Ortiz, Carlos Blanco-Centurion, Priyattam J Shiromani","doi":"10.1093/sleep/zsad217","DOIUrl":"10.1093/sleep/zsad217","url":null,"abstract":"<p><p>To determine how a waking brain falls asleep researchers have monitored and manipulated activity of neurons and glia in various brain regions. While imaging Gamma-Aminobutyric Acid (GABA) neurons in the zona incerta (ZI) we found a subgroup that anticipates onset of NREM sleep (Blanco-Centurion C, Luo S, Vidal-Ortiz A, Swank C, Shiromani PJ. Activity of a subset of vesicular GABA-transporter neurons in the ventral ZI anticipates sleep onset. Sleep. 2021;44(6):zsaa268. doi:10.1093/sleep/zsaa268.). To differentiate the GABA subtype we now image and optogenetically manipulate the ZI neurons containing the transcription factor, Lhx6. In the first study, Lhx6-cre mice (n = 5; female = 4) were given rAAV-DJ-EF1a-DIO-GCaMP6M into the ZI (isofluorane anesthesia), a GRIN lens implanted, and 21days later sleep and fluorescence in individual Lhx6 neurons were recorded for 4 hours. Calcium fluorescence was detected in 132 neurons. 45.5% of the Lhx6 neurons were REM-max; 30.3% were wake-max; 11.4% were wake + REM max; 9% were NREM-max; and 3.8% had no change. The NREM-max group of neurons fluoresced 30 seconds ahead of sleep onset. The second study tested the effects of unilateral optogenetic stimulation of the ZI Lhx6 neurons (n = 14 mice) (AAV5-Syn-FLEX-rc[ChrimsonR-tdTomato]. Stimulation at 1 and 5 Hz (1 minute on- 4 minutes off) significantly increased percent REM sleep during the 4 hours stimulation period (last half of day cycle). The typical experimental approach is to stimulate neurons in both hemispheres, but here we found that low-frequency stimulation of ZI Lhx6 neurons in one hemisphere is sufficient to shift states of consciousness. Detailed mapping combined with mechanistic testing is necessary to identify local nodes that can shift the brain between wake-sleep states.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.6,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10034097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Scalp and hippocampal sleep correlates of memory function in drug-resistant temporal lobe epilepsy. 耐药性颞叶癫痫患者头皮和海马睡眠与记忆功能的相关性。
IF 5.3 2区 医学
Sleep Pub Date : 2024-02-08 DOI: 10.1093/sleep/zsad228
Véronique Latreille, Tamir Avigdor, John Thomas, Joelle Crane, Viviane Sziklas, Marilyn Jones-Gotman, Birgit Frauscher
{"title":"Scalp and hippocampal sleep correlates of memory function in drug-resistant temporal lobe epilepsy.","authors":"Véronique Latreille, Tamir Avigdor, John Thomas, Joelle Crane, Viviane Sziklas, Marilyn Jones-Gotman, Birgit Frauscher","doi":"10.1093/sleep/zsad228","DOIUrl":"10.1093/sleep/zsad228","url":null,"abstract":"<p><p>Seminal animal studies demonstrated the role of sleep oscillations such as cortical slow waves, thalamocortical spindles, and hippocampal ripples in memory consolidation. In humans, whether ripples are involved in sleep-related memory processes is less clear. Here, we explored the interactions between sleep oscillations (measured as traits) and general episodic memory abilities in 26 adults with drug-resistant temporal lobe epilepsy who performed scalp-intracranial electroencephalographic recordings and neuropsychological testing, including two analogous hippocampal-dependent verbal and nonverbal memory tasks. We explored the relationships between hemispheric scalp (spindles, slow waves) and hippocampal physiological and pathological oscillations (spindles, slow waves, ripples, and epileptic spikes) and material-specific memory function. To differentiate physiological from pathological ripples, we used multiple unbiased data-driven clustering approaches. At the individual level, we found material-specific cerebral lateralization effects (left-verbal memory, right-nonverbal memory) for all scalp spindles (rs > 0.51, ps < 0.01) and fast spindles (rs > 0.61, ps < 0.002). Hippocampal epileptic spikes and short pathological ripples, but not physiological oscillations, were negatively (rs > -0.59, ps < 0.01) associated with verbal learning and retention scores, with left lateralizing and antero-posterior effects. However, data-driven clustering failed to separate the ripple events into defined clusters. Correlation analyses with the resulting clusters revealed no meaningful or significant associations with the memory scores. Our results corroborate the role of scalp spindles in memory processes in patients with drug-resistant temporal lobe epilepsy. Yet, physiological and pathological ripples were not separable when using data-driven clustering, and thus our findings do not provide support for a role of sleep ripples as trait-like characteristics of general memory abilities in epilepsy.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":null,"pages":null},"PeriodicalIF":5.3,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10851866/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10499260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exposure to indoor light at night in relation to multiple dimensions of sleep health: findings from the Sister Study. 夜间室内光照与睡眠健康的多方面关系:姐妹研究的发现。
IF 5.6 2区 医学
Sleep Pub Date : 2024-02-08 DOI: 10.1093/sleep/zsad100
Marina R Sweeney, Hazel B Nichols, Rena R Jones, Andrew F Olshan, Alexander P Keil, Lawrence S Engel, Peter James, Dale P Sandler, Alexandra J White, Chandra L Jackson
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