Spontaneous EEG and Sleep Donders MEG/EEG Toolkit Martin Dresler
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1 Spontaneous EEG and Sleep Donders MEG/EEG Toolkit Martin Dresler
2 Spontaneous EEG and Sleep Agenda Recording methods Oscillations on different time scales Examples: functions of sleep
3 Polysomnography Electroencephalogram (EEG)
4 Polysomnography Electroencephalogram (EEG) Electrooculogram (EOG) Electromyogram (EMG)
5 Sleep stages: N1 - slowing of EEG - disappearance of alpha - slow eye rolling
6 Sleep stages: N2 - sleep spindles (10-16Hz) - K-complexes (0.5-1Hz)
7 Sleep stages: N3 - deep sleep / slow wave sleep - delta oscillations (<4 Hz)
8 Sleep stages: REM - rapid eye movements - wake like EEG - muscle atonia (paralyzed)
9 Sleep stages: overview Brain / EEG Eyes / EOG Muscles / EMG wake REM N1 N2 N3
10 Sleep EEG: lab vs. home recordings
11 Sleep EEG headbands SmartSleep (Philips) Dreem (rythm) Zmax (Hypnodyne) Aurora Dreamband (iwinks)
12 Combined EEG/fMRI
13 Combined EEG/fMRI: sleep spindles Schabus et al., 2007
14 Combined EEG/NIRS
15 Combined EEG/NIRS real hand movements dreamed hand movements HbO Dresler et al., 2011
16 Spontaneous EEG and Sleep Agenda Recording methods Oscillations on different time scales Examples: functions of sleep
17 Sleep: nested oscillations
18 Sleep: nested oscillations % % Weber in prep. Staresina et al., 2015
19 Sleep: ultradian oscillations
20 Sleep: circadian oscillations
21 Sleep: synchronization through light
22 Sleep: weekly oscillations
23 Sleep: monthly oscillations? Cajochen et al., 2013 but: Cordi et al., 2014
24 Sleep: annual oscillations
25 Sleep regulation: two-process model nap sleep sleep deprivation % slow wave activity
26 Sleep pressure microsleep local sleep
27 Combined EEG/fMRI: vigilance measurement Czisch et al., 2012
28 Spontaneous EEG and Sleep Agenda Recording methods Oscillations on different time scales Examples: functions of sleep
29 Sleep: more than a substitute for coffee! immune system hormones brain clearance simulation emotions memory
30 Sleep: more than a substitute for coffee! immune system hormones brain clearance simulation emotions memory
31 Brain clearance function of sleep Xie et al., 2013
32 Brain clearance function of sleep Ooms et al., 2017
33 Brain clearance function of sleep Ooms et al., 2017
34 Brain clearance function of sleep responders non-responders Ju et al., 2017
35 Sleep: more than a substitute for coffee! immune system hormones brain clearance simulation emotions memory
36 Endocrine function of sleep
37 Endocrinological function of sleep
38 Endocrinological function of sleep
39 Sleep: more than a substitute for coffee! immune system hormones brain clearance simulation emotions memory
40 Immunological function of sleep sleep sleep-deprived Lange et al., 2011
41 Immunological function of sleep Besedovsky et al., 2017
42 Sleep: more than a substitute for coffee! immune system hormones brain clearance simulation emotions memory
43 Slow wave activity Huber et al., 2004
44 Slow wave activity Ngo et al., 2013
45 Sleep spindles Learning Non-learning Gais et al., 2002 Nishida & Walker, 2007
46 Sleep spindles Lustenberger et al., 2016
47 Cued memory reactivation Schreiner & Rasch, 2015
48 Sleep: more than a substitute for coffee! immune system hormones brain clearance simulation emotions memory
49 Emotional function of sleep Goldstein-Piekarski et al., 2015
50 Depression and sleep deprivation Wu & Bunney, 1990
51 Depression and sleep deprivation Hemmeter et al., 1998
52 Sleep: more than a substitute for coffee! immune system simulation hormones brain clearance emotions memory
53 Sleep
54 Dream experience vs. no experience NREM REM Siclari et al. 2017
55 Dream experience vs. no experience NREM REM Siclari et al. 2017
56 Dream content Siclari et al. 2017
57 ...am I dreaming?
58 Lucid dreaming Hearne, 1978 EEG EOG EMG LaBerge et al., 1981
59 Neural correlates of dream content real hand movement dreamed hand movement Dresler et al., 2011
60 Neural correlates of lucid dreaming 40 Hz gamma power wake lucid REM non-lucid REM Voss et al., 2009
61 Neural correlates of lucid dreaming transcranial alternating current stimulation (tacs) 40 Hz: lucid REM Voss et al., 2014 Voss et al., 2009 Voss et al., 2014
62 Conclusions Spontaneous EEG activity harbors important information In particular sleep before, during, after experiment! Cascade of nested oscillations Options to manipulate spontaneous oscillations
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