01. sleepsign_presentation - ver3.0.ppt
TRANSCRIPT
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Sleep Analysis Software
SleepSign® for Animal
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Summary1. History
Industry standard software developed withOBI and accepted world wide
2. Data acquisitionAny devices can be integrated
3. Sleep stage scoringEasy enough for beginnersSophisticated enough for experts
4. Post analysisQuick and easy reporting
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Osaka Bioscience Institute
JapaJapann
OsakOsakaa
http://www.obi.or.jp
•Discovered somnogenic effect of PGD2 Discovered somnogenic effect of PGD2
•Citation of published scientific papers, world NO.1 Citation of published scientific papers, world NO.1
•KISSEI co-developed SleepSignKISSEI co-developed SleepSign
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International customers•13 countries, 240 licenses 13 countries, 240 licenses •Cited by most highly ranked scientific Cited by most highly ranked scientific papers papers
JapaJapann USAUSAOsaka Bioscience Osaka Bioscience
InstituteInstituteMolecular Behavioral Biology
Tokyo Medical and Dental UniversityTokyo Medical and Dental UniversityInstitute of Biomaterials and Bioengineering
Stanford UniversityStanford UniversityCenter for Narcolepsy
Eastern Virginia Medical CollegeEastern Virginia Medical CollegeDepartment of Pathology and Anatomy
Harvard Medical SchoolHarvard Medical SchoolDepartment of Neurology
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Beijing universityBeijing universityDepartment of pharmacology
Korea Institute of Science Korea Institute of Science and Technologyand TechnologyCenter for Neuroscience
Waseda-Olympus InsWaseda-Olympus Institute. Singaporetitute. SingaporeCenter for Neuroscience
Chinese university Chinese university of Hong Kongof Hong KongCenter for Neuroscience
GlaxoSmithKlineGlaxoSmithKline
Eli LillyEli LillyPfizerPfizerAsiaAsia
EUEUFudan universityFudan university
Hôpital Pellegrin.Boudreaux France
Jawahar Lal Jawahar Lal Nehru UniversityNehru University
IndiaIndia
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Import directly
SleepSign
Digital data import
BIOPAC
DSI Dataquest A.R.T
EDF file (European Data Format)
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A/D conversion card
Analogue recording
Analogue amplifier
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Analogue recording + Video
Analogue amplifier
MPEG encoder card
Camera
A/D conversion card
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EEG is a waveA wave is defined by
Amplitude and Frequency
Amplitude
FrequencyFrequency
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Human sleep EEG
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FFT (Fast Fourier Transformation)
1 sec
FFT maps the power of each frequency bins in a wave
2Hz
Waveform Power spectra
μV2
Hz
μV2
Hz
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Rat sleep stages
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Wake to NREM
EEG
EMG
FFTHigh amplitude slow wave
Wake NREM NREM
EMG becomes flat
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NREM to REM
EEG
EMG
FFTLow amplitude, theta wave
NREM REM REM
EMG is flat
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REM to Wake
EEG
EMG
FFT
WakeREM Wake
Not rhythmical
EMG becomes active
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Automatic scoring• Easy operation• Computer assists criteria decision• 85-95% agreement to human visual scoring
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Quality of sleep
The number of brief wake
Duration of sleep wake episodesTotal amount of each stage
Sleep onset
Evaluate efficacies on sleep regulation
Delta power for sleep stage
Quantity of sleep
Various analysis parameters
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The number of Brief wake (Hypnogram)
Timescale graph of sleep stages
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4 s
Brief Wake between NREM Sleep in Mice
EEG
EMG
brief wake(<16 s)NREM NREM
WT
H1RKO
W
R
N
8:00 8:15 8:30 8:45
W
R
N
Huang, et al., PNAS 2006
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Total amount of sleep stage (Stage Graph)
Total amount spent in each sleep stages per time bins
Light Dark
REMWakeREM
NonREM
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Mizoguchi & Eguchi et al., PNAS 2001
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Duration of sleep episodes (Vigilance State Parameters)
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Huang, et al., PNAS 2006
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The amount of delta power (Average FFT)
Stage dependent average FFT per time bin
NREM/Light’’’’’’’’’’’’’’’'
NREM/Dark
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Multi Animal ScreeningNew function
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Rat sleep stages
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Simple interfaceSD
Rat
_1SD
Rat
_2S
D R
at_3
SD R
at_4
Simple pre –setting parameter menu
multi screening is executed after pre-setting common value of screening parameters
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Initialize Scoring Ratio
R 8% W 12% NR 80%
Step1: calc each portions of R/W/NR
NR 80%
Step2: multiple ratio of Light/Dark phase
Light phase 80%Dark phase 20%
NR 16% NR 64%
X
R6.4% W 9.6% NR 64%R 1.6%W 2.4% NR 16%
Dark phase 20% Light phase 80%
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Adjusting
WR
NR
Loco
mot
ion
activ
ity (c
ount
)
EE
G
pow
er(
V2 )
EE
G/
(+
) ra
tio(%
)
EM
Gin
tegr
al(
V/s
ec)
12:00 14:00 16:00 24:00 02:00 04:00Clock time
Light phase Dark phaserat
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Locmoter
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Summary1. History
Industry standard software developed withOBI and accepted world wide
2. Data acquisitionAny devices can be integrated
3. Sleep stage scoringEasy enough for beginnersSophisticated enough for experts
4. Post analysisQuick and easy reporting
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AcknowledgmentsDr. T. Mochizuki (Beth Israel Deaconess Medical Center and Harvard Medical School)
Dr. X. Tang (Eastern Virginia Medical School)
Dr. Z. Huang (Fudan University and Osaka Bioscience Institute)
Dr. O. Hayaishi, Dr. Y. Urade (Osaka Bioscience Institute)
Dr. S. Nishino, N. Fujiki (Stanford University, Center for Narcolepsy)
Dr. Z. Hu (Third Military Medical University)
Dr. S. Inoue, K. Honda (Tokyo Medical and Dental University)
Dr. N. Eguchi (Waseda-Olympus Bioscience Reserach Institute)