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dissertationApr12.pdf (11.63 MB)
ETD Abstract Container
Abstract Header
SLEEP-WAKE TRANSITION DYNAMICS AND POWER-LAW FITTING WITH AN UPPER BOUND
Author Info
Olmez, Fatih
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=osu1397648163
Abstract Details
Year and Degree
2014, Doctor of Philosophy, Ohio State University, Mathematics.
Abstract
Sleep and wake bout durations, for mammalian species, are known to follow lawful statistical behavior. Experiments have shown that while sleep bout durations are exponentially distributed, the distribution of wake bout durations follow a power-law. Furthermore, in infant rats, wake bout durations are exponentially distributed which turns to a power-law only when the animal develops. In this dissertation, we analyze the sleep-wake regulatory system as a competitive graph model in order to understand the relation between the degree distributions of the graph and the resulting distribution of the bout durations. For graphs with small average excitatory and inhibitory degrees, simulated sleep and wake bout durations are found to follow power-law distributions but only in finite intervals. For a careful identification of power-law distributions in finite intervals, we developed a robust method for fitting a power-law distribution with an upper bound. This new method is also applied on real sleep and wake bout durations collected from rat experiments, and the numerical analysis showed that sleep bouts are exponentially distributed only in the tail which is preceded by a power-law distributed region in a finite interval.
Committee
Janet Best (Advisor)
Edward Overman (Committee Member)
David Sivakoff (Committee Member)
Vincent Billock (Other)
Pages
185 p.
Subject Headings
Applied Mathematics
;
Mathematics
;
Neurosciences
Keywords
sleep
;
wake
;
bout
;
power-law
;
exponential
;
KS
;
fitting
;
regulated
;
Brownian
;
bootstrap
;
mean
;
field
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Citations
Olmez, F. (2014).
SLEEP-WAKE TRANSITION DYNAMICS AND POWER-LAW FITTING WITH AN UPPER BOUND
[Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397648163
APA Style (7th edition)
Olmez, Fatih.
SLEEP-WAKE TRANSITION DYNAMICS AND POWER-LAW FITTING WITH AN UPPER BOUND.
2014. Ohio State University, Doctoral dissertation.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=osu1397648163.
MLA Style (8th edition)
Olmez, Fatih. "SLEEP-WAKE TRANSITION DYNAMICS AND POWER-LAW FITTING WITH AN UPPER BOUND." Doctoral dissertation, Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397648163
Chicago Manual of Style (17th edition)
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Document number:
osu1397648163
Download Count:
130
Copyright Info
© 2014, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.