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Reducing Parameter Count in a Stochastic Model for Hair-Bundle Oscillations
Reducing Parameter Count in a Stochastic Model for Hair-Bundle Oscillations
Reducing Parameter Count in a Stochastic Model for Hair-Bundle Oscillations

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202104654
ISBN  
9798280769526
DDC  
574.191
저자명  
Marcinik, Joseph Michael.
서명/저자  
Reducing Parameter Count in a Stochastic Model for Hair-Bundle Oscillations
발행사항  
[Sl] : University of California, Los Angeles, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
162 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-12, Section: B.
주기사항  
Advisor: Bozovic, Dolores.
학위논문주기  
Thesis (Ph.D.)--University of California, Los Angeles, 2025.
초록/해제  
요약We explore how to reduce the number of parameters in biophysical models, which often suffer from an excess of parameters. Specifically, we simplify and fit a stochastic model for the active motility of hair bundles, constructed from experimental observations. Using statistical techniques from sensitivity analysis, we rank parameters in the model quantitatively. We then fix the least influential parameters, yielding a reduced deterministic model, validated using information criteria to ensure optimal predictive power. To fit a stochastic version of this model to measured hair bundles, we develop a suitable cost function to fit oscillatory models, applying it to the stochastic hair-bundle model to constrain its parameter values. Not only does this work contribute a general framework to fit stochastic oscillatory models to measured traces, but it also illuminates the key biophysical mechanisms in the model.
일반주제명  
Biophysics
일반주제명  
Applied mathematics
일반주제명  
Cellular biology
일반주제명  
Neurosciences
키워드  
Hair cells
키워드  
Hearing
키워드  
Model reduction
키워드  
Oscillation
키워드  
Parameter estimation
키워드  
Stochastic oscillatory models
기타저자  
University of California, Los Angeles Physics 0666
기본자료저록  
Dissertations Abstracts International. 86-12B.
전자적 위치 및 접속  
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MARC

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■035    ▼a(MiAaPQ)AAI32115693
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a574.191
■1001  ▼aMarcinik,  Joseph  Michael.
■24510▼aReducing  Parameter  Count  in  a  Stochastic  Model  for  Hair-Bundle  Oscillations
■260    ▼a[Sl]▼bUniversity  of  California,  Los  Angeles▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a162  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-12,  Section:  B.
■500    ▼aAdvisor:  Bozovic,  Dolores.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  Los  Angeles,  2025.
■520    ▼aWe  explore  how  to  reduce  the  number  of  parameters  in  biophysical  models,  which  often  suffer  from  an  excess  of  parameters.  Specifically,  we  simplify  and  fit  a  stochastic  model  for  the  active  motility  of  hair  bundles,  constructed  from  experimental  observations.  Using  statistical  techniques  from  sensitivity  analysis,  we  rank  parameters  in  the  model  quantitatively.  We  then  fix  the  least  influential  parameters,  yielding  a  reduced  deterministic  model,  validated  using  information  criteria  to  ensure  optimal  predictive  power.  To  fit  a  stochastic  version  of  this  model  to  measured  hair  bundles,  we  develop  a  suitable  cost  function  to  fit  oscillatory  models,  applying  it  to  the  stochastic  hair-bundle  model  to  constrain  its  parameter  values.  Not  only  does  this  work  contribute  a  general  framework  to  fit  stochastic  oscillatory  models  to  measured  traces,  but  it  also  illuminates  the  key  biophysical  mechanisms  in  the  model.
■590    ▼aSchool  code:  0031.
■650  4▼aBiophysics
■650  4▼aApplied  mathematics
■650  4▼aCellular  biology
■650  4▼aNeurosciences
■653    ▼aHair  cells
■653    ▼aHearing
■653    ▼aModel  reduction
■653    ▼aOscillation
■653    ▼aParameter  estimation
■653    ▼aStochastic  oscillatory  models
■690    ▼a0786
■690    ▼a0364
■690    ▼a0379
■690    ▼a0317
■71020▼aUniversity  of  California,  Los  Angeles▼bPhysics  0666.
■7730  ▼tDissertations  Abstracts  International▼g86-12B.
■790    ▼a0031
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358392▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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