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What a Bouncing Ball Tells Us About the Brain, Development, and Autism
What a Bouncing Ball Tells Us About the Brain, Development, and Autism
What a Bouncing Ball Tells Us About the Brain, Development, and Autism

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20250211151345
ISBN  
9798383200049
DDC  
136
저자명  
Marin, Andrew.
서명/저자  
What a Bouncing Ball Tells Us About the Brain, Development, and Autism
발행사항  
[Sl] : University of California, San Diego, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
134 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-01, Section: A.
주기사항  
Advisor: Carver, Leslie J.
학위논문주기  
Thesis (Ph.D.)--University of California, San Diego, 2024.
초록/해제  
요약In everyday perception, dynamic objects move and collide within physical environments, producing expected sounds. In this dissertation, I suggest that perceptual phenomena, like a bouncing ball, may offer mechanistic insights into: 1) how the brain anticipates sound via the integration of dynamic visual cues, 2) clinical conditions who show differences in the ability to anticipate, and 3) the developmental emergence of skills used to anticipate sound. In a series of experiments, I presented neurotypical and autistic adults, and neurotypical infants a dynamic visual object that collides with a physical barrier, eliciting a sound at the point of expected collision (AV-synchronous), or unexpectedly before collision (AV-asynchronous). In chapter one, I recorded event-related potentials (ERPs) from neurotypical adults who were exposed to sounds that either synchronized with visual collision or occurred asynchronously before collision. I also included conditions where the object was occluded during synchronous collision, or when sound was presented without dynamic visual cues. I found that synchronous and occluded collision sounds elicited an attenuated auditory response relative to asynchronous or audio-only sounds. These results suggest that dynamic visual stimuli can help generate expectations about the timing of sound, which then facilitates the processing of auditory information that matches these expectations. In chapter two, I replicated the same methods as in chapter one, but in a sample of autistic adults. Here, I observed greater amplitudes toward asynchrony in autism relative to neurotypicals, while no group differences toward fully visible or occluded synchrony emerged. These results suggest that neural responses to prediction errors are affected in autism, and not the integration of top-down expectations. In chapter three, I modified these methods for use in neurotypical infants to show that 4-to-5-month-olds look longer to bounce sounds that violate temporal expectations of when a bounce sound should occur. These studies highlight the presence of neural mechanisms sensitive to predictable sound, which appear to be different in clinical populations like autism. Moreover, infants are sensitive to collision sounds, demonstrating that these perceptual skills are available early in life. Collectively, these methods could be further leveraged to understand the emergence of neurodevelopmental conditions like autism.
일반주제명  
Developmental psychology
일반주제명  
Neurosciences
일반주제명  
Disability studies
키워드  
Audio-visual
키워드  
Autism
키워드  
Event-related potentials
키워드  
Expectation
키워드  
Infancy
키워드  
Predictive coding
기타저자  
University of California, San Diego Psychology
기본자료저록  
Dissertations Abstracts International. 86-01A.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■1001  ▼aMarin,  Andrew.
■24510▼aWhat  a  Bouncing  Ball  Tells  Us  About  the  Brain,  Development,  and  Autism
■260    ▼a[Sl]▼bUniversity  of  California,  San  Diego▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a134  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-01,  Section:  A.
■500    ▼aAdvisor:  Carver,  Leslie  J.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  San  Diego,  2024.
■520    ▼aIn  everyday  perception,  dynamic  objects  move  and  collide  within  physical  environments,  producing  expected  sounds.  In  this  dissertation,  I  suggest  that  perceptual  phenomena,  like  a  bouncing  ball,  may  offer  mechanistic  insights  into:  1)  how  the  brain  anticipates  sound  via  the  integration  of  dynamic  visual  cues,  2)  clinical  conditions  who  show  differences  in  the  ability  to  anticipate,  and  3)  the  developmental  emergence  of  skills  used  to  anticipate  sound.  In  a  series  of  experiments,  I  presented  neurotypical  and  autistic  adults,  and  neurotypical  infants  a  dynamic  visual  object  that  collides  with  a  physical  barrier,  eliciting  a  sound  at  the  point  of  expected  collision  (AV-synchronous),  or  unexpectedly  before  collision  (AV-asynchronous).  In  chapter  one,  I  recorded  event-related  potentials  (ERPs)  from  neurotypical  adults  who  were  exposed  to  sounds  that  either  synchronized  with  visual  collision  or  occurred  asynchronously  before  collision.  I  also  included  conditions  where  the  object  was  occluded  during  synchronous  collision,  or  when  sound  was  presented  without  dynamic  visual  cues.  I  found  that  synchronous  and  occluded  collision  sounds  elicited  an  attenuated  auditory  response  relative  to  asynchronous  or  audio-only  sounds.  These  results  suggest  that  dynamic  visual  stimuli  can  help  generate  expectations  about  the  timing  of  sound,  which  then  facilitates  the  processing  of  auditory  information  that  matches  these  expectations.  In  chapter  two,  I  replicated  the  same  methods  as  in  chapter  one,  but  in  a  sample  of  autistic  adults.  Here,  I  observed  greater  amplitudes  toward  asynchrony  in  autism  relative  to  neurotypicals,  while  no  group  differences  toward  fully  visible  or  occluded  synchrony  emerged.  These  results  suggest  that  neural  responses  to  prediction  errors  are  affected  in  autism,  and  not  the  integration  of  top-down  expectations.  In  chapter  three,  I  modified  these  methods  for  use  in  neurotypical  infants  to  show  that  4-to-5-month-olds  look  longer  to  bounce  sounds  that  violate  temporal  expectations  of  when  a  bounce  sound  should  occur.  These  studies  highlight  the  presence  of  neural  mechanisms  sensitive  to  predictable  sound,  which  appear  to  be  different  in  clinical  populations  like  autism.  Moreover,  infants  are  sensitive  to  collision  sounds,  demonstrating  that  these  perceptual  skills  are  available  early  in  life.  Collectively,  these  methods  could  be  further  leveraged  to  understand  the  emergence  of  neurodevelopmental  conditions  like  autism.
■590    ▼aSchool  code:  0033.
■650  4▼aDevelopmental  psychology
■650  4▼aNeurosciences
■650  4▼aDisability  studies
■653    ▼aAudio-visual
■653    ▼aAutism
■653    ▼aEvent-related  potentials
■653    ▼aExpectation
■653    ▼aInfancy
■653    ▼aPredictive  coding
■690    ▼a0620
■690    ▼a0317
■690    ▼a0201
■71020▼aUniversity  of  California,  San  Diego▼bPsychology.
■7730  ▼tDissertations  Abstracts  International▼g86-01A.
■790    ▼a0033
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17161357▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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