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The Role of Cognitive Control in Modulating Motor Skill Expertise
The Role of Cognitive Control in Modulating Motor Skill Expertise
The Role of Cognitive Control in Modulating Motor Skill Expertise

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자료유형  
 학위논문 서양
최종처리일시  
20250211152956
ISBN  
9798384043423
DDC  
616
저자명  
Nguyen, Quynh.
서명/저자  
The Role of Cognitive Control in Modulating Motor Skill Expertise
발행사항  
[Sl] : University of Michigan, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
145 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-03, Section: B.
주기사항  
Advisor: Lee, Taraz.
학위논문주기  
Thesis (Ph.D.)--University of Michigan, 2024.
초록/해제  
요약Successful performance of a motor skill involves more than just executing the necessary movements. Equally important to motor performance are preparatory processes such as goal and action selection, as well as motivational factors such as the prospect of a reward - all of which are mediated at least partially by cognitive control and its associated brain circuits. As these processes become streamlined and consolidated with practice, the extent to which cognitive control remains integral to skilled motor performance is unclear. The current dissertation aims to systematically elucidate the role of cognitive control in motor skills, both at the behavioral and the neural level, as a function of expertise and reward. Most dominant motor theories posit that explicit knowledge and attention are essential at the early stages of a motor skill. Once the skill has been well-learned, explicitly attending to one's movements can often impair performance. In Chapter 2, we examined how this behavioral impairment could be affected by enhancing cognitive control processes through increased motivation with reward. We found that, rather than globally affecting motor vigor or task engagement, reward significantly modulated the disruptive effect of cognitive control on expert typing skill. The result suggests the potential for cognitive control to positively contribute to expert motor performance by mediating the enhancement effect of reward. In Chapter 3, we sought more direct evidence for the long-term involvement of cognitive control in skilled motor performance. This was done by transiently inhibiting one of the major neural substrates of cognitive control, the dorsolateral prefrontal cortex (DLPFC). For comparison, we separately targeted the primary motor cortex (M1), which assumes a more persistent role over the course of motor learning. We found that disruption of M1 and DLPFC degraded performance regardless of skill level. However, DLPFC disruption degraded novice performance more than expert performance, and M1 disruption degraded expert performance more than novice performance. These findings are consistent with the idea that motor control necessitates different neural circuits depending on the level of skill. Cognitive control is also known to influence motor performance indirectly, by mediating motivational effects. However, research on the neural correlates of this reward-action link has often overlooked brain regions associated with cognitive control functions. Part of the challenge lies with the high inter-individual variability of these executive regions, particularly those in the prefrontal cortex (PFC). The last chapter tested the possibility that PFC encodes the reward-action link in an individually specific manner. Using an advanced multivariate-pattern similarity analysis (RSA) technique, we found that the anterior PFC encoded individual-specific aspects of motivated motor performance, above and beyond the population-general effects of motor sequence and of reward. Taken together, these findings solidify the importance of cognitive control and its neural substrates in modulating motor skills under a variety of conditions. Not only is cognitive control indispensable at the early stages of motor expertise, it continues to regulate the execution of well-learned motor skills. Despite the diminishing causal importance of DLPFC, one of the brain regions responsible for cognitive control, over the course of motor training, it remains necessary for the execution of visuospatial movements. In addition to direct modulatory effects, cognitive control also influences motor expertise by mediating reward-modulated motor enhancement. Brain regions responsible for cognitive control also contribute to motor expertise by encoding reward-motor interactions in an individually specific manner.
일반주제명  
Neurosciences
일반주제명  
Behavioral psychology
일반주제명  
Cognitive psychology
일반주제명  
Medical imaging
키워드  
Cognitive control
키워드  
Motor skill
키워드  
Rewards
키워드  
Magnetic resonance imaging
키워드  
Transcranial magnetic stimulation (TMS)
키워드  
Multivariate pattern
기타저자  
University of Michigan Psychology
기본자료저록  
Dissertations Abstracts International. 86-03B.
전자적 위치 및 접속  
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MARC

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■24510▼aThe  Role  of  Cognitive  Control  in  Modulating  Motor  Skill  Expertise
■260    ▼a[Sl]▼bUniversity  of  Michigan▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a145  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-03,  Section:  B.
■500    ▼aAdvisor:  Lee,  Taraz.
■5021  ▼aThesis  (Ph.D.)--University  of  Michigan,  2024.
■520    ▼aSuccessful  performance  of  a  motor  skill  involves  more  than  just  executing  the  necessary  movements.  Equally  important  to  motor  performance  are  preparatory  processes  such  as  goal  and  action  selection,  as  well  as  motivational  factors  such  as  the  prospect  of  a  reward  -  all  of  which  are  mediated  at  least  partially  by  cognitive  control  and  its  associated  brain  circuits.  As  these  processes  become  streamlined  and  consolidated  with  practice,  the  extent  to  which  cognitive  control  remains  integral  to  skilled  motor  performance  is  unclear.  The  current  dissertation  aims  to  systematically  elucidate  the  role  of  cognitive  control  in  motor  skills,  both  at  the  behavioral  and  the  neural  level,  as  a  function  of  expertise  and  reward.  Most  dominant  motor  theories  posit  that  explicit  knowledge  and  attention  are  essential  at  the  early  stages  of  a  motor  skill.  Once  the  skill  has  been  well-learned,  explicitly  attending  to  one's  movements  can  often  impair  performance.  In  Chapter  2,  we  examined  how  this  behavioral  impairment  could  be  affected  by  enhancing  cognitive  control  processes  through  increased  motivation  with  reward.  We  found  that,  rather  than  globally  affecting  motor  vigor  or  task  engagement,  reward  significantly  modulated  the  disruptive  effect  of  cognitive  control  on  expert  typing  skill.  The  result  suggests  the  potential  for  cognitive  control  to  positively  contribute  to  expert  motor  performance  by  mediating  the  enhancement  effect  of  reward.  In  Chapter  3,  we  sought  more  direct  evidence  for  the  long-term  involvement  of  cognitive  control  in  skilled  motor  performance.  This  was  done  by  transiently  inhibiting  one  of  the  major  neural  substrates  of  cognitive  control,  the  dorsolateral  prefrontal  cortex  (DLPFC).  For  comparison,  we  separately  targeted  the  primary  motor  cortex  (M1),  which  assumes  a  more  persistent  role  over  the  course  of  motor  learning.  We  found  that  disruption  of  M1  and  DLPFC  degraded  performance  regardless  of  skill  level.  However,  DLPFC  disruption  degraded  novice  performance  more  than  expert  performance,  and  M1  disruption  degraded  expert  performance  more  than  novice  performance.  These  findings  are  consistent  with  the  idea  that  motor  control  necessitates  different  neural  circuits  depending  on  the  level  of  skill.  Cognitive  control  is  also  known  to  influence  motor  performance  indirectly,  by  mediating  motivational  effects.  However,  research  on  the  neural  correlates  of  this  reward-action  link  has  often  overlooked  brain  regions  associated  with  cognitive  control  functions.  Part  of  the  challenge  lies  with  the  high  inter-individual  variability  of  these  executive  regions,  particularly  those  in  the  prefrontal  cortex  (PFC).  The  last  chapter  tested  the  possibility  that  PFC  encodes  the  reward-action  link  in  an  individually  specific  manner.  Using  an  advanced  multivariate-pattern  similarity  analysis  (RSA)  technique,  we  found  that  the  anterior  PFC  encoded  individual-specific  aspects  of  motivated  motor  performance,  above  and  beyond  the  population-general  effects  of  motor  sequence  and  of  reward.  Taken  together,  these  findings  solidify  the  importance  of  cognitive  control  and  its  neural  substrates  in  modulating  motor  skills  under  a  variety  of  conditions.  Not  only  is  cognitive  control  indispensable  at  the  early  stages  of  motor  expertise,  it  continues  to  regulate  the  execution  of  well-learned  motor  skills.  Despite  the  diminishing  causal  importance  of  DLPFC,  one  of  the  brain  regions  responsible  for  cognitive  control,  over  the  course  of  motor  training,  it  remains  necessary  for  the  execution  of  visuospatial  movements.  In  addition  to  direct  modulatory  effects,  cognitive  control  also  influences  motor  expertise  by  mediating  reward-modulated  motor  enhancement.  Brain  regions  responsible  for  cognitive  control  also  contribute  to  motor  expertise  by  encoding  reward-motor  interactions  in  an  individually  specific  manner.
■590    ▼aSchool  code:  0127.
■650  4▼aNeurosciences
■650  4▼aBehavioral  psychology
■650  4▼aCognitive  psychology
■650  4▼aMedical  imaging
■653    ▼aCognitive  control
■653    ▼aMotor  skill
■653    ▼aRewards
■653    ▼aMagnetic  resonance  imaging
■653    ▼aTranscranial  magnetic  stimulation  (TMS)
■653    ▼aMultivariate  pattern
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■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164388▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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