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Neural Mechanisms of Infant Neglect and Attention
Neural Mechanisms of Infant Neglect and Attention
Neural Mechanisms of Infant Neglect and Attention

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202103051
ISBN  
9798286426980
DDC  
616
저자명  
Bair-Marshall, Chloe J.
서명/저자  
Neural Mechanisms of Infant Neglect and Attention
발행사항  
[Sl] : New York University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
112 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-12, Section: B.
주기사항  
Advisor: Froemke, Robert C.
학위논문주기  
Thesis (Ph.D.)--New York University, 2025.
초록/해제  
요약How do social interactions change how we experience and approach others? In this dissertation, I approached this question by examining emotional processing of infants during maternal behavior in female mice. Utilizing the observation that pup-naive female mice transition from aversion to attentiveness towards pups after interactions with maternal mice and their litters, we investigated the neural mechanisms that regulate flexible affective processing for maternal behavior. We found that rapid plasticity in central amygdala (CeA) transforms infant aversion into attentiveness after initial pup experience. Specifically, projections from CeA to locus coeruleus (CeA→LC) were strongly activated upon initial pup contact leading to pup aversion. CeA→LC pup responses were reduced with parental experience and down-regulating CeA→LC activity led to less aversion. Oxytocin signaling in central amygdala was required to switch pup aversion to attention, inducing rapid long-term depression of excitatory inputs onto projection neurons. CeA→LC projectors released the stress-related hormone corticotropin-releasing factor (CRF) onto LC neurons, modulating phasic firing to regulate attention. This circuit organization enables local CeA computations of pup valence to be broadcast throughout the brain by the LC central arousal system, leading to appropriate pup-directed behaviors depending on adult state.
일반주제명  
Neurosciences
일반주제명  
Psychobiology
일반주제명  
Molecular biology
키워드  
Corticotropin-releasing factor
키워드  
Pup-naive female mice
키워드  
Maternal behavior
기타저자  
New York University Center for Neural Science
기본자료저록  
Dissertations Abstracts International. 86-12B.
전자적 위치 및 접속  
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MARC

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■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a616
■1001  ▼aBair-Marshall,  Chloe  J.
■24510▼aNeural  Mechanisms  of  Infant  Neglect  and  Attention
■260    ▼a[Sl]▼bNew  York  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a112  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-12,  Section:  B.
■500    ▼aAdvisor:  Froemke,  Robert  C.
■5021  ▼aThesis  (Ph.D.)--New  York  University,  2025.
■520    ▼aHow  do  social  interactions  change  how  we  experience  and  approach  others?  In  this  dissertation,  I  approached  this  question  by  examining  emotional  processing  of  infants  during  maternal  behavior  in  female  mice.  Utilizing  the  observation  that  pup-naive  female  mice  transition  from  aversion  to  attentiveness  towards  pups  after  interactions  with  maternal  mice  and  their  litters,  we  investigated  the  neural  mechanisms  that  regulate  flexible  affective  processing  for  maternal  behavior.  We  found  that  rapid  plasticity  in  central  amygdala  (CeA)  transforms  infant  aversion  into  attentiveness  after  initial  pup  experience.  Specifically,  projections  from  CeA  to  locus  coeruleus  (CeA→LC)  were  strongly  activated  upon  initial  pup  contact  leading  to  pup  aversion.  CeA→LC  pup  responses  were  reduced  with  parental  experience  and  down-regulating  CeA→LC  activity  led  to  less  aversion.  Oxytocin  signaling  in  central  amygdala  was  required  to  switch  pup  aversion  to  attention,  inducing  rapid  long-term  depression  of  excitatory  inputs  onto  projection  neurons.  CeA→LC  projectors  released  the  stress-related  hormone  corticotropin-releasing  factor  (CRF)  onto  LC  neurons,  modulating  phasic  firing  to  regulate  attention.  This  circuit  organization  enables  local  CeA  computations  of  pup  valence  to  be  broadcast  throughout  the  brain  by  the  LC  central  arousal  system,  leading  to  appropriate  pup-directed  behaviors  depending  on  adult  state.
■590    ▼aSchool  code:  0146.
■650  4▼aNeurosciences
■650  4▼aPsychobiology
■650  4▼aMolecular  biology
■653    ▼aCorticotropin-releasing  factor
■653    ▼aPup-naive  female  mice
■653    ▼aMaternal  behavior
■690    ▼a0317
■690    ▼a0349
■690    ▼a0307
■71020▼aNew  York  University▼bCenter  for  Neural  Science.
■7730  ▼tDissertations  Abstracts  International▼g86-12B.
■790    ▼a0146
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17356865▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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