发现婴儿在生命的前半年内不同的运动发育轨迹
Riley C Elmer1,2, Moon Sun Kang3,4, Beth A Smith1,2,5,6
1Infant Neuromotor Control Laboratory, Division of Developmental Behavioral Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA, USA.
medRxiv : the preprint server for health sciences
|February 20, 2025
概括
机器学习确定了两个不同的婴儿运动发育轨迹:低基线缓慢增长和高基线快速增长. 早产不仅仅决定了这些发育路径,突出了需要个性化婴儿评估的需要.
科学领域:
- 发育儿科 发育儿科
- 医疗保健中的机器学习
- 婴儿运动发展 婴儿运动发展
背景情况:
- 婴儿表现出不同的发育轨迹,受到诸如早产等因素的影响.
- 运动发育的个体变化需要先进的分析方法.
- 目前的方法可能无法完全捕捉婴儿发育的异质性.
研究的目的:
- 应用数据驱动的无监督机器学习来识别婴儿独特的运动发育轨迹.
- 根据运动技能的进展,将婴儿分为特定的发展路径.
- 调查早产与已识别的发育轨迹有关的作用.
主要方法:
- 在婴幼儿发育贝利尺度III版本 (BSID-III) 的运动子尺度上使用潜伏类生长分析 (LCGA).
- 分析了34名婴儿 (15名早产,19名满产) 的数据,每月评估1至6个月.
- 选择了一种线性,双类型的模型,因为它最适合粗和细动力发展.
主要成果:
- 确定了两个不同的运动发育轨迹:低基线缓慢增长 (LBSG) 和高基线快速增长 (HBFG).
- 这两种轨迹都包括了满期和早产婴儿的混合体,表明早产不是唯一的决定因素.
- 在两组之间观察到精细运动技能晚期运动复合分数的显著差异 (p = 0.04).
结论:
- 在婴儿中,LCGA有效阐明了异质的运动发育轨迹.
- 研究结果表明,早产本身并不能充分分类婴儿的发育轨迹.
- 个性化风险评估和干预措施对于优化婴儿运动发育结果至关重要.
相关概念视频
Language Development
308
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
308
Piaget's Stage 1 of Cognitive Development
582
The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
582
Direct Motor Pathways
1.8K
The direct motor pathways, also known as the pyramidal tracts, are a group of neural pathways that originate in the brain and descend through the spinal cord. They control the voluntary movement of the body. There are two major direct motor pathways: the corticospinal and the corticobulbar tracts.
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and...
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and...
1.8K
Indirect Motor Pathways
1.4K
The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
1.4K
Hierarchy of Motor Control
2.4K
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
2.4K
Socioemotional Development during Infancy
31
Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
Primary Temperament Types
31


