2005
DOI: 10.1002/dev.20046
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Upper and lower body functional asymmetries in the newborn: Do they have the same lateral biases?

Abstract: It is still an open question as to whether functional asymmetries in the human newborn derive from a single lateralized system or multiple subsystems based on different neural mechanisms. In the present study, asymmetries in head turning were compared to those in leg movements during stepping and placing, with the latter also being related to differences in leg mass. The effects of an active versus an inactive state or condition were examined for all three behaviors. No overall lateral biases were found for he… Show more

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Cited by 8 publications
(3 citation statements)
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References 30 publications
(44 reference statements)
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“…This study is also novel in its examination of newborn lateral asymmetries through the quantification of self‐generated upper limb movements. Most studies that looked at newborn asymmetries, focused either on observations of the palmar grasp reflex (Grattan et al, ; Tan & Tan, ; Tan, Ors, Kurkcuoglu, & Kutlu, ; Tan, Ors, Kurkcuoglu, Kutlu & Cankaya, ) or the spontaneous head orientation (Cioni & Pellegrinetti, ; Domellöf, Hopkins & Rönnqvist, ; Ecklund‐Flores & Turkewitz, ; Grattan, Vos de, Levy, & McClintock, ; Hopkins et al, ; Michel, ; Rönnqvist & Hopkins, ; Thompson & Smart, ). We found no studies referring to asymmetries in arm movements' immediately after birth.…”
Section: Discussionmentioning
confidence: 99%
“…This study is also novel in its examination of newborn lateral asymmetries through the quantification of self‐generated upper limb movements. Most studies that looked at newborn asymmetries, focused either on observations of the palmar grasp reflex (Grattan et al, ; Tan & Tan, ; Tan, Ors, Kurkcuoglu, & Kutlu, ; Tan, Ors, Kurkcuoglu, Kutlu & Cankaya, ) or the spontaneous head orientation (Cioni & Pellegrinetti, ; Domellöf, Hopkins & Rönnqvist, ; Ecklund‐Flores & Turkewitz, ; Grattan, Vos de, Levy, & McClintock, ; Hopkins et al, ; Michel, ; Rönnqvist & Hopkins, ; Thompson & Smart, ). We found no studies referring to asymmetries in arm movements' immediately after birth.…”
Section: Discussionmentioning
confidence: 99%
“…Por outro lado, a posição da cabeça durante o período fetal e o virar da cabeça espontâneo logo após o nascimento foram relacionados com actividades manuais (manipulação e preferência) na infância (6) . A observação de recém-nascidos demonstra, do mesmo modo, uma variedade de tendências motoras laterais, nos contactos da mão com a face, na orientação da cabeça (7,8) , no reflexo de preensão (9,10) , no reflexo do caminhar (8,11) , ou no reflexo tónico assimétrico e contralateral do pescoço (11) . Porém, a maioria dos estudos observa as tendências laterais após o nascimento ao nível do tronco e membros superiores por serem um potencial indicativo da preferência manual adoptada posteriormente.…”
Section: Assimetrias Manuais: Da Concepção Aos Primeiros 3 Anos De Vidaunclassified
“…Head turn preference in high risk infants can impact function, as head rotation results in reflexive extension of the extremities on the side of the head turn and flexion on the opposite side, leading to asymmetric movement patterns [6,7]. Prolonged time with the head rotated to one side can impact reflex patterns, muscle tone, and movement for later function.…”
mentioning
confidence: 99%