The lip-tap-reflex in the awake and sleeping newborn infant a polygraphic study

Hf, Prechtl; Dk, Grant; Hg, Lenard; A, Hrbek

doi:10.1007/bf00233262

Cited by 8 publications

(5 citation statements)

References 4 publications

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“…All these were exteroceptive re-fZexes, namely the palmar and the plantar grasp, the Babkin reflex, the palmo-mental reflex, and the tonic components of the glabella reflex and the lip-tap reflex. This finding is in accordance with our previous polygraphic studies of the liptap reflex (40). It is, however, in contrast to results obtained in animal experiments (12) where an electrically induced polysynaptic flexion reflex has been studied.…”

Section: Discussionsupporting

confidence: 92%

“…All these are proprioceptive reflexes. The depression of monosynaptic reflexes during irregular sleep is known already Acta Prediat Scand 57 from polygraphic studies of the knee jerk (41) and the phasic component of the lip-tap reflex (40). Corresponding findings are reported from experiments in cats (3,12,19).…”

Section: Discussionmentioning

confidence: 77%

“…Like the glabella reflex the lip-tap reflex consists of a monosynaptic and a polysynaptic component. In a polygraphic study from our laboratory (40) it has been shown that the monosynaptic component (the lip-jerk) is larger in regular sleep whilst the polysynaptic component (the lip-protrusion) is more prominent during irregular sleep.…”

Section: The Lip-tap Reflexmentioning

confidence: 95%

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Reflexes and Their Relationship to Behavioural State in the Newborn

1968

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State If {irregular sleep) Eyes closed, slow and rapid eye movements, irregular respiration, no gross movements, occasional muscular twitches. State III (quiet wakefulness)' Eyes open, no gross movements.Reflexes were additionally examined whilst the baby sucked glucose from a bottle (marked "S" in the tables).The technique of elicitation and the scoring will be given separately for each reflex together with the results.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 77%

Section: The Lip-tap Reflexmentioning

confidence: 95%

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Reflexes and Their Relationship to Behavioural State in the Newborn

1968

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“…The results of testing in the newborn period are shown in Table I. The recorded responses were in general agreement with Prechtl et al (1967). The monosynaptic jerk reflex was more often positive in state 1 (non-REM sleep), and the polysynaptic protrusion reflex was more often positive in state 2 (REM sleep).…”

Section: Resultssupporting

confidence: 68%

Clinical observations on response to nasal occlusion in infancy.

Swift¹,

Emery²

1973

Archives of Disease in Childhood

111

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“…It is true that the stimulation during a particular state can also affect that state and that different states can -6be affected differentially. Examples of the first class of studies can be found in Prechtl and his associates' work on reflex responses of waking and sleeping infants (Prechtl, Grant, Lenard, & Hrbek, 1967;Prechtl, Vlach, Lenard, & Grant, 1967). 1bese studies found that the lip-tap reflex and tendon reflexes both varied as a function of state.…”

Section: State and Responsiveness This Class Of Studies Is Interestementioning

confidence: 99%

State as an Infant‐environment Interaction: An Analysis of Mother‐infant Behavior as a Function of Sex1

Lewis

1971

ETS Research Bulletin Series

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After a review of the literature it was proposed that state be defined in terms of an infant‐environment interaction. In order to investigate state differences as well as individual differences in state, it was necessary to explore and discuss various types of interactive processes and analyses. Having accomplished this task, empirical data were presented which seemed to support the proposed model of state, namely that infant condition (behavior) alone was insufficient to describe state since often the same condition had widely different consequences which in turn should affect future conditions. The data also revealed individual differences as a function of the sex of the infant. Briefly, girls received more distal responses to the same behavior for which boys received proximal responses. This was discussed as an important source of individual variance and its effect on subsequent cognitive functioning.

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The lip-tap-reflex in the awake and sleeping newborn infant a polygraphic study

Cited by 8 publications

References 4 publications

Reflexes and Their Relationship to Behavioural State in the Newborn

Reflexes and Their Relationship to Behavioural State in the Newborn

Clinical observations on response to nasal occlusion in infancy.

State as an Infant‐environment Interaction: An Analysis of Mother‐infant Behavior as a Function of Sex1

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