Development of nystagmus in response to vestibular stimulation in infants. 1979

L Eviatar, and S Miranda, and A Eviatar, and K Freeman, and M Borkowski

Nystagmus in response to perotatory stimulation by torsion swing or ice-cold caloric (ICC) irrigation of the ear canals was studied in 276 infants from birth to 12 months of age. The percentage of positive responses to perotatory stimulation correlated with gestational age and weight at birth during the first 3 months of life and became comparable among groups by 6 months of age. The quality of perotatory nystagmus did not differ among groups. A direct correlation between the caloric-induced intensity and duration of nystagmus with gestational age and weight at birth was noted during the first 3 months of life. Premature infants showed the weakest responses, and term-delivered, large for gestational age children the strongest responses. ICC-induced nystagmus reached comparable levels for all groups by 6 months except for premature infants, in whom comparable responses were attainedby 9 months of age. Vestibular responses mature over time, with patterns that correlate with gestational age and weight at birth.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D011187 Posture The position or physical attitude of the body. Postures
D001724 Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D005133 Eye Movements Voluntary or reflex-controlled movements of the eye. Eye Movement,Movement, Eye,Movements, Eye
D005865 Gestational Age The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated from the onset of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization. It is also estimated to begin from fertilization, estrus, coitus, or artificial insemination. Embryologic Age,Fetal Maturity, Chronologic,Chronologic Fetal Maturity,Fetal Age,Maturity, Chronologic Fetal,Age, Embryologic,Age, Fetal,Age, Gestational,Ages, Embryologic,Ages, Fetal,Ages, Gestational,Embryologic Ages,Fetal Ages,Gestational Ages
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000367 Age Factors Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time. Age Reporting,Age Factor,Factor, Age,Factors, Age
D014722 Vestibule, Labyrinth An oval, bony chamber of the inner ear, part of the bony labyrinth. It is continuous with bony COCHLEA anteriorly, and SEMICIRCULAR CANALS posteriorly. The vestibule contains two communicating sacs (utricle and saccule) of the balancing apparatus. The oval window on its lateral wall is occupied by the base of the STAPES of the MIDDLE EAR. Vestibular Apparatus,Ear Vestibule,Vestibular Labyrinth,Vestibule of Ear,Vestibulum Auris,Apparatus, Vestibular,Ear Vestibules,Labyrinth Vestibule,Labyrinth Vestibules,Labyrinth, Vestibular,Labyrinths, Vestibular,Vestibular Labyrinths,Vestibule, Ear,Vestibules, Ear,Vestibules, Labyrinth
D014724 Vestibular Function Tests A number of tests used to determine if the brain or balance portion of the inner ear are causing dizziness. Function Test, Vestibular,Function Tests, Vestibular,Test, Vestibular Function,Tests, Vestibular Function,Vestibular Function Test

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