Sensorimotor and motivational determinants of hand-mouth coordination in 1-3-day-old human infants
Bibliographic Data
| ID | 9788032 |
|---|---|
| Authors | Elliott M Blass (Johns Hopkins University, corresponding author), Thomas J Fillion, Philippe Rochat (0000-0001-6000-5979), Lisa B Hoffmeyer, Mary Ann Metzger |
| Year | 1989 |
| Volume | 25 |
| Issue | 6 |
| Pages | 963-975 |
| Publication date | 1989-11-01 |
| Peer Reviewed | Yes |
| Open Access | No |
| Type | ARTICLE |
| Venue | Developmental Psychology (JOURNAL) |
| Journal identifiers | ISSN: 0012-1649 • E-ISSN: 1939-0599 |
| Publisher | American Psychological Association (APA) (PUBLISHER) |
| DOI | 10.1037/0012-1649.25.6.963 |
| OpenAlex | W2154953896 |
| Language | EN |
| Citations received | 8 |
| References cited | 4 |
Hand-mouth coordination was studied in l-3-day-old human infants by delivering 0.2 ml of sterile 12 % sucrose solution intraorally once every 2 min. Sucrose was extraordinarily calming and caused sustained hand-in-mouth contact. The calm state persisted well beyond sucrose termination. Hand-in-mouth behavior, however, stopped upon sucrose termination, demonstrating stimulus control over this integrated behavior. In subsequent s udies we demonstrated that hand-in-mouth behavior was not attributable to calming per se. Moreover, hand activity could be prevented by placing a pacifier in the mouth. This demonstrates hat he behavior was under intraoral somesthetic control and was not necessarily the expression of a motor pattern triggered by the sweet aste. These findings are interpreted within the contexts of sucrose (a) calming through an endogenous opioid system and (b) activating suckling-feeding mechanisms, causing the expression of integrated hand, mouth, and head motor patterns. In human development, hand-mouth contact is among the earliest cases of a sustained behavioral pattern that integrates two separate motor systems. Studies of human fetal activity have placed this phenomenon as early as 18 weeks menstrual age (Humphrey, 1968). The behavior emains prominent, ap-pearing within the first hours after birth (Kravitz, Goldenberg, & Neyhus, 1978). According to Korner and her associates (Korner & Beason, 1972; Korner, Church, & Dontchos, 1968; Korner & Kraemer, 1972), it occurs up to 20 % of the time in awake infants lying prone or on their sides. Hand-mouth integration changes developmentally, coming under the control of perceptual systems by 5 months of age when infants start to reach for (Hofsten, 1979, 1982), then to grasp (Yonas & Granrud, 1985), and finally to bring objects to
Developmental psychology · Child and Animal Learning Development · Infant Development and Preterm Care · Infant Health and Development · Psychology
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Suckling
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| Unique citing works | 8 |
|---|---|
| Citations per year | 0,22 |
| Citation span | 1990 - 2011 (22) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 8 |