✦ LIBER ✦

Methodological issues in coding sleep states in immature infants

✍ Scribed by Rakesh Sahni; Karl F. Schulze; Mark Stefanski; Michael M. Myers; William P. Fifer

Publisher: John Wiley and Sons
Year: 1995
Tongue: English
Weight: 879 KB
Volume: 28
Category: Article
ISSN: 0012-1630
DOI: 10.1002/dev.420280203

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Thirty‐five healthy, premature infants, ranging from 30–39 weeks postconceptional age, were observed continuously for 6 to 24 hr. Behavioral state and electroencephalographic patterns were coded for each minute. Using these data, three questions regarding coding of states of sleep were addressed: What is the concordance between behavioral codes and specific EEG patterns? Does the concordance between behavioral codes and EEG patterns change with postconceptional age? What range of error can be expected when observation periods shorter than 24‐hr are used to estimate the daily distribution of quiet sleep (QS) and active sleep (AS)?

With behavioral codes as the standard, concordances of EEG patterns for QS and AS were 72.5 and 92.1% respectively. With EEG patterns as the standard, behavioral codes for QS and AS agreed 83.0 and 88.9%. Agreement between behavioral codes and EEG patterns for QS increased with age. Finally, variation in estimates of the daily distribution of QS and AS decreased dramatically as the length of observation increased from 3 to 24 hr. © 1995 John Wiley & Sons, Inc.

📜 SIMILAR VOLUMES

Temporal organization of sleep–wake stat

Temporal organization of sleep–wake states in preterm infants

✍ Diane Holditch-Davis; Lloyd J. Edwards 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 105 KB

The development of temporal organization of sleep-wake states during the preterm period was examined. Seventy-one high-risk preterms from two cohorts were observed from 7 to 11 p.m. weekly from the time they were no longer critical until discharge. Mixed general linear model analyses found that with

Sleep state periodicity in prematures an

Sleep state periodicity in prematures and young infants

✍ Evelyn Stern; Dr. Arthur H. Parmelee; Margaret A. Harris 📂 Article 📅 1973 🏛 John Wiley and Sons 🌐 English ⚖ 550 KB

Methodological issues in the anthropomet

Methodological issues in the anthropometric assessment of Hmong children in the United States

✍ Patrick F. Clarkin 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 94 KB 👁 2 views

Control of sleep-wake states in the infa

Control of sleep-wake states in the infant rat by features of the mother-infant relationship

✍ Dr. Myron A. Hofer; Harry Shair 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 985 KB

The organization and stability of sleep

The organization and stability of sleep states in fullterm, preterm, and small-for-gestational-age infants: A comparative study

✍ Dr. Jan E. Watt; K. T. Strongman 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 English ⚖ 669 KB

Conceptual and methodological issues in

Conceptual and methodological issues in the study of Internal Representation: A commentary on Infant Mental Health Journal, volume 10.3

✍ Stephen Seligman 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 306 KB 👁 2 views

This commentary raises issues about the current state of research on internal representation, using the Special Issue of the Infant Mental Health Journal on "Internal Representation and Parent-Infant Relationships" as a point of departure. Current research is praised for its emphasis on subjectivity