Thirty pregnant women, their families and environment have been submitted to a prospective ethnographic study with inventory of childbearing behavior. The results were two-fold. They allowed on the one hand to reconstruct the traditional Korean birthing system. On the other they revealed an appalling amount of obstetrical pathology. Case examples ...

A radioimmunoassay (RIA) was developed for the quantification of caffeine in saliva. The mean salivary caffeine level for this sample of 40 full-term, AGA, healthy 1-2 day old human neonates was consistent with levels reported in previous studies. Salivary caffeine was significantly correlated with the number of state changes and ...

The Brazelton Neonatal Behavioral Assessment Scale with Kansas Supplement (NBAS-K) was administered midway between feedings to 60 newborns who were between 32 and 122 hours old. 35 of the newborns were classified as extremely healthy and normal (Subgroup I), whereas 25 (Subgroup II) were characterized by slight perinatal problems including ...

Several experimental models for studying emotion and motivation in laboratory animals have been developed in these last years. A new interesting approach for evaluating some emotional and motivational states in rodents is represented by the measurement of ultrasonic emission in various situations, mainly: by infants when removed from the nest ...

The study was undertaken to test whether obstetric procedures are of importance for eventual adult behavior of the newborn, as ecological data from the United States seem to indicate. Birth record data were gathered for 412 forensic victims comprising suicides, alcoholics and drug addicts born in Stockholm after 1940, and ...

It has been suggested that the cry may reflect the neurophysiologic integrity of the infant and relate to later developmental outcome. In this study, the cry was recorded at term conceptional age in 18 preterm and 13 term infants using a standardized procedure and analyzed by high-speed computer. At 18 ...

The organization of the newborn's brain and the nature of the effects of toxins and pollutants conspire to produce complex and difficult problems for the assessment of the behavioral effects of environmental agents. The newborn's brain can be characterized as relatively undifferentiated, and more vulnerable to, but potentially more capable ...

A study was made to determine if chickens dying from sudden death syndrome (SDS) showed any unusual behavioral characteristics during the final 12 h preceding death. Continuous video recordings were made of floor pens of 50 to 120 individually marked male broiler chickens between 3 and 10 wk of age. ...

In this study, the impact of rejection/acceptance experienced during the adolescent mother's childhood, social support received after the baby's birth, and infant irritability on angry, punitive maternal behavior are tested, and possible links between such maternal behavior and indices of child anger and noncompliance, low confidence, and social withdrawal are ...

A motorized treadmill often elicits locomotor-like alternate stepping in 7-month-old infants who normally perform few, if any, stepping movements. The step cycle duration is a function of the speed of the treadmill. When infants were held so that each leg was on a separate treadmill belt, each of which was ...

Maternal and neonatal behavior differs among food-producing mammals, and our management must reflect these differences. Sows will show more elaborate preparturient behavior than the other species as they attempt to build a nest that will last for several days. Because the nest is the focal point of maternal behavior for ...

We have previously shown the acoustic similarity among well, full-term infants of the same post-conceptional and post-partum ages (Int. J. Pediat. Otorhinolaryngol., 10 (1985) 1-8). The objective of that research was to provide a template against which the cries of any given infant may be compared. This paper shows a ...

The relationship of adolescent mothers' knowledge of infant development and perceptions of infant behavior to stress experienced during pregnancy were examined using a comparison group of adults of similar marital status. Relationships with maternal age across groups also were examined. Adolescents underestimated developmental rate and perceived some infant behaviors less ...

The purpose of this study was to assess stability of manipulative behavior across time. 29 infants were seen at both 9 and 9.5 mo.; 20 of these infants were seen again at 12 mo. At each visit the infants were presented several objects for familiarization and tested for response to ...

A two-group design was used to compare the state behavior of newborns who roomed-in with their mothers at night with those who were cared for by the traditional nursery-at-night method. Twenty-one full-term, low-risk newborns comprised the study sample. Data were collected using a sleep monitor bassinet for two consecutive nights ...

Dunst (1983) suggested that severely handicapped infants' intentional and unintentional communicative behaviors may be less interpretable or less easily "read" than are those of less handicapped infants. This hypothesis was tested in a sample of 15 pairs of mothers and their handicapped 11-month-old infants. As expected, the results indicated that ...

Disruption of the primate mother-infant attachment bond is a naturally occurring stressor that results in marked behavioral, physiological, and endocrine activation. We studied the effect that altering benzodiazepine systems has on the behavioral and endocrine response of infant rhesus monkeys (1-27 weeks of age) to brief separation from their mothers. ...

Infants who failed to complete a 2-day operant-conditioning task were compared with a stratified random sample of those who did on measures of infant temperament and several demographic characteristics. A discriminant-function analysis revealed that female infants who cried differed from female infants who did not cry on measures of duration ...

41 middle-class families were interviewed at 1 month prepartum and 1, 4, 8, and 12 months after the birth of a second child to assess the reaction and adjustment of firstborn children to this event. Family members were also observed in a semistructured play session in order to obtain information ...

Pain expression in neonates instigated by heel-lance for blood sampling purposes was systematically described using measures of facial expression and cry and compared across sleep/waking states and sex. From gate-control theory it was hypothesized that pain behavior would vary with the ongoing functional state of the infant, rather than solely ...

Infant rats deprived of food, maternal care, and the opportunity to suckle display a dramatic behavioral activation and vigorously ingest when provided milk through oral cannulas. These experiments assessed which components of deprivation are important in producing these responses to milk. Nutritional deprivation alone, with or without the presence of ...

The development of the crying state was studied in 14 infants from 3 to 18 weeks in two situations: the infant alone and in interaction with the mother. A major transformation occurred in the crying state after 3 months, with the appearance of what is termed interrupted fussing, which consists ...

The presence of a defined set of behaviors was examined in 67 hospitalized infants, 3-24 months old; 17 with organic failure-to-thrive (OFTT), 17 with nonorganic failure-to-thrive (NOFTT), and 33 with no signs of failure-to-thrive. The usefulness of assessing these behaviors to distinguish nonorganic from organic failure-to-thrive infants was evaluated. The ...

Recognizing the impressive range of behavioral capacities of newborn infants, clinicians and researchers have long searched for valid assessment instruments to help evaluate infant behavior. Behavioral assessments with high predictive validity would aid the goals of developmental diagnostic, prognostic, and treatment programs for infants born at risk from biological or ...

Acoustic reflex testing was conducted on 2-day-old and on 6-week-old infants to determine how frequently, if at all, the acoustic reflex occurs, if it can be reliably observed, and also to determine what is the mean normal acoustic reflex threshold for pure tones and broad-band noise in these populations. Twenty ...

The influence of hyperbilirubinaemia on the infants' cries and the feasibility of the use of cry analysis for the early identification of developing kernicterus were studied by analyzing the cries of 100 healthy one-day-old infants and 31 infants with Rh haemolytic disease of the newborn (Rh-HDN) by using sound spectrographic ...

One adult and three adolescent mothers with 1-year-old infants were taught to reduce their infants' potential for injury in the home. After being taught to increase their positive interactions with their infants, the mothers were taught to child-proof the home, to use playpen time-out for potentially dangerous behaviors, and to ...

The case of a toddler diagnosed as failure to thrive with an unusual history of "accidents" illustrates the circumstances which may account for the infant's intense attachment to a sadistic love object and lead to moral masochism in adulthood. The observed behaviors of the toddler in interaction with mother show ...

The purpose of this study was to determine the relationship between infant temperament and the quality of the childrearing environment by examining (a) maternal ratings of infant's behavior utilizing questionnaire category scores, (b) maternal impressions of infant's behavior, (c) the relationship of maternal ratings of infant's behavior to the quality ...

Observable anomalies were produced in spiny mouse neonates and weanlings through intranasal irrigation with ZnSO4 solution. In comparison to control animals, ZnSO4-treated pups displayed growth retardation, increased mortality rates, hyperactivity in a novel environment and difficulty in finding hidden food pellets. Each of these experimentally-induced deficits was alleviated when treated ...

An infant boy with asymmetric crying facies, microcephaly, developmental retardation and failure to thrive is reported. His two siblings died in the newborn period because of complex congenital heart defects. The mother and the maternal grandmother have asymmetric crying facies, microcephaly and normal intelligence. A maternal aunt has severe physical ...

We hypothesize that the respiratory and functional states of the very low birth weight infant with bronchopulmonary dysplasia can be improved in the neonatal intensive care unit by prevention of inappropriate sensory input. To test this hypothesis, we developed for preterm newborns a behavior observation method that catalogues specific reaction ...

Sex differences in neonatal temperament were examined in 30 pairs of full-term, opposite-sex twins. Behavior was assessed during feeding, during sleep, while awake for orienting responses, in response to a stressor, and for measures of spontaneous irritability and soothability. Composite and summary scales described irritability, resistance to soothing, reactivity, reinforcement ...

Fetal movement and habituation were examined in relation to behavior and development in early infancy. 39 fetuses were evaluated between 28 and 37 weeks gestation. A vibrating stimulus was repeatedly applied to the maternal abdomen until the fetus habituated (i.e., ceased moving in response). Fetal movements were observed on an ...

Relationships among subjective and behavioral components of maternal role attainment were investigated separately for 64 primiparous and 60 multiparous mothers. The influence of contextual variables on maternal behavior was also examined. Subjects were medically low risk with normal infants. Attitudes toward themselves and their infants and feelings of self-confidence were ...

Six 3-hour observations of adult attention to infants in a newborn nursery were conducted to describe the amount and type of attention received by the infants and to determine if individual differences among infants were related to this attention. Most infants spent the majority of the observation time between feedings ...

Regurgitation and reingestion behavior in gorillas is compared with two human disorders, rumination and bulimia. Eighty-four percent of captive gorillas that are more than 5 years old regurgitate and reingest. Comparisons are made on the basis of ontogeny, context, motor pattern, and intervention. There are more similarities between regurgitation and ...

Little is known about the adverse consequences of anemia during infancy or maternal anemia during pregnancy on the behavioral development of the infant. The present research investigates one aspect of these relationships.

The effects of separating 4-week-old twin marmosets for 8 days from their families are compared with the effects of leaving 4-week-old infants with their families, but reducing the responsiveness of their caregivers for 8 days by administration of the tranquilizer fluphenazine decanoate. Both treatments reduce infant mobility, abolish play, and ...

The phenomenon of infant crying during aircraft descent is described, based on in-flight observations of 37 infant-mother pairs and mother interviews. The hallmark was crying during descent that was not alleviated by mothers' strategies that had been effective prior to descent. A significant relationship was found between bottle feeding and ...

The purpose of this experimental study was to determine the effectiveness of teaching primiparous mothers about infant behavior. Experimental mothers (n = 17) received a teaching intervention representative of the Brazelton Neonatal Behavioral Assessment Scale when their infants were 2 weeks old; contrast mothers (n = 16) completed a Newborn ...

A follow-up study of monkeys who experienced maternal separations as infants 2.5-4.9 years earlier was performed. Matched pairs of previously separated and nonseparated control monkeys were observed individually in four unfamiliar situations, and their behavioral responses and plasma cortisol levels were measured. Results indicated that previously separated animals displayed more ...

The temperament of a group of preterm infants (n = 126) was studied as part of a large, longitudinal study of infant temperament and behavior in a representative sample of Australian infants (n = 2443). Utilizing the Infant Temperament Questionnaire of Carey and McDevitt, previously revised and validated for an ...

Pathologic aggression can be evaluated in terms of its psychosocial provocations, but it also must be recognized as a physiologically generated behavior and that disruptions of those controlling physiologic mechanisms can lead to pathologic states of aggression. Laboratory and clinical evidence indicates that the phylogenetically older limbic system is the ...

The crying pattern of normal infants in industrialized societies is characterized by an overall increase until 6 weeks of age followed by a decline until 4 months of age with a preponderance of evening crying. We hypothesized that this "normal" crying could be reduced by supplemental carrying, that is, increased ...

Nurses observe that the behavior of an occasional full-term healthy newborn is "unusual," "different," "funny," or "not like the others." This study was designed to determine whether infants identified by nurses as suspect behaved differently from those identified as normal. Suspect infants scored significantly lower on the Brazelton Neonatal Behavior ...

Indicators of both father and infant social competence were explored as predictors of four types of paternal interaction behavior: touch-affection/comfort, talk-affection/comfort, touch-stimulate, and talk-stimulate. Data collected from 114 father-newborn pairs 2 to 4 days after birth included perceived competence as a father, the infant's orientation and range of state scores ...

Tactile/kinesthetic stimulation was given to 20 preterm neonates (mean gestational age, 31 weeks; mean birth weight, 1,280 g; mean time in neonatal intensive care unit, 20 days) during transitional ("grower") nursery care, and their growth, sleep-wake behavior, and Brazelton scale performance was compared with a group of 20 control neonates. ...

The expressive behaviors of full-term and preterm infants and their mothers were examined during face-to-face interaction when the infants were approximately 2 1/2, 5, and 7 1/2 months old. Videotapes of the sessions were coded on a second-to-second basis using Izard's discrete emotion coding system. Overall, infants showed a linear ...

In order to investigate the appearance of a rest-activity periodicity, spontaneous motor behavior of five low-risk preterm infants (gestational age range 27-31 weeks) was monitored for 24 hours at weekly intervals until term. Using a time lapse videorecorder (6.5 fields/sec.) both slow and rapid movements were counted every three minutes; ...