Learning embryology remains difficult, since it requires understanding of many complex phenomena. The temporal evolution of developmental events has classically been illustrated using cartoons, which create difficulty in linking spatial and temporal aspects, such correlation being the keystone of descriptive embryology. We synthesized the…

This report provides a developmental perspective on what competencies young people need to be ready for college, the workplace, and the transition to adulthood. National hand-wringing about the lack of preparedness of high school graduates for college and the workplace has catalyzed researchers, educators, and policymakers to define the skills and…

One of a series intended for parents and other caregivers, this handbook on child development focuses on the first 2 years of life. Contents include discussions on (1) basic developmental principles; (2) physical development; (3) cognitive development and language acquisition; (4) personality development, temperament, attachment, and bonding; (5)…

Two techniques to normalize muscle tone were evaluated with nine infants and young children with cerebral palsy who were enrolled in the Rural Infant Stimulation Environment (RISE) Program, near Tuscaloosa, Alabama. Electromyography (EMG) and skin temperature data were used to assess the effects of trunk rotation and slow rolling on a ball. EMG…

This study investigates changing family relationships during adolescence using a dialectical view of the family. Fifty-one families responded to an assessment battery that measured affective relations between parents and their adolescent children. Measures included the Transition into Adolescence Survey; the Interactive Behavior Questionnaire; the…

A study of fundamental vocal frequency values in 14 children aged 11 to 25 months, an age period characterized by changes in physiological and linguistic development, is reported. A developmental trend downward in vocal frequencies is traced across a number of previous studies, but is only tentative and is not documented in the age group under…

An 11-year-old spastic quadriplegic girl functioning at the profound level of mental retardation was exposed to contingent reinforcement for holding her head in an upright position. The subject, who had minimal voluntary movement and had to be properly positioned to inhibit abnormal reflex patterns, was observed while prone over a wedge bolster…

Based on a PhD dissertation submitted to the Florida State University, Tallahassee, Florida.

Research supported by National Institute of Mental Health grant 5-PO-1-HE-06311-06-HEP.

A traditional discussion of obesity considers the number of pounds over what is considered average for one's age, height, and sex, and is based on the assumption that the average weight for a given group of people of the same age, height, and sex is the healthiest status for that group. There is a physiological and biochemical basis for obesity.…

This study investigated the relationships between 19 neurological abnormalities in school children and measures of school performance in reading, math, and nonacademic classroom behaviors. The sample of 45 children was given a standardized achievement test and the Draw-a-Person instrument to obtain academic variables. Nonacademic behaviors…

This study investigated (1) the nutritional status of urban American disadvantaged children, (2) the relationship of nutritional status to mental growth and development, (3) the relationship of physical maturation to the development of perceptual-motor factors of intelligence, and (4) if found, the effects of undernutrition on intellectual…

This pamphlet discusses changes in adolescence and is intended for junior high school use. The changes in adolescence are just presented in general. Each chapter goes into detail on separate issues. Chapter Two is a general description of growth, the awkward body stages that adolescents reach. Chapters Three and Four discuss steps toward womanhood…