Descriptor
| Age Differences | 1 |
| Heart Rate | 1 |
| Infant Behavior | 1 |
| Infants | 1 |
| Longitudinal Studies | 1 |
| Neonates | 1 |
| Personality | 1 |
| Predictor Variables | 1 |
| Responses | 1 |
Source
| Developmental Psychology | 1 |
Author
| Fox, Nathan A. | 1 |
| Stifter, Cynthia A. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Research | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedStifter, Cynthia A.; Fox, Nathan A. – Developmental Psychology, 1990
Longitudinal data indicated a significant relation between five-month vagal tone and negative reactivity elicited in the laboratory and maternal ratings of activity level and smiling behavior. Newborn vagal tone predicted maternal ratings of frustration and fear. Moderate stability was found for infant reactivity. (RH)
Descriptors: Age Differences, Heart Rate, Infant Behavior, Infants
