Related Experiment Videos
Insights
Plantar grasp latency in infants shows prolonged duration during birth shock, then gradually shortens over the first four months, aiding nervous system maturation assessment.
Area of Science:
- Neonatal physiology
- Developmental neuroscience
Background:
- The plantar grasp reflex is a key indicator of infant neurological development.
- Understanding the typical progression of this reflex is crucial for identifying developmental abnormalities.
Purpose of the Study:
- To measure and analyze the latency of the plantar grasp reflex in normal infants from birth to six months.
- To establish normative data for plantar grasp latency during early infant development.
Main Methods:
- A cohort of 437 normal infants was studied from the first day to six months of age.
- A specialized instrument was utilized to accurately measure the latency of the plantar grasp reflex.
- Data were collected and analyzed to track changes in latency over time.
Main Results:
- Plantar grasp latency was observed to be prolonged during the initial 'birth shock' period.
- Latency returned to baseline values by seven days and remained stable until four months.
- A gradual shortening of latency was noted during the first four months of life; values became unreliable after five months.
Conclusions:
- The study provides a simple, reliable method for assessing nervous system maturation in infants.
- The findings enhance understanding of the pathophysiology underlying nervous system development in early life.
- The established normative data can aid in early detection of neurological developmental issues.
Abstract:
Latency of plantar grasp was measured in 437 normal infants from the first day to 6 months of age with a special instrument for measurement of the latency. The latency was prolonged during the birth shock period and returned to the previous value and remained at almost the same value until 7 days, then gradually shortened during the first four months. After 5 months, the values were not reliable. Our method is simple and not only is useful for assessment of maturation of the nervous system, but also helpful for better understanding of the pathophysiology of the nervous system.