Nerve impulses travel more slowly in babies than in older children and adults because:

a. an infant does not have as many synaptic connections as an adult has.
b. dendrites and axons take time to develop in infants.
c. neurons are much shorter in infants than in adults.
d. the myelin sheaths on axons are not yet fully developed in infants.

Answer: d

Psychology

You might also like to view...

Which figure below is the best estimate of the percentage of new mothers who develop the "baby blues" within a few days of childbirth?

A) 80% B) 50% C) 20% D) 30%

Psychology

Which psychologists try to understand people's abstract beliefs and spiritual experiences?

a. Psychoanalysts b. Neuroscientists c. Humanistic psychologists d. Behaviorists

Psychology