Questions and Answers About English Grammar. A strong verb is one in which tense is expressed by an internal vowel change, and a weak verb is one in which tense is expressed by a regular affix ( Linguistics for Everyone: An Introduction, 2013).
Jensen says scientists used to think human brain development was pretty complete by age 10. Or as she puts it, that a teenage brain is just an adult brain with fewer miles on it.. But it's not. To begin with, she says, a crucial part of the brain â the frontal lobes â are not fully connected. Really.
The human brain begins forming very early in prenatal life (just three weeks after conception), but in many ways, brain development is a lifelong project. That is because the same events that shape the brain during development are also responsible for storing informationânew skills and memoriesâthroughout life.