41. Which scenarlo portrays a secure attachment? O a child mimicking his mother's expressions in a familar environment O a child dinging to her mother in a new environment O a child being willing to explore a new environment in the presence of the caregiver O a child refusing to let other children play with his toys 42. Research on infant long-term memory has shown that infants can remember if the researchers O use special measures to ald memory retrieval, such as reminder sessions use situations that are different from real life do not let the baby move during the memory event O use highly emotional events 43. During the sensorimotor stage, the child's main task is to O use senses and motor skills to understand the world O learn to use language to express sensations O think logically and critically O think of past and future events 44. According to Chomsky's theory of language acquisition, the inability to learn language is due to specific brain dysfunctions children have an inborn ability to learn language children learn language through a complex process of imitation and reinforcement language learning utilizes one particular structure in the brain 45. The process through which unused dendrites atrophy and die is called O degeneration transient exuberance Omyelination 1pruning