The theory that suggests that successful aging occurs when people maintain the interests and activities they pursued during middle age and resist any decrease in the amount and type of social interaction they have with others is known as

Which of the following is true of emotions? (a) a neurologically-intact baby can show at least six distinct emotions at birth. (b) the character of emotions changes as we develop cognitively. (c) basic emotions are culturally- and developmentally-based. (d) in general, adults cannot interpret infant emotions until the infants are 10 to 12 months old.