Russell needs more of the drug he has been using to get the normal high he got when he first started. Russell is experiencing _____

From the twenties to the sixties,

A) spatial memory suffers much less than verbal memory. B) the amount of information people can retain in working memory diminishes. C) adults rehearse more than they did in early adulthood. D) the speed at which adults can repeat information to themselves increases.

At its peak, the brain forms neurons at the rate of around 4,000 per a. second. b. minute. c. hour

d. day.