Kolb and Colleagues (2003)exposed Juvenile,adult,or Very Old Animals to Challenging

Multiple Choice

Kolb and colleagues (2003) exposed juvenile,adult,or very old animals to challenging and complex environments.What did they find about this kind of environment?

A) It had different effects on the animals' brains depending on their developmental stage.
B) It had a negative effect on the older animals' brains but had no effect on the younger animals.
C) It had a negative effect on the young animals' cognitive functioning when they became adults.
D) It had positive effects on the cognitive functioning of all the animals, regardless of age.