Learning Objectives

After reading this chapter, you will be able to

13.1 Describe how scientists have defined intelligence.
13.2 Critique the methods for measuring intelligence.
13.3 Identify how the structure of the nervous system relates to intelligence.
13.4 Appraise the relative contributions of heredity and environment to intelligence.
13.5 Assess the impact of the typical aging process on cognitive functioning.
13.6 Compare the impacts of intellectual disability, autism, and attention-deficit/hyperactivity disorder on intelligence.