… Executive functioning (EF) has become an increasingly popular cognitive construct in its
own right, and it is often invoked to understand and explain cognitive changes that
accompany aging. It has been considered, along with speed, as a possible cognitive
primitive that constitutes a basic change responsible for declines on a variety of tasks (see
Luszcz & Bryan, 1999, and associated commentaries by Anstey, 1999; Salthouse, 1999; and
Sliwinski & Hofer, 1999). Indeed, geropsychologists interested in both … A novel feature of …