http://askjan.org/webcast/archive/#May13
This is the webcast archive page. This webcast on accommodations for executive functions is that latest, but there are many more webcast archives on the page.
"executive functions are high level abilities to influence and direct more basic abilities like attention and memory the term executive function also describes a set of cognitive abilities that control and regulate other specific abilities and behaviors, too, as we will see on one of the next few slides. Executive functions are necessary for goal directed behavior. That is behavior directed towards a goal or completion of a task."