Which apraxia is defined by inability to conceive and perform a sequence of steps?

Prepare for the American Board of Professional Psychology (ABPP) Exam with flashcards and multiple-choice questions. Each question includes insights and explanations to help you excel. Get ready for your certification journey!

In ideational apraxia, the core difficulty is in conceptualizing and sequencing the steps needed to complete a task. The person understands the goal and may have intact motor ability, but they can't form the plan of action or choose the appropriate sequence and tools. As a result, they may perform tasks in the wrong order, omit steps, or misuse objects because the idea of the overall sequence is disrupted.

This contrasts with ideomotor apraxia, where the plan may be understood but execution falters when asked to perform on command or imitate an action; automatic or habitual actions are often preserved. Other focal apraxias relate to different domains—gait apraxia affects walking, constructional apraxia affects drawing or constructing, and dressing apraxia affects self-dressing due to issues with planning or body schema. Thus, the description given aligns with ideational apraxia.