ideational apraxia
[ˌaidiˈeiʃənəl əˈpræksiə]
Ideational apraxia (IA) is a neurological disorder which explains the loss of ability to conceptualize, plan, and execute the complex sequence of motor actions involving the use of tools or objects in everyday life. Ideational apraxia is a condition in which an individual is unable to plan movement related to an object because he has lost the perception of the object's purpose.