Development of an instrument to measure the use of behaviors taught in the American Physical Therapy Association Clinical Instructor Education and Credentialing Program (APTA CIECP): a pilot study.

Objective: Conduct a pilot study to establish the reliability and validity of a survey instrument that directly measures the objectives and content of the APTA CIECP; and measure the self-reported frequency of use of the behaviors taught in the APTA CIECP.

Participants: Eighteen (18) APTA credentialed CIs.

Methods: Develop a web-based survey consisting of 58 items representative of the behaviors taught in the APTA CIECP and 8 demographic characteristics.

The impact of normal aging and Parkinson's disease on response preparation in task-switching behavior.

This study investigates the ability to use foreknowledge in preparation of cognitive processes in young and older participants and in PD patients. Additionally, we test the hypothesis that age-associated cognitive deficits in task switching reflect a dopaminergic dysfunction that accompanies healthy aging. To this end, we use a task-switching paradigm that (i) is known to be highly sensitive for dopaminergic dysfunction in the frontostriatal loops and (ii) can be applied with predictable and unpredictable switch and non-switch trials to assess the effect of task foreknowledge.