Reliability and Validity of the Spanish Version of the Executive Function Performance Test (EFPT) in Assessing People in Treatment for Substance Addiction.

Importance: Assessing people's executive function (EF) during addiction treatment makes it possible to design individualized occupational goals.

Objective: To determine the reliability and validity of the Spanish version of the Executive Function Performance Test (EFPT) in the occupational assessment of people being treated for substance addiction.

Design: Cross-sectional, observational study to determine the EFPT's internal consistency as well as its convergent and discriminant validity with complementary tests.

Loewenstein Occupational Therapy Cognitive Assessment to Evaluate People with Addictions.

Background: The LOTCA (Loewenstein Occupational Therapy Cognitive Assessment) battery is a cognitive screening test which is widely used in occupational health. However, no work has been found that explores its use in addiction treatment.

Objectives Of Study: To explore the convergent validity of LOTCA with neuropsychological tests that assess related cerebral functional areas.