Table 1.
Questionnaires and instruments.
| Clinical assessment | |
|---|---|
| Movement Disorder Society-Unified Parkinson’s Disease Rating Scale (23) | This scale supervises the course of PD and the degree of disability. It explores four areas of the disease: • Part I: non-motor experiences of daily life • Part II: motor experiences of daily life • Part III: motor examination • Part IV: motor complications |
| Hoehn-Yahr scale (17) | This scale measures the symptoms of PD and the level of disability, it considers stages 1 (less affected) to 5 (greatest disability). |
| Cognitive assessment | |
| Montreal Cognitive Assessment (MoCA; 15) | Neuropsychological instrument that measures cognitive function. It detects mild cognitive impairment through the screening of seven domains: attention, concentration, executive functions, memory, language, visuoconstructive, calculation and orientation. |
| Creyos (Initially called Cambridge Brain Sciences) | Neuropsychological computerized battery which measures four cognitive domains (memory, reasoning, verbal ability and concentration). Tasks: Spatial Span, Token Search, Paired Associates, Polygons, Spatial Planning, Grammatical Reasoning, Feature Match, Double Trouble. |
| Cognitive Reserve Index Questionnaire (CRIq; 24) | This questionnaire estimates an individual’s cognitive reserve through collecting information about the entire adult life. It focuses on three areas: schooling, jobs and leisure activities. |
| Mental health assessment | |
| State-Trait Anxiety Inventory (STAI; 18) | It is a self-evaluating inventory that detects the state and trait anxiety symptomatology. |
| State-Trait Depression Inventory (ST-DEP; 19) | It is a self-evaluating inventory that identifies the state and trait depression symptomatology. |
| Parkinson Anxiety Scale (PAS; 20) | This scale, specifically for PD patients, measures the persistent, episodic anxiety and avoidance behavior. |
| Symptom Checklist-90-R (SCL-90-R; 23) | This instrument assesses the state of mental health, through nine scales: somatization, obsessivecompulsiveness, interpersonal sensitivity, depression, anxiety, hostility, phobic anxiety, paranoid ideation, and psychoticism. |