Cognitive or Cognitive-Motor Executive Function Tasks? Evaluating Verbal Fluency Measures in People with Parkinson’s Disease

Table 2

Correlations between executive function (parts A and B and delta of Trail Making Test), phonemic/semantic verbal fluency, and oral diadochokinesia scores in people with Parkinson’s disease (Pearson correlation coefficients).

	Part A (TMT)	Part B (TMT)	Delta (TMT)	Oral diadochokinesia
Phonemic verbal fluency test	⁢	⁢	⁢	⁢
Semantic verbal fluency test	⁢	⁢	⁢	⁢
Oral diadochokinesia	⁢	⁢		—

; TMT: Trail Making Test.