Trail-making test
The TMT provides information on visual search, scanning, speed of processing, mental flexibility, and executive functions. The TMT was divided into two parts: TMT-A and TMT-B. TMT-A consisted of drawing a line connecting a sequential set of numbers (1–25), whereas TMT-B consisted of drawing a line connecting sequential numbers (1–13) and letters (A–L) and alternating between numbers and letters (e.g., 1a, 2b, 3c, and 4d). The test should be performed as quickly as possible (