Table 3 PSD variance of different variable category groups.

From: Assessing cognitive workloads of assembly workers during multi-task switching

Variable

Category

Group variance

Task

Idling

33.77

Selection

33.18

Assembly

33.76

Inspection

28.75

Channel

AF3

31.24

F3

31.25

F4

32.72

AF4

33.38

Band

Alpha

4.20

Beta

5.05

Gamma

31.54