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Psychology: Research and Review

Table 2 Comparison among the three groups, regarding impulsivity

From: Right frontal stroke: extra-frontal lesions, executive functioning and impulsive behaviour

 

Groups

 

Frontal

Extra-Frontal Net

Control

  

Variables

Median (tertiles)

Median (tertiles)

Median (tertiles)

X 2

p

Impulsivity Scales

     

Barrat Total

58.0 (50.50-61.50)

60.0 (51.0-66.0)

56.0 (50.50-61.0)

2.512

.285

Attention

14.0 (12.50-17.0)

16.0 (13.0-19.0)

15.0 (11.0-18.0)

1.109

.574

Motor

18.0 (17.0-20.50)

19.0 (17.0-22.0)

19.0 (14.0-21.25)

2.422

.298

Lack of Planning

22.0 (19.0-26.50)

24.0 (21.0-29.0)

23.0 (20.0-26.25)

1.646

.439

ESAVI Total

93.0 (80.50-99.50)

91.0 (85.0-93.0)

88.0 (84.0-92.25)

1.515

.469

Concentration & Persist.

32.0 (22.50-39.50)

31.0 (23.0-39.0)

30.0 (22.75-34.25)

0.738

.692

Cognitive Control

33.0 (26.50-37.0)

31.0 (25.0-38.0)

32.0 (29.0-35.0)

0.195

.907

Future Planning

13.0 (10.0-15.0)

14.0 (11.0-17.0)

14.0 (11.0-16.25)

1.037

.595

Audacy & Temerity

18.0 (11.50-20.50)

15.0 (11.0-17.0)

14.50 (12.0-16.25)

2.448

.294

Behavioral Impulsivity

     

DDT-Imp. Choice

0.500 (0.200-0.552)

0.492 (0.112-0.576)

0.370 (0.11-0.49)

3.521

.172

Go/No-Go-Imp. Action

     

OE1000

2.0 (0-12.0)

2.0 (0-3.0)

1.0 (0-3.0)

3.592

.166

CE1000

3.0 (1.0-4.0)

2.0 (1.0-4.0)

2.0 (1.0-3.25)

1.382

.501

OE1250

2.0 (1.0-13.0)

3.0 (1.0-10.0)

1.0 (0-3.0)

7.912

.019b

CE1250

3.0 (2.0-5.50)

3.0 (1.0-4.0)

2.0 (1.0-4.0)

1.868

.393

OE1500

1.0 (0.50-3.50)

1.0 (0-5.0)

0 (0-2.25)

2.521

.284

CE1500

2.0 (1.0-5.0)

1.0 (1.0-4.0)

2.0 (0-3.0)

1.718

.423

OE1750

5.0 (1.0-13.50)

2.0 (0-7.0)

0.50 (0-1.25)

11.090

.004a

CE1750

3.0 (1.0-6.0)

1.0 (0-3.0)

2.0 (1.0-4.0)

5.214

.074b

  1. Persist Persistence, Imp Impulsivity, OE.Omission Errors, CE Comission Errors
  2. a p ≤ 0,05 comparing control and frontal lesion group
  3. b p ≤ 0,05 comparing control and non-frontal lesion group