Table 2

Mean reaction times and total number of errors for conditions 'neutral' and 'fear'

FHN

(n = 10)

FHP

(n = 7)

MDD

(n = 5)


Mean

SD

Mean

SD

Mean

SD

Fc

df

P

Neutral samea

4932

1076

4936

745

5342

606

0.402

2/20

0.67

Neutral oppositeb

4903

1406

4818

697

5455

466

0.6

2/20

0.56


Fear samea

4589

721

4767

690

5582

684

4.4

2/20

0.05

Fear oppositeb

5122

586

4734

710

5121

643.5

1.25

2/20

0.31

Fear (right+left)

4756

956

4728

700

5672

600

0.81

2/20

0.46

Neutral (right+left)

9835

2454

9754

1436

10797

1040

0.51

2/20

0.60

Number of errors

7

6.6

3.9

8

16.4

35

0.70

2/20

0.51


aDot and fearful face presented on the same side of the screen; bdot and fearful face presented in opposite sides of the screen; c F-score from analysis of variance. df: degrees of freedom; MDD: patients with major depressive disorder; FHN: healthy participants without family history of MDD; FHP healthy participants with family history of MDD; SD: standard deviation.

Amico et al. Biology of Mood & Anxiety Disorders 2012 2:1   doi:10.1186/2045-5380-2-1

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