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Table 2 Frequencies of hits (H), misses (M), false alarms (FA) and correct rejections (CR) across signal valence conditions and group on the go/no-go task

From: Bias and discriminability during emotional signal detection in melancholic depression

Positive

Group

H

M

FA

CR

Hit Rate

False Alarm Rate

d′

Melancholic depression

911

169

100

979

0.84

0.09

2.33

Non-Mel depression

979

101

141

939

0.91

0.13

2.47

Control

964

115

134

945

0.89

0.12

2.40

Negative

Group

H

M

FA

CR

Hit Rate

False Alarm Rate

d′

Melancholic depression

1007

71

88

991

0.93

0.08

2.88

Non-Mel depression

1041

39

72

1007

0.96

0.06

3.31

Control

1008

70

83

997

0.93

0.07

2.95

Neutral

Group

H

M

FA

CR

Hit Rate

False Alarm Rate

d′

Melancholic depression

809

271

213

864

0.75

0.20

1.52

Non-Mel depression

861

216

221

858

0.80

0.20

1.68

Control

908

171

177

903

0.84

0.16

1.99

  1. d′ is presented as a function of hit and false alarm rates.
  2. (NB: within conditions, not all participant’s scores summed to the total number of trials because pre-emptive responses were not recorded - however, d′ was calculated for the total number of trials).
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BMC Psychiatry

ISSN: 1471-244X

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