Table 3 Neurocognitive performance of hoarding disorder participants relative to normative population.

From: Anosognosia in hoarding disorder is predicted by alterations in cognitive and inhibitory control

Neurocognitive variables (N = 53)

Mean Z-score (range, ± SEM)

One-sample test statistic (µ = 0)

p valuea

Finger Tapping speed

ā€‰āˆ’ā€‰0.073 (āˆ’ā€‰4.33 to 2.70, ± 0.179)

t(49) = āˆ’ 0.40863

0.685

Go/No-Go reaction time

ā€‰āˆ’ā€‰1.076 (āˆ’ā€‰2.43 to 0.19, ± 0.072)

t(51) =  āˆ’ 14.858

 < 0.0001*

Go/No-Go false alarm (no-go) errors

0.200 (āˆ’ā€‰1.63 to 2.33, ± 0.129)

V = 791

0.3553

Go/No-Go false miss (go) errors

ā€‰āˆ’ā€‰0.187 (āˆ’ā€‰3.28 to 0.95, ± 0.164)

V = 653

0.7465

Go/No-Go total errors

0.102 (āˆ’ā€‰1.64 to 2.36 ± 0.123)

t(51) = 0.82829

0.4114

ContinuousĀ Performance reaction time

ā€‰āˆ’ā€‰1.013 (-4.19 to 1.60, ± 0.161)

t(52) =  āˆ’ 6.2899

 <0.0001*

ContinuousĀ Performance false alarm errors

ā€‰āˆ’ā€‰0.118 (āˆ’ā€‰5.08 to 1.04, ± 0.18)

V = 739

0.8387

ContinuousĀ Performance false miss errors

ā€‰āˆ’ā€‰0.380 (āˆ’ā€‰3.71 to 0.73, ± 0.171)

V = 495

0.05146

Switching of Attention completion time

ā€‰āˆ’ā€‰0.151 (āˆ’ā€‰3.23 to 1.96, ± 0.134)

t (49) = āˆ’ 1.1306

0.2637

Switching of Attention errors

0.093 (āˆ’ā€‰2.57 to 0.94, ± 0.124)

V = 798

0.1225

Choice reaction time

0.22 (āˆ’ā€‰3.97 to 2.02, ± 0.14)

V = 865

0.0113

Memory Recognition immediate recall

0.493 (āˆ’ā€‰3.37 to 1.62, ± 0.111)

V = 1236

 < 0.0001*

Memory Recognition delayed recall

0.133 (āˆ’ā€‰8.75 to 0.93, ± 0.188)

V = 1078

0.0004*

Digit Span

ā€‰āˆ’ā€‰0.15 (āˆ’ā€‰4.90 to 2.20, ± 0.147)

V = 653

0.7465

Maze completion time

ā€‰āˆ’ā€‰0.159 (āˆ’ā€‰3.05 to 1.93, ± 0.149)

t (49) =ā€‰ā€‰āˆ’ā€‰1.0683

0.2906

Maze total errors

ā€‰āˆ’ā€‰0.031 (āˆ’ā€‰3.45 to 3.30, ± 0.171)

t (49) =ā€‰ā€‰āˆ’ā€‰0.18273

0.8558

Verbal InterferenceĀ color word reading errors

0.076 (āˆ’ā€‰2.26 to 0.41, ± 0.073)

V = 1176

 < 0.0001*

Verbal Interference color word reading reaction time

0.043 (āˆ’ā€‰1.74 to 1.65, ± 0.119)

t (51) = 0.36293

0.7182

Verbal Interference ink color naming errors

ā€‰āˆ’ā€‰0.027 (āˆ’ā€‰3.06 to 1.13, ± 0.12)

V = 755

0.3911

Verbal Interference ink color naming reaction time

0.287 (āˆ’ā€‰2.45 to 2.02, ± 0.135)

t (49) = 2.1267

0.0385

Stroop interference by errors (ink colorĀ naming – colorĀ word reading errors)

ā€‰āˆ’ā€‰0.096 (āˆ’ā€‰3.30 to 2.70, ± 0.132)

t (50) =ā€‰ā€‰āˆ’ā€‰0.72914

0.4693

Stroop interference by reaction time (ink colorĀ naming – colorĀ word reading reaction times)

0.236 (āˆ’ā€‰1.53 to 1.72, ± 0.102)

t (48) = 2.318

0.0248

  1. ap values < .05 are indicated in bold text.
  2. *Meets Bonferroni-corrected alpha threshold for statistical significance of p < 0.003.