Table 2

Characteristics of groups whose performance was analysed on the new Tower of London task

nMean age (y)Mean NART-IQ
Depressed2848.1 (1.2)111.8 (1.7)
Control2250.0 (1.7)113.7 (1.3)
Parkinson’s1559.8 (1.7)109.6 (2.2)
Frontal lobe1250.9 (3.6)114.7 (2.8)
Schizophrenic1243.4 (3.3)110.4 (3.0)
  • Values in parentheses are SEM.