Variable | M | SD |
---|---|---|
Psychometric Measures | Â | Â |
SCL-90-R GSI | 0.3 | 0.4 |
BDI | 2.5 | 3.2 |
WAIS-R EST-IQ | 101.8 | 10.0 |
STAI-T | 31.2 | 8.2 |
NEO-PI-R Domain | Â | Â |
 Neuroticism | 46.7 | 8.0 |
 Extroversion | 54.7 | 8.2 |
 Openness | 48.0 | 11.3 |
 Agreeableness | 48.0 | 9.4 |
Loud-tone Psychophysiologic Measures | Â | Â |
Heart rate | Â | Â |
 Pre-tone level (bpm) | 71.6 | 11.6 |
 Mean response (√bpm) | 0.6 | 0.9 |
 Response slope | 0.1 | 1.0 |
Skin conductance | Â | Â |
 Pre tone level (μS) | 7.2 | 5.6 |
 Mean response (√μS) | 0.6 | 0.3 |
 Response slope | -0.4 | 0.2 |
 Trials to criterion | 9.7 | 4.2 |
Electromyogram | Â | Â |
 Mean response (√μV) | 2.3 | 1.7 |
Fear-conditioning Psychophysiologic Measures | Â | Â |
SC Orienting Response | 0.6 | 0.7 |
Differential Response | Â | Â |
 Acquisition Phase |  |  |
  SC (μS) | 0.2 | 0.5 |
  EMG (μv) | 0.2 | 2.9 |
  HR (bpm) | 1.0 | 5.7 |
 Extinction Phase |  |  |
  SC (μS) | -0.1 | 0.5 |
  EMG (μV) | -0.7 | 4.4 |
Response to CS + trials |  |  |
 Acquisition Phase |  |  |
  SC (μS) | 0.6 | 0.6 |
  EMG (μv) | 2.5 | 3.0 |
  HR (bpm) | 5.8 | 4.8 |
 Extinction Phase |  |  |
  SC (μS) | 0.2 | 0.4 |
  EMG (μV) | 3.1 | 4.2 |