Table 1.
Mean change scores for physiological measures during imagery of neutral and fear scripts.
| Imagery only (n = 17) |
Imagery with EM (n = 17) |
||||
|---|---|---|---|---|---|
| Neutral | Fear | Neutral | Fear | ||
| HR | Pre-test | –0.31 (5.39) | 1.71 (3.30) | –0.01 (2.90) | 2.03 (2.02) |
| Post-test | –1.53 (4.10) | 2.50 (3.86) | –3.70 (3.45) | 0.77 (2.48) | |
| SC | Pre-test | –0.00047 (0.0056) | 0.00011 (0.0055) | –0.00902 (0.0380) | –0.00797 (0.0391) |
| Post-test | 0.00160 (0.0064) | 0.00110 (0.0071) | –0.01200 (0.0392) | –0.00810 (0.0390) | |
| EMG frontalis | Pre-test | –0.00100 (0.0020) | –0.00110 (0.0020) | –0.00180 (0.0013) | –0.00183 (0.0013) |
| Post-test | –0.00012 (0.0021) | –0.00012 (0.0023) | –0.00191 (0.0019) | –0.00221 (0.0018) | |
| EMG corrugator | Pre-test | 0.00021 (0.0012) | 0.00021 (0.0014) | –0.00055 (0.0016) | 0.00001 (0.0017) |
| Post-test | –0.00041 (0.0015) | 0.00011 (0.0019) | 0.00022 (0.0053) | 0.00116 (0.0072) | |
SDs of the mean are in parentheses. Heart rate (HR) is measured in beats per minute, skin conductance (SC) is measured in microsiemens and electromyography (EMG) root mean square response scores for the corrugator and frontalis are measured in microvolts.