| Acquisition | Extinction | Early extinction | Late extinction | ||||
---|---|---|---|---|---|---|---|---|
Measure | CS+ | CS− | CS+ | CS− | CS+ | CS− | CS+ | CS− |
Physiological | Â | Â | Â | Â | Â | Â | Â | Â |
 Square root transformed SCR magnitude (μS) | .27 (.17)** | .13 (.11)** | .16 (.13)* | .13 (.12)* | .20 (.17) | .14 (.11) | .13 (.14) | .11 (.14) |
 Pupil dilation (Δmm) | −.023 (.010) | −.024 (.010) | −.025 (.008) | −.024 (.013) | −.027 (.015) | −.026 (.018) | −.023 (.008) | −.023 (.022) |
Behavioral | Â | Â | Â | Â | Â | Â | Â | Â |
 Uneasiness rating (1–9) | 3.61 (1.93)** | 2.09 (1.50)** | 1.67 (1.23) | 1.75 (1.32) | 1.84 (1.27) | 1.88 (1.42) | 1.49 (1.38) | 1.41 (1.31) |