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Reducing fear when a threat has disappeared protects against a continuously elevated anxiety state. In this study, we investigated the brain mechanism involved in this process.The threat paradigm consisted of discrete cues that signaled either threat of shock or safety. Healthy participants were tested in two sessions in which eyeblink startle (n = 26) and blood oxygen level dependence (n = 23) were...
Past studies beginning with Jackson et al. [Jackson, D.C., Malmstadt, J.R., Larson, C.L., Davidson, R.J., 2000. Suppression and enhancement of emotional responses to unpleasant pictures. Psychophysiology 37 (4), 515–522.] document increases and decreases in emotionally-potentiated startle by way of instructing participants to enhance or suppress their emotional responses to symbolic sources of threat...
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