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Differential impact of the first and second wave of a stress response on subsequent fear conditioning in healthy men.
We examined effects of the first-wave and second-wave stress response on acquisition and immediate extinction of differential fear conditioning, assessed by skin conductance responses. In Experiment 1, we placed acquisition either close to the (second-wave) salivary cortisol peak, induced by a psych...
Up-regulation of emotional responses to reward-predicting stimuli: An ERP study.
We examined whether people are capable of up-regulating emotional responses to reward-predicting stimuli. Participants passively viewed colored squares that predicted a reward or no reward, and up- or down-regulated their emotional responses to these reward-predicting stimuli by focusing on the rewa...
The ERN is the ERN is the ERN? Convergent validity of error-related brain activity across different tasks.
Error-processing is increasingly examined using the error-related negativity (ERN) and error positivity (Pe) - event-related potentials (ERPs) that demonstrate trait-like properties and excellent reliability. The current study focuses on construct validity by applying a multitrait-multimethod approa...
Frontal brain asymmetry and transient cardiovascular responses to the perception of humor.
The study examined the relationship of individual differences in prefrontal brain asymmetry, measured by the EEG in resting conditions, to the individual's responsivity in the context of humor (n=42). Several weeks after the EEG recording, immediate cardiovascular responses to the perception of humo...
Heart rate and autonomic response to stress after experimental induction of worry versus relaxation in healthy, high-worry, and generalized ...
Generalized anxiety disorder (GAD) is the most commonly occurring anxiety disorder and has been related to cardiovascular morbidity such as cardiac ischemia, sudden cardiac death, and myocardial infarction. Both GAD and its cardinal symptom - worry - have been shown to promote muted physiological re...
The impact of emotion on the perception of graded magnitudes of respiratory resistive loads.
We hypothesized that viewing pleasant, neutral and unpleasant affective pictures would modulate the perception of respiratory loads of different load magnitudes. Twenty-four healthy adults participated in the study. Five inspiratory resistive loads of increasing magnitude (5, 10, 15, 20, 45 cm H(2)O...
The N-40: an electrophysiological marker of response selection.
A frontocentral electrophysiological wave occurring before the response, the N-40, has been reported in response choice situations compared to no-choice situations. This was interpreted as reflecting response selection. The gradual sensitivity of the N-40 to the demands put on response choice was te...
Who is to blame? Oxytocin promotes nonpersonalistic attributions in response to a trust betrayal.
We propose that OT might boost trust through the link between angry rumination and the use of nonpersonalistic and personalistic attributions. Nonpersonalistic attributions put the blame for the betrayal on the perpetrator's situation, whereas personalistic attributions blame his dispositions for th...
Fear extinction in humans: effects of acquisition-extinction delay and masked stimulus presentations.
We manipulated CS contingency awareness by presenting two of the CSs (one CS+, one CS-) under non-masked conditions and the other two CSs under masked conditions. Compared to delayed extinction, immediate extinction of non-masked CSs promoted less extinction of fear-potentiated startle and shock exp...
Does processing of emotional facial expressions depend on intention? Time-resolved evidence from event-related brain potentials.
We assessed the automaticity of emotional face processing with respect to the intentionality criterion, holding that automatic processes are triggered independently of intention. For this purpose, we observed emotion processing in event-related brain potential (ERP) components under five different t...