Key result
Induced worries and aversive screams increased ERN-Ne amplitudes on response time errors for individuals with higher general trait-anxiety.
Why the study?
Although enlarged ERN-Ne amplitudes have been linked to higher anxiety, a meta-analysis showed very small effect sizes for the association of trait-anxiety with ERN-Ne, prompting investigation into modulating conditions.
Does worry induction and error aversiveness increase the association of trait-anxiety with ERN-Ne amplitude in healthy participants?
RCT (n=122)
Randomly assigned
Yes
Does worry induction and error aversiveness increase the association of trait-anxiety with ERN-Ne amplitude in healthy participants?
The study demonstrates that experimental conditions inducing worry and error aversiveness enhance the association between trait-anxiety and ERN-Ne amplitude, particularly in women.
Worry induction may alter ERN interpretation in anxiety assessment; extends meta-analytic evidence for state-trait interactions.
The ERN-Ne of the event-related potential indicates error monitoring. Even though enlarged ERN-Ne amplitudes have often been related to higher anxiety scores, a recent meta-analysis provided very small effect sizes for the association of trait-anxiety with the ERN-Ne. Conditions modulating this association were investigated in the present study: (1) The generality of the trait-anxiety factor, (2) gender, and (3) experimental conditions, i.e., worry induction and error aversiveness. Participants (48% men) completed a flanker task. Worries were induced before the task by giving participants ( n = 61) a bogus feedback claiming their responses were slower than the average responses of participants, whereas other participants ( n = 61) got the feedback that they responded as fast as other participants. Aversiveness of errors was varied by playing sinus tones after too slow responses in one part of the task (no-scream condition) and aversive screams after too slow responses in another part (scream condition). Increased ERN-Ne amplitudes of response time errors occurred for individuals higher on trait-anxiety in the condition with induced worries and screams. A multiple group model for women and men indicated that women are more sensitive to conditions altering the association of trait-anxiety with the ERN-Ne.
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Scheuble et al. (2022) conducted an RCT in Healthy individuals (trait-anxiety) (n=122). Worry induction (bogus feedback) and error aversiveness (screams) vs. No worry induction and low error aversiveness (sinus tones) was evaluated on Error-related negativity (ERN-Ne) amplitude. Induced worries and aversive screams increased ERN-Ne amplitudes on response time errors for individuals with higher general trait-anxiety.
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