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Area of Science:

  • Psycholinguistics
  • Cognitive Neuroscience
  • Affective Science

Background:

  • Bilinguals often exhibit reduced emotional sensitivity to their non-native (L2) language compared to their native (L1) language.
  • The physiological underpinnings of how L1 and L2 contexts influence bilinguals' affective states, such as mood, remain underexplored.

Purpose of the Study:

  • To investigate the physiological differences in mood sensitivity between native (L1) and non-native (L2) language contexts in bilingual individuals.
  • To determine if cognitive load associated with L2 processing affects emotional reactivity.

Main Methods:

  • Polish-English bilinguals were induced into L1 or L2 mode by reading corresponding sentences.
  • Participants watched positive and negative mood-inducing films while electrodermal activity (skin conductance responses and amplitudes) was measured.

Main Results:

  • A greater number of skin conductance responses were observed in the negative mood condition within the L1 context only, indicating reduced sensitivity to negative mood changes in L2.
  • Skin conductance amplitudes were generally higher in the L2 context compared to the L1 context.
  • These results suggest decreased physiological sensitivity to mood shifts in the L2 relative to the L1 mode.

Conclusions:

  • Bilinguals demonstrate decreased physiological sensitivity to mood changes in their L2, likely due to the increased cognitive engagement required for L2 processing.
  • The findings highlight the interplay between language mode, cognitive load, and emotional regulation in bilinguals.