Emotional context during encoding modulates recognition electrophysiological activity.
The aim of the study was to determine whether experiencing a non-emotional event in a positive or negative emotional context affected recognition of the event and the related electrophysiological activity. Twenty-eight adults participated in a betting-game task in which they could win (positive emotional context) or lose (negative emotional context) money. The participants also completed a non-betting task (non-emotional context). Afterward, the participants completed an old/new recognition task for faces with neutral expressions that were encoded during the betting and non-betting game. Event-related potentials and autonomic responses were recorded. The stimuli learned in the positive emotional context were better recognized than those learned in the non-emotional context. The FN400, the parietal old/new effect and the late frontal old/new effect were modulated by positive valence. Learning information under a positive emotional condition enhances its later recognition and the brain activity that underlies this process.
Laboratorio de NeuroCognición, Facultad de Psicología, Universidad Nacional Autónoma de México, Avenida Universidad 3004, Colonia Copilco Universidad, Building D, Room 212, 04510, Mexico City, Mexico.
Joyce Graciela
JG
Martínez-Galindo
Laboratorio de NeuroCognición, Facultad de Psicología, Universidad Nacional Autónoma de México, Avenida Universidad 3004, Colonia Copilco Universidad, Building D, Room 212, 04510, Mexico City, Mexico. selene@unam.mx.
Selene
0000-0002-5298-7340
S
Cansino
D000328:Adult; D000704:Analysis of Variance; D001931:Brain Mapping; D004569:Electroencephalography; D004644:Emotions / Q000502:physiology*; D005071:Evoked Potentials / Q000502:physiology*; D005149:Facial Expression; D005260:Female; D007839:Functional Laterality / Q000502:physiology; D005712:Galvanic Skin Response; D006801:Humans; D007858:Learning; D008297:Male; D009483:Neuropsychological Tests; D010775:Photic Stimulation; D011930:Reaction Time / Q000502:physiology; D021641:Recognition, Psychology / Q000502:physiology*; D012054:Reinforcement, Psychology; D013997:Time Factors; D014796:Visual Perception / Q000502:physiology*; D055815:Young Adult
ERP; Emotion; Old/new effect; Recognition
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