Anterior midcingulate cortex 1 Article 1 Early Posterior Negativity Electroencephalography 1 Evoked Potentials 1 Feedback Related Negativity 1 Food 1 Humans 1 Late Positive Potential 1 Motivation 1 Reward 1 Reward Positivity 1 adult 1 electroencephalography 1 event related potential 1 evoked response 1 female 1 food 1 food image 1 human 1 human experiment 1 imaging and display 1 male 1 mental task 1 monetary reward 1 motivation 1 normal human 1 reaction time 1 reward 1 stimulus response 1