Adult 1 Attention 1 Emotions 1 Female 1 Humans 1 Male 1 Perception 1 Young Adult 1 adult 1 alternative hypothesis 1 article 1 attention 1 attentional capture 1 emotion 1 female 1 human 1 human experiment 1 joint 1 male 1 negative valence 1 perception 1 physiology 1 positive valence stimulus 1 task performance 1 young adult 1