Anticipation, hope, and despair.
D000223:Adaptation, Psychological; D000293:Adolescent; D000311:Adrenal Glands / Q000502:physiology; D000328:Adult; D001010:Anxiety, Separation / Q000150:complications; D001143:Arousal; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003214:Conditioning, Classical; D003863:Depression / Q000378:metabolism; D004644:Emotions; D006801:Humans; D007223:Infant; D008426:Maternal Deprivation; D009638:Norepinephrine / Q000378:metabolism; D009769:Object Attachment; D009949:Orientation; D011603:Psychophysiology
D009638:Norepinephrine