Peptidergic influences: tip of the iceberg?
D000818:Animals; D001288:Attention / Q000502:physiology; D003342:Corpus Striatum / Q000502:physiology; D004644:Emotions / Q000502:physiology; D004723:Endorphins / Q000502:physiology*; D004745:Enkephalins / Q000502:physiology*; D005116:Extrapyramidal Tracts / Q000502:physiology; D006801:Humans; D008032:Limbic System / Q000502:physiology; D009042:Motivation / Q000502:physiology; D009043:Motor Activity / Q000502:physiology; D011957:Receptors, Opioid / Q000502:physiology*
D004723:Endorphins; D004745:Enkephalins; D011957:Receptors, Opioid