Sensory-vocal studies of a twin pair with cephalic union.
D001303:Auditory Cortex / Q000503:physiopathology*; D001921:Brain / Q000503:physiopathology; D002652:Child Behavior; D002657:Child Development; D003448:Crying; D004569:Electroencephalography; D005071:Evoked Potentials; D005260:Female; D006257:Head; D006309:Hearing; D006801:Humans; D007223:Infant; D007858:Learning; D008722:Methods; D014428:Twins, Conjoined / Q000503:physiopathology*; D014705:Verbal Behavior; D014785:Vision, Ocular; D014793:Visual Cortex / Q000503:physiopathology*; D014831:Voice