The beauty and necessity of good research design: The facilitated communication story tells us the answer. Without research designs, even intelligent people can be fooled. Prefrontal lobotomy: surgical procedure that severs fibres connecting the frontal lobes of the brain from the underlying thalamus (used to treat schizophrenia and other severe mental disorders) Controlled studies showed that prefrontal lobotomy does not work. Facilitated communication - is a technique used by some caregivers and educators in an attempt to assist people with severe communication disabilities. The technique involves pointing to letters on an alphabet board, keyboard or other device so that the person with the communication disability can communicate. The facilitator holds or gently touches the disabled person"s arm or hand during this process. In addition to providing physical support needed for typing or pointing, the facilitator provides verbal prompts and moral support. At first there was stunning progress of facilitated communication.