† Division of Neurology, Hospital de Clinicas de Porto Alegre, Rua Ramiro Barcelos 2350, sala 2040 – Porto Alegre, RS – CEP 90035-003, Brazil Tel.: +55 513 222 4690 Fax: +55 513 222 4690 ...

In adults, consciousness is the state of awareness of self and environment that gives significance to internal and external stimuli reaching the cerebral cortex. To be conscious, the individual ...