Motor aura, Aphasic auraには陰性前兆しかない。
Intriguingly, aphasic and motor auras result in only negative symptoms.
Lancet Neurol. 2011 May;10(5):457-70. Epub 2011 Mar 30.
Sporadic and familial hemiplegic migraine: pathophysiological mechanisms, clinical characteristics, diagnosis, and management.
Russell MB, Ducros A.
http://www.ncbi.nlm.nih.gov/pubmed?term=mb%20russell%20sporadic%202011
