Dunno. Extra volume needn't mean increased ability.
My lyme disease specialist says bipolar is actually lyme disease. Lyme disease has all the same symptoms. Doctors don’t know much about lyme so they usually diagnose people with bipolar, RA, Lupus, MS, Parkinson’s, Gout, Fibromyalgia Chronic Fatigue, autism, Crohn’s,etc.... the list goes on and on. Lyme disease has overtaken AIDS, and no one ever talks about Lyme disease. Strange...