There is no language in the world that is ever spoken aloud without accompanying hand movements … the greater the effort of concentration on live speech, the more the speaker needs to move their hands
Quote comes from Bellos: Is that A Fish In Your Ear?
Is there a difference between the kind of striving displayed by those aging normally ( senior moments accompanied by hand waving to try & make the word come), & those with Alzheimers (just sitting passive & unmoving)?
Links
Observation of Hand Movements by Older Persons with Dementia: Effects on Cognition
Effects on memory of verbal labeling for hand movements in persons with Alzheimer's disease
Observation of Hand Movements by Older Persons with Dementia: Effects on Cognition
Effects on memory of verbal labeling for hand movements in persons with Alzheimer's disease
Added 9 November:
If you really want to see the brain in action look at someone moving their hands or talking
Professor Sophie Scott: Radio 4 Mind Myths 8 November 2011
