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  1. TopFoto.co.uk
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  3. TopFoto.co.uk
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  4. London Scientist Measures Brain Waves .Mr . William Grey Walter , a young Cambridge scientist at the Maida Vale Hospital , London , has devised an apparatus for measuring brain waves . He uses an ordinary radio set as an amplifier and records on an electrical amplifier and records on an electrical measuring apparatus the intensity of the brain waves . Metal plates are placed at chosen spots on the subject ' s skull and connected with the instrument . The experiment prooves that the thought process in human brain produces electrical emanations powerful enough to be visibly recorded . Normal thought gives off a fairly regular waves , but the waves die off during sleep . The research enables the relative intensity of thought processes in normal and abnormal persons to be measured .Photo shows : Mr . Grey Walter experimenting with his apparatus on a patient at the Maida Vale Hospital .21 Aug 1936 [ Electroencephalography ( EEG ) ][ London Scientist Can Pick Up Brain Cells ' " Broadcasts " Brain - cells can now be made to " broadcast " by Mr . Gray Walters , of Maudslay Hospital , the LCC mental institution , and the Hospital for Nervous Diseases , Maida Vale . Mr Walters has perfected a wireless device which can detect the causes of blindness , paralysis , epilepsy and insanity . For the first time , doctors have obtained direct channel into the brain and have been enabled to see brain conditions which they have hitherto only suspected . By means of a cathode oscillograph - " The Magic Bottle " - they can watch the brain - cells , which are miniature wireless transmitters , sending out their messages and can locate exact spot in the brain where there is disturbance . 7 Feb 1938 ] *** Local Caption ***
    TopFoto.co.uk
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  5. London Scientist Measures Brain Waves .Mr . William Grey Walter , a young Cambridge scientist at the Maida Vale Hospital , London , has devised an apparatus for measuring brain waves . He uses an ordinary radio set as an amplifier and records on an electrical amplifier and records on an electrical measuring apparatus the intensity of the brain waves . Metal plates are placed at chosen spots on the subject ' s skull and connected with the instrument . The experiment prooves that the thought process in human brain produces electrical emanations powerful enough to be visibly recorded . Normal thought gives off a fairly regular waves , but the waves die off during sleep . The research enables the relative intensity of thought processes in normal and abnormal persons to be measured .Photo shows : Mr . Grey Walter experimenting with his apparatus on a patient at the Maida Vale Hospital .21 Aug 1936 [ Electroencephalography ( EEG ) ][ London Scientist Can Pick Up Brain Cells ' " Broadcasts " Brain - cells can now be made to " broadcast " by Mr . Gray Walters , of Maudslay Hospital , the LCC mental institution , and the Hospital for Nervous Diseases , Maida Vale . Mr Walters has perfected a wireless device which can detect the causes of blindness , paralysis , epilepsy and insanity . For the first time , doctors have obtained direct channel into the brain and have been enabled to see brain conditions which they have hitherto only suspected . By means of a cathode oscillograph - " The Magic Bottle " - they can watch the brain - cells , which are miniature wireless transmitters , sending out their messages and can locate exact spot in the brain where there is disturbance . 7 Feb 1938 ] *** Local Caption ***
    TopFoto.co.uk
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  6. TopFoto.co.uk
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  7. TopFoto.co.uk
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  8. TopFoto
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  11. John Topham / TopFoto
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  12. John Topham / TopFoto
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