▁Wh itch urch ▁Psych iat ric ▁Hospital , ▁Card iff . ▁Four ▁years ▁later , ▁with ▁one ▁of ▁the ▁first ▁Ge iger ▁coun ters ▁to ▁measure ▁radio is ot op es ▁in ▁the ▁country , ▁he ▁and ▁R MC ▁Daw son ▁had ▁isolated ▁nuc lei ▁from ▁the ▁cells ▁of ▁the ▁c ere br al ▁cor tex ▁and ▁demonstrated ▁changes ▁in ▁brain ▁met abol ism ▁with ▁changes ▁in ▁brain ▁function . ▁With ▁Lin ford ▁Re es ▁he ▁carried ▁out ▁early ▁work ▁on ▁bio chem ical ▁changes ▁concerning ▁ep ile ps y ▁and ▁electro conv uls ive ▁ther apy ▁( ECT ) ▁and ▁collabor ated ▁with ▁W . ▁Grey - W alter ▁in ▁E EG ▁studies . ▁With ▁M iki ▁G ait onde , ▁he ▁worked ▁on ▁the ▁met abol ic ▁activity ▁of ▁prote ins ▁of ▁the ▁brain . ▁ ▁At ▁Car shal ton , ▁Rich ter ▁gathered ▁a ▁mult id is cipl inary ▁international ▁group ▁of ▁scient ists ▁with ▁a ▁global ▁approach ▁to ▁their ▁research . ▁He ▁became ▁involved ▁with ▁the ▁World ▁Health ▁Organ ization , ▁and ▁Am n esty ▁International . ▁In ▁ret irement ▁he ▁was ▁elected ▁a ▁fellow ▁of ▁the ▁Royal ▁College ▁of ▁Psych iat rist s , ▁and ▁wrote ▁a ▁series ▁of ▁human itar ian ▁books . ▁Typ ically , ▁his ▁last ▁book ▁was ▁intended ▁for ▁foreign ▁visitors . ▁ ▁Conc ern ▁for ▁the ▁child less ▁women ▁prompt ed ▁him , ▁through ▁medical ▁colle ague ▁Bert old ▁Wies ner ▁to ▁become ▁one ▁of ▁the ▁first ▁s perm ▁don ors ▁at ▁Mary