▁of ▁Er ick son , ▁the ▁hyp nos is ▁research er ▁André ▁We itzen hof fer , ▁a ▁pro l ific ▁and ▁well - res pected ▁author ▁in ▁the ▁field ▁of ▁hyp nos is ▁himself , ▁has ▁extens ively ▁critic ised ▁the ▁ideas ▁and ▁influence ▁of ▁Er ick son ▁in ▁various ▁writ ings , ▁such ▁as ▁his ▁text book ▁The ▁Pract ice ▁of ▁Hyp not ism . ▁We itzen hof fer ▁displays ▁a ▁clear , ▁and ▁explicitly ▁stated , ▁bias ▁against ▁Er ick son ian ▁Hyp nos is ▁in ▁his ▁book , ▁in ▁favor ▁of ▁what ▁he ▁terms ▁the ▁semi - trad itional , ▁scientific , ▁approach . ▁ ▁The ▁author ▁Jeff rey ▁Mass on ▁dedicated ▁a ▁whole ▁sub - section ▁of ▁his ▁book ▁Again st ▁Ther apy ▁to ▁criticism ▁of ▁Mil ton ▁Er ick son . ▁ ▁Mass on ▁questions ▁the ▁accuracy ▁of ▁Er ick son ' s ▁case ▁reports . ▁ ▁Regarding ▁Er ick son ' s ▁report ▁of ▁a ▁female ▁patient ▁who ▁was ▁alleg edly ▁hyp not ised ▁to ▁have ▁sp ont aneous ▁org as ms ▁throughout ▁the ▁day , ▁Mass on ▁writes , ▁" The ▁whole ▁thing ▁is ▁t ing ed ▁with ▁fant asy ▁and ▁has ▁a ▁feeling ▁of ▁un re ality ▁about ▁it ." ▁▁ ▁Mass on ▁was ▁particularly ▁concerned ▁by ▁Er ick son ' s ▁own ▁reports ▁of ▁cases ▁in ▁which ▁he ▁acted ▁in ▁a ▁manner ▁he ▁felt ▁might ▁be ▁constru ed ▁as ▁sex ually ▁in app ropri ate . ▁ ▁He ▁even ▁goes ▁so ▁far ▁as