ary ▁revision ." ▁This ▁theoretical ▁regression ▁to ▁an ▁infant ile ▁m im ick ing ▁of ▁speech ▁thus ▁denied ▁to ▁the ▁dream ing ▁process ▁proper ▁any ▁substantial ▁language ▁function ing ▁or ▁( in ▁modern ▁terms ) ▁lingu istic ▁compet ence . ▁ ▁With ▁a ▁view ▁to ▁testing ▁the ▁valid ity ▁of ▁Fre ud ' s ▁re play ▁hypothesis , ▁the ▁subject - d ream ers ▁in ▁the ▁above - ment ioned ▁experiment ▁on ▁lingu istic ▁compet ence ▁were ▁asked ▁with ▁regard ▁to ▁each ▁of ▁their ▁dream ▁speech ▁spec im ens ▁whether ▁they ▁could ▁recall ▁having ▁said ▁the ▁utter ance ▁prior ▁to ▁the ▁dream ▁in ▁w aking ▁life ▁in ▁the ▁same ▁or ▁similar ▁words . ▁The ▁subjects ▁de emed ▁that ▁to ▁have ▁been ▁the ▁case ▁on ▁the ▁day ▁before ▁the ▁dream ▁for ▁ 8 % ▁of ▁the ▁utter ances ▁and ▁for ▁the ▁week ▁before ▁the ▁dream ▁( including ▁the ▁day ▁before ▁the ▁dream ) ▁for ▁ 1 4 % ▁of ▁the ▁utter ances . ▁Such ▁low ▁figures ▁appear ▁to ▁invalid ate ▁Fre ud ' s ▁re play ▁hypothesis . ▁ ▁Ne o - Fre ud ian ▁revision ism ▁Although ▁no ▁ne o - Fre udi ans ▁treat ▁the ▁phenomen on ▁of ▁dream ▁speech ▁per ▁se , ▁proposed ▁revis ions ▁to ▁the ▁ps y cho anal yt ic ▁model ▁of ▁the ▁mind ▁by ▁the or ists ▁such ▁as ▁Gill , ▁Hol t ▁and ▁No y , ▁beginning ▁in ▁the ▁late ▁ 1 9 6 0 s , ▁various ly ▁included ▁the ▁re def ining ▁of ▁the