▁in ▁ 1 9 3 0 ▁and ▁became ▁a ▁full ▁member ▁in ▁ 1 9 3 7 . ▁She ▁also ▁became ▁a ▁fellow ▁of ▁the ▁Ger ont ological ▁Society ▁in ▁ 1 9 5 7 . ▁ ▁Ball ' s ▁research ▁on ▁the ▁role ▁of ▁h orm ones ▁and ▁behavior ▁was ▁some ▁of ▁the ▁earliest ▁in ▁the ▁field , ▁contempor aneous ▁with ▁work ▁of ▁Will am ▁C ald well ▁( W . C ) ▁Young ▁and ▁preceding ▁the ▁work ▁of ▁Frank ▁A . ▁Beach , ▁both ▁of ▁whom ▁were ▁considered ▁found ers ▁of ▁the ▁field ▁of ▁behavior al ▁ne uro end ocr in ology . ▁Ball ' s ▁first ▁paper ▁in ▁ 1 9 2 6 ▁represented ▁the ▁earliest ▁work ▁on ▁the ▁role ▁of ▁ster oid ▁h orm ones ▁on ▁non - sex ual ▁behav iors , ▁in ▁this ▁case ▁learning ▁and ▁memory ▁in ▁r ats . ▁Her ▁work ▁on ▁the ▁role ▁of ▁h orm ones ▁and ▁re product ive ▁behavior ▁in ▁both ▁r ats ▁and ▁mac a ques ▁throughout ▁the ▁ 1 9 3 0 s ▁and ▁early ▁ 1 9 4 0 s ▁constit uted ▁fundamental ▁contributions ▁to ▁the ▁field . ▁Beach ▁once ▁commented ▁at ▁a ▁meeting ▁that ▁if ▁a ▁conference ▁on ▁re product ive ▁behavior ▁had ▁been ▁held ▁in ▁the ▁ 1 9 3 0 s , ▁it ▁would ▁have ▁three ▁participants : ▁W . C . ▁Young , ▁Joseph ine ▁Ball , ▁and ▁himself . ▁Beach ▁also ▁considered ▁Ball ▁a ▁friend . ▁ ▁References ▁▁ ▁Category : 1 8