▁as ▁a ▁treatment ▁against ▁pro state ▁cancer , ▁A LS , ▁and ▁other ▁ne uro de gener ative ▁dise ases ▁such ▁as ▁Park inson ' s ▁disease ▁and ▁Hun ting ton ' s ▁disease . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁The ▁M ER OP S ▁online ▁database ▁for ▁pe pt id ases ▁and ▁their ▁in hib itors : ▁M 2 0 . 0 0 1 ▁ ▁Prote in ▁Data ▁Bank : ▁Prote in ▁Data ▁Bank ▁▁▁ ▁Category : EC ▁ 3 . 4 . 1 7 ▁Category : Ne uro trans mit ters ▁Category : M ole cular ▁neu ros cience ▁Category : Z inc ▁en zym es ▁Category : Pe pt id ase <0x0A> </s> ▁Carol yn ▁P . ▁Col lette ▁ ▁is ▁an ▁American ▁literary ▁critic ▁and ▁a ▁special ist ▁in ▁medieval ▁literature , ▁particularly ▁Geoff rey ▁Ch au cer ' s ▁The ▁Can ter bury ▁T ales . ▁She ▁is ▁Professor ▁Emer ita ▁of ▁English ▁Language ▁and ▁Liter ature ▁at ▁Mount ▁Holy oke ▁College , ▁and ▁a ▁Research ▁Associ ate ▁at ▁the ▁Centre ▁for ▁Med ieval ▁Studies ▁at ▁the ▁University ▁of ▁York , ▁in ▁England . ▁ ▁Background ▁Col lette ▁received ▁her ▁B . A . ▁from ▁Mount ▁Holy oke ▁College ▁and ▁Ph . D . ▁from ▁the ▁University ▁of ▁Massachusetts ▁Am her st . ▁ ▁Select ▁bibli ography ▁ ▁Books ▁ ▁Species , ▁Ph ant as ms ▁and ▁Im ages : ▁V ision ▁and ▁Med ieval ▁Psych ology ▁in ▁the ▁Can ter bury ▁T ales . ▁Ann ▁Ar