▁ag ing ▁and ▁ox id ative ▁stress , ▁imm unity , ▁di ab etes , ▁and ▁cancer , ▁as ▁well ▁as ▁drug ▁ab use . ▁ ▁Connect ome ▁▁ ▁D ros oph ila ▁is ▁one ▁of ▁the ▁few ▁animals ▁( C . ▁E leg ans ▁being ▁another ) ▁where ▁detailed ▁neural ▁circ uits ▁( a ▁connect ome ) ▁are ▁available . ▁ ▁A ▁high - level ▁connect ome , ▁at ▁the ▁level ▁of ▁brain ▁compart ments ▁and ▁inter connect ing ▁tract s ▁of ▁neur ons , ▁exists ▁for ▁the ▁full ▁fly ▁brain . ▁ ▁A ▁version ▁of ▁this ▁is ▁available ▁online . ▁ ▁D etailed ▁circuit - level ▁connect om es ▁exist ▁for ▁the ▁l am ina ▁and ▁a ▁med ulla ▁column , ▁both ▁in ▁the ▁visual ▁system ▁of ▁the ▁fruit ▁fly , ▁and ▁the ▁alpha ▁lo be ▁of ▁the ▁m ush room ▁body . ▁ ▁In ▁May ▁ 2 0 1 7 ▁a ▁paper ▁published ▁in ▁bio R xiv ▁presented ▁an ▁electron ▁micro sc opy ▁image ▁stack ▁of ▁the ▁whole ▁adult ▁female ▁brain ▁at ▁syn apt ic ▁resolution . ▁The ▁volume ▁is ▁available ▁for ▁sparse ▁trac ing ▁of ▁selected ▁circ uits . ▁ ▁In ▁ 2 0 2 0 , ▁a ▁dense ▁connect ome ▁of ▁half ▁the ▁central ▁brain ▁of ▁D ros oph ila ▁was ▁released , ▁along ▁with ▁a ▁web ▁site ▁that ▁allows ▁queries ▁and ▁expl oration ▁of ▁this ▁data . ▁ ▁The ▁methods ▁used ▁in ▁reconst ruction ▁and ▁initial ▁analysis ▁of ▁the ▁connect ome ▁followed . ▁ ▁Development ▁▁ ▁The