wilder and his collaborators are cautious about their results both because the data do not become clearer unless it was the anesthesia that responded to the mother ' s learning deficits , or either it was an original disease that may have required surgery and turmoil the learns problems . of the more than 5 , 000 babies studied , 593 requires at least 1 implant and just over 100 infants needed more than two before age 3 . there perhaps be something unusual about this demographic of children that could have made them vulnerability to mental problems and required they undergo surgery and anesthesia .
Anesthesia causes learning disabilities.