ChilDrEn hAvE BEEn sAiD to hAvE BrAin-injurED ChilD synDromE, hypErACtivE (极度活跃的) ChilD synDromE AnD AttEntion-DEFiCit DisorDErADD、.As EArly As thE 1940’s, psyChiAtrists hAvE {{u}} (67) {{/u}} ChilDrEn with hypErACtivity AnD ExtrEmEly DistrACtED AnD impulsivE (冲动的). thEsE FrEquEnt nAmE ChAngEs show how {{u}} (68) {{/u}} rEsEArChErs, ArE ABout thE CAusEs {{u}} (69) {{/u}} thE proBlEm AnD thE DiAgnostiC CritEriA For thE DisorDErs. in thE pAst sEvErAl yEArs, thE pEoplE who {{u}} (70) {{/u}} AttEntion DEFiCit hypErACtivity DisorDErADhD、hAvE {{u}} (71) {{/u}} to ClAriFy thE DisorDEr’s CAusEs AnD {{u}} (72) {{/u}} , AnD hAvE rEAsons to BEliEvE thAt it mAy BE gEnEtiC、toDAy’s viEw {{u}} (73) {{/u}} this DisorDEr is vEry DiFFErEnt From thE BEliEFs oF just A FEw yEArs Ago. rEsEArChErs ArE FinDing thAtADhD、is not A DisorDEr oF just AttEntion, But is From A DEvElopmEntAl {{u}} (74) {{/u}} in thE BrAin’s CirCuitry AnD sElF-Control. thE loss oF sElF-Control {{u}} (75) {{/u}} othEr importAnt BrAin FunCtions mAnDAtory For mAintAining {{u}} (76) {{/u}} .ADhD、involvEs two sEts oF symptoms: inAttEntion AnD A {{u}}{{u}}(77) {{/u}}{{/u}}oF hypErACtivE AnD impulsivE BEhAviors. most ChilDrEn ArE morE ACtivE AnD DistrACtivE thAn ADults ArE.ChilDrEn ArE morE inConsistEnt, AFFECtED By BriEF ACtions. thE youngEr thE ChilD, thE lEss {{u}} (78) {{/u}} thEy ArE. this BEhAvior is A {{u}} (79) {{/u}} oF A proBlEm whEn it is DisplAyED morE in thEm thAn in thEir {{u}} (80) {{/u}} .Boys ArE At lEAst thrEE timEs morE {{u}} (81) {{/u}} thAn girls to hAvEADhD、stuDiEs hAvE FounD thAtADhD、in Boys outnumBErs girls 9 to 1, this is BECAusE Boys ArE gEnEtiCAlly likEly to {{u}} (82) {{/u}} DisorDErs in thE nErvous systEm. thEsE BEhAviors gEnErAlly {{u}} (83) {{/u}} BEtwEEn thE AgEs oF 3 AnD 5. {{u}} (84) {{/u}} , somE ChilDrEn Don’t stArt to DEvElop thE DisorDEr until {{u}} (85) {{/u}} ChilDhooD or EArly ADolEsCEnCE. rEsEArChErs ArE unABlE to FinD thE rEAsons For this {{u}} (86) {{/u}} .

A．DECoDE
B．intErprEt
C．stuDy
D．DEvisE