虚拟现实导航迷宫范式课件

Howage-relatedstrategyswitchingdeficitsaffectwayfindingincomplexenvironmentsMathewaharris.ThomaswolbeNeurobiologyofAging,2013responsivebrainregionsduringgoal-directednavigatiofationalFunctionalconnectionsbetweenopticflowareasandnavigNeuroimage,201AcentralrolefortheretrosplenialcortexindenovoenvironmentallearningStephenDAuger,PeterZeidman,EleanorAMaguire,AneventmapofmemoryspaceintheHippocampusorenadeukerjacoblsBellmundTobiasNavarroschro'derChristianFDoellerTheNeuralRepresentationofProspectiveChoiceduringSpatialPlanningarDecisionsaelKostter,WilliamD.Penny,NeilBurgess,KarlJ,Frist●F时erstartVEsandroutesoTeleportStar:0●TeleportEnd●Route/Con研究Howage-relatedstrategyswitchingdeficitsaffectwayfindingincomplexenvironmentsMathewAHarris.ThomaswolbeNeurobiologyofAging,2013实验设计被试25年人(13男)(3829岁)25老年人(14男)(6179岁)实验设计28年轻(青年人、老年人)2N路变换switch//reversal)×2M枞现实环境实验流程现实城导航虚拟现实十字迷官研究目的1证明老年人白我向非白我策路转换受损2、老年人的策略选择受损会影响导航成绩。VEsandroutesD2]6a2-shortcut1个训练循环1个训练循环---Shortcut22路线x22路线x2探测x3VEXVE27≥训练循环数≥3训练阶段VEscreenshotProbetrialscreenshotWhichwayisthePostOffice?训练阶段训练阶段的探测试次只能沿着固定路线移动路口呈现箭头指示方向e测试阶段4原本学习路线4新路线s1-G2(VE1、2S2→G1(VE1、216试次=8路线x2任务目标:不需要严格遵循之前的路线,测验过程中的目标是沿着最短的捷径达到要求的目标地点虚拟现实十字迷宫PlusMazeTaskVirtualPlusMazePLACERESPONSEm<mTop←SWITCH→1520试次x9bock(4switch+4reversal)=155试次结果Testing