name: title class: middle, center, dark <center> <embed src="images/title.svg" type="image/svg+xml" height="100px" align="center" style="border: 0px solid lightgray;"/> </center> --- class: light # Mental Rotation Key Question - Are mental images “pictures” or language-like symbolic representations? (aka "Analog" versus "Propositional" representations) --- class: light # Mental Rotation <img src="figs-mentalRotation/mentalRotation1and2.png" width="100%" style="image-align:left";/> --- class: light, center, middle # Mental Rotation <img src="figs-mentalRotation/mentalRotation3.jpg"; /> --- class: light # Mental Rotation - Cooper (1976) - First measured slope for rotation for each person - Then, participants have to mentally rotate an object. An object appeared at the orientation that the observer's rotation was expected. - People were as fast as when the objects were at the same orientation, giving strong evidence that the object was actually rotated. --- class: light # Mental Rotation - More familiar objects are faster to rotate - Unfamiliar objects which are MADE are familiar become faster too!! --- class: light # Mental Rotation - Can you rotate just anything? <img src="figs-mentalRotation/mentalRotation4.jpg" width="55%"; /> --- class: light # Mental Rotation - Can you rotate just anything? <img src="figs-mentalRotation/mentalRotation5.jpg" width="55%"; /> --- class: light # Mental Rotation - Theoretical debates - Kosslyn (1973) - Analog representations - Pylyshyn (1973) - Propositional representations --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn1.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn2.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn3.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn4.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn5.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn6.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn7.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn8.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn9.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn10.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn11.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn12.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn13.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn14.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn15.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn16.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn17.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn18.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn19.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn20.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn21.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn22.png" width="95%"; /> --- class: light # Mental Rotation <img src="figs-mentalRotation/Kosslyn_Pylyshyn23.png" width="95%"; /> --- class: light - Current interest in Mental Rotation - What are the neural systems underlying mental rotation (e.g., do they involve spatial or motor areas?) - Embodied cognition (like mental image theories, assume mental/perceptual representation are grounded in our actions within the world)