Textbook Notes (362,796)
Canada (158,054)
Psychology (9,545)
PSYB65H3 (479)
Ted Petit (185)
Chapter 10

Chapter 10

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University of Toronto Scarborough
Ted Petit

Chapter Ten-Spatial Ability What Is Spatial Ability? Spatial ability: process position, direction or movement of objects or points in space o i.e. notice orientation of object e.g. handle of mug pointing toward or away from you o look at shoe and decide whether for right or left foot space is multifaceted construct o includes real space (what you can sense right now) and imagined space (space that you can think about even though you cannot directly experience it right now) spatial ability has six discrete basic componentsindividual skills o targeting- how well you can throw an object at a target o spatial orientation- how well you can recognize items even when they are placed in diff orientationsdirections o spatial location memory: how well you can remember the location of objects o spatial visualization: how well you can imagine how well pieces of an object would go together o disembedding: how well you can find figures that are hidden win other pictures o spatial perception: how well you can determine where horizontal or vertical is in the real world even if you are given distracting information Hemispheric Representation of Space left hemisphere of brain: specialized for language processing right hemisphere of brain: specialized for spatial processing much evidence that supports this position but there are exceptions: o lesions to left hemisphere or bilateral damage results in difficulties w spatial perception the most basic spatial ability: ability to localize a point in space www.notesolution.com o to localize a point in space, need to know where the point is absolutely and the relative position of that point o to know whether point occupies the same location as another point requires depth perception o neurologically normal people can identify location of dot more readily when it occurs in left visual field right hemisphere left visual field advantage for dot location: superiority of right hemisphere for processing spatial location o right hemisphere (esp right prefrontal cortex): recall of spatial location information Depth perception: ability to determine relative position of object o Very basic spatial ability o Divided into two types: 1) Local depth perception: ability to use detailed features of objects point by point to assess relative position i.e. in looking at this page, look at relative position of these words w corners of book to determine which corner of book was closer to you determination of which object is in front of another: left visual field advantage in normals both right and left hemisphere lesions disrupt local depth perception Global depth perception: ability to use difference between information reaching each eye to compute entire visual scene Random dot stereograms or Magic Eye pictures Production of 3D image: brain computes differences in images presented to two eyes and fuses these images to produce depth bc no obvious features in pictures, local depth perception cues cannot be responsible for this effect www.notesolution.com
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