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30 Cards in this Set
- Front
- Back
Achromatopsia |
Disorder where a person does not recognise colours |
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Agnosia |
Disorders of vision that impairs object recognition |
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Alexia |
Disorder of vision that impairs reading ability |
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Cortical blindness |
First line of processing of visual input is disrupted and people experience this as blindness |
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Cortical visual systems hypothesis |
Argues that there are two visual processing streams: one for locating objects and one for identifying |
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Dissociations |
Different levels of performance between tasks |
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Dorsal streams |
Pathway running from occipital to the parietal cortex and which is mainly concerned with perception of visual info |
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Double dissociation |
Difference in performance between two tasks which is opposite |
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Graceful degradation |
Functionality of a brain module is reduced in proportion to the extent of a brain lesion |
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Ideo-motor apraxia |
Disorder of gestures |
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Informational encapsulation |
Property of a cognitive module where it is isolated and operates in ignorance to rest of the cognitive system |
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Lesion |
Damage to an area of the brain |
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Modularity |
Way of thinking of mental processes as an interconnected system contained by borders |
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Object recognition |
Synthesising the various elements of an object into work whole and being able to name that object |
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Occipito temporal regions |
Regions of the brain involved in visual object recognition |
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Ocular apraxia |
Disorder of not being able to control where you rest your gaze |
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Optic apraxia |
Disorders of reaching for something when a person uses his sight as a guide of where to reach |
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Primary visual areas |
Area of the Brian to which info travels almost directly to brain |
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Regional specialisation |
when different parts of the brain do different things |
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Secondary visual areas |
Sophisticated areas, dedicated to a range of of specialised visual processing tasks |
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Sensory modalities |
Sensory abilities : hearing, smelling, seeing.... |
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Single dissociation |
Difference in performance between two tasks |
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Spatial ability |
Ability to be aware of where something is |
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Supra-ordinate level |
Greater category that an object can be categorised in |
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Tertiary visual areas |
Highest level of the visual system that operates the most abstract aspects of visual processing |
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Topographical disorientation |
Disorder of vision that impairs route finding |
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Ventral stream |
Pathway running from occipital to infero temporal cortex, and is concerned with recognition of objects as members of familiar class |
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Visual object agnosia |
Disorder where a person does not recognise all types of visual objects |
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Visuo object agnosia |
Denial of part of a body |
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Zooagnosia |
Disorder in the ability to recognise animals |