TB6 B&B Lecture 1 MCQ; Object recognition

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  • Created by: mint75
  • Created on: 26-11-15 14:34

1. From Humphrey & Riddoch (1987), what were patient HJAs behavioural abilities?

  • Cant copy drawings of objects, cant draw from memory + cant recognise from other modalities. Cannot recognise pictures even though can describe features, cannot use gestalt grouping principles, cant decide if novel objects are real
  • Can copy drawings of objects, cant draw from memory + cant recognise from other modalities. Can recognise pictures even though cant describe features, can use gestalt grouping principles, can decide if novel objects are real
  • Can copy drawings of objects (feature by feature), can draw from memory + can recognise from other modalities. Cannot recognise pictures even though can describe features, cannot use gestalt grouping principles, cant decide if novel objects are real
  • Can copy drawings of objects (feature by feature), cant draw from memory but can recognise from other modalities. Cannot recognise pictures even though can describe features, can use gestalt grouping principles, can decide if novel objects are real
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2. What was the double dissassociation finding from Goodale et al (1994) with patient RV and case DF?

  • Case RV (damage to dorsal) could tell the shape of objects apart but could not correctly grasp them. DF (ventral damage) performed at chance at form discrim but could successfully grasp
  • Case RV (damage to ventral) could tell the shape of objects apart but could not correctly grasp them. DF (dorsal damage) performed at chance at form discrim but could successfully grasp
  • Case DF (damage to dorsal) could tell the shape of objects apart but could not correctly grasp them. RV (ventral damage) performed at chance at form discrim but could successfully grasp
  • Both participants performed at chance at the grasping task and correctly in form discrimination

3. From V1, where does the dorsal stream broadly terminate?

  • Posterior parietal cortex
  • Inferior parietal cortex
  • Posterior temporal cortex
  • Inferior temporal cortex

4. What is associative/integrative agnosia?

  • Deficits at the attribution level, where the percept is given meaning by being linked to previous experience. There is accurate copying from vision, but poor drawing from memory
  • Deficits at a perceptual level. Patients often are better at drawing from memory rather than copying an object's form directly and have preserved colour/brightness perception

5. What is apperceptive agnosia?

  • Deficits at a perceptual level. Patients often are better at drawing from memory rather than copying an object's form directly and have preserved colour/brightness perception
  • Deficits at the attribution level, where the percept is given meaning by being linked to previous experience. There is accurate copying from vision, but poor drawing from memory

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