Hemispatial Neglect

Question 1

What is hemispatial neglect?

Answer 1

a neurological syndrome associated with unilateral cortical lesions

Question 2

What fraction of right hemisphere stroke patients does it affect?

Answer 2

2/3

Question 3

What are the symptoms?

Answer 3

a lack of awareness of objects and events on the visual side contralateral to the lesions (usually left visual field due to right hemispheric lesions)

Question 4

Who are the researchers involved?

Answer 4

Driver & Halligan (1991) and Vuillumier et al (2002)

Question 5

Is the neglect tied to the object or the visual field?

Answer 5

object

Question 6

How do we know this?

Answer 6

participants fail to detect differences on the left side of an image that fell on the right side of their visual midline

Question 7

What can mediate the neglect?

Answer 7

Emotion

Question 8

In a study using positive/neutral/negative faces on the neglectful side of the visual field - what was found?

Answer 8

that emotional valiancy breaks through the spatial gradient