Neglect Studies

Question 1

Karnath 1997

Answer 1

Respond to wrong side if approached contralesionally - ignore food etc.

Question 2

Anton Räderscheidt

Answer 2

Series of self portraits demonstrating how left side of image ignored - return of function

Question 3

Laplane & Degos 1983

Answer 3

Motor neglect - fail to use or acknowledge contralesional limbs

Question 4

Riddoch & Humphreys 1983

Answer 4

Perform better on line bisection when cued with coloured stickers

Question 5

Posner cueing task

Answer 5

Patients attend slower to cues in contralesional areas

Question 6

Corbett & Schulman 2011

Answer 6

Attentional deficit - abnormal interaction between the brain networks controlling attention

Question 7

Bays et al. 2010

Answer 7

Higher probability of eye movements in ipsilesional side - abnormally high saliency, can’t be ignored - disorder of attention caused by disruption of visual cortex

Question 8

Bisiach et al. 1990

Answer 8

Uncoupled perceptual and premotor factors in line bisection task - premotor factors more prominent in patients with frontal lobe lesions

Question 9

Husain et al. 2001

Answer 9

STM component, patients return to cues repeatedly (eye tracking) L’s and T’s

Question 10

Bisiach and Luzatti 1978

Answer 10

Representational neglect - describe square in Milan, representation changed depending on where they imagined standing

Question 11

Harvey et al. 2002

Answer 11

Most patients can be categorised as premotor/perceptual, but no consistent categorisation

Question 12

Heilman et al. 1985

Answer 12

Failure to respond/orient to opposite side of the lesion