Motor Neglect

Question 1

Define Directional Hypokinesia

Answer 1

impaired movements of ipsilesional limb towards contralateral side.

Question 2

Define Motor neglect

Answer 2

Reduced spontaneous use of contralesional limb, disproportionate to amount of damage.

Question 3

Give Directional hypokinesia studies

Answer 3

Heilman 1985 - pulley task
Mattingley 1992 - response box always left but up or down
Hussain et al. 2000 fixation box with varied start positions

Question 4

Give research in to allochiria

Answer 4

Coulthard 2008 - fixation screen, subliminal cue. healthy showed IOR, stroke did not, cited an inability to inhibit partially activated motor plan evoked by the prime.

Question 5

Give research into motor extinction.

Answer 5

Punt et al 2005 - velocity time curves for unilateral and bilateral tasks.

Question 6

define anosognosia

Answer 6

unawareness of impairment

Question 7

explain Garbarini et al 2002

Answer 7

3 groups, control, hemiplegia, hemiplegia + anosognosia. in RH draw vertical lines, then imagine drawing circle with left hand (controls actually did) results showed anosogniosa patients had distortion of control, showing that they are creating a motor plan for LHS.