8. Neglect Flashcards
What is reverse engineering? (ccc neglect)
Removing a specific function of the brain and analysing behaviour after
What does transcranial magnetic stimulation allow us to do? (ccc neglect)
Temporarily disrupt parts of peoples brains
How did Heilman et al (1985) define neglect? (ccc neglect)
The failure to report, respond or orientate novel or meaningful contralesional stimuli
What are the common characteristics of neglect? (ccc neglect)
- Eating off one half of the plate
- Reading one half of the page
- Unaware of own difficulties
What is the most common cause of neglect? (ccc neglect)
Stroke to the right side of the brain
What lobe is most associated with neglect? (ccc neglect)
Parietal lobe
In what ways can neglect be tested? (ccc neglect)
- Line bisection
- Picture copying
- Cancellation task
How is a line bisection task performed? (ccc neglect)
Mark the midpoint on the lines presented
How is a picture copying task performed? (ccc neglect)
Draw a picture they have in front of them
How is a cancellation task performed? (ccc neglect)
Circle all the same letters
How do neglect patients recover and after how long? (ccc neglect)
spontaneously and after a few weeks
What are the two ways neglect to the left hand side are presented? (ccc neglect)
- Egocentric (left of oneself)
- Object entered reference frames (left of the object)
What do many objects have and what does it mean? (ccc neglect)
An intrinsic axis (dominant axis)
What is extinction? (ccc neglect)
A mild form of neglect that only occurs when two or more objects are presented at one time and the right side almost cancels out the left side
What is an example of a non-spacial defect patient with neglect would have? (ccc neglect)
Poor working memory
