Anosognosia

Question 1

Anton’s Syndrome

Answer 1

• Visual processing disorder
  
  • Cortically blind due to bilateral occipital damage
• Anosognosia for cortical blindness

Question 2

Anosodiaphoria

Answer 2

Lack of concern

Question 3

Anosognosia Signs

Answer 3

• Lack of awareness of a deficit
• NOT disorder of attention, motivation, memory
  
  • Presents in Alzheimer’s (mem)
  • Presents in Wernicke’s (language)
  • Presents in hemiplegia (motor)
• Signs
  
  • Nonverbal behaviors (may attempt to walk)
  • Behaviors are inconsistent with pt report (use one hand to clap, insit that they clapped)
  • Confabulation
  • Implicit awareness (deny an ambulation prob, then willingly get into wheelchair)

Question 4

Anosognosia Location

Answer 4

• Right parietal-occipital-temporal area
  
  • R posterior-inferior parietal and posterior temporal
    
    • Including posterior insula
• Disconnection between right posterior and right frontal areas

Question 5

Asomatagnosia

Answer 5

Failure to acknowledge ownership of limb

Question 6

Somatoparaphrenia

Answer 6

Denial of ownership of a limb or another body part

Question 7

Misoplegia

Answer 7

Emotional attributions (hatred) toward a paralyzed limb

Question 8

Personification of paralyzed extremities

Answer 8

Paralyzed extremity has a personality

Question 9

Supernumerary phantom limb

Answer 9

Experience of an extra extremity

Question 10

Possible anosognosia explanations

Answer 10

1. Spatial representational models
2. Models accounting for the role of emotion

Question 11

Primary dyschiria

Answer 11

• Dysfunction of one-half of the body and its representatino of space
• Cardinal syndrome that subsumes unilateral neglect and anosognosia