Answer:
Visual neglect
Step-by-step explanation:
Unilateral lesion to parietal or Temporo-parietal junction might occur in the car accident and the resulting patients present with vision problems,but are not "blind" , rather they fail to apprehend (and interact appropriately with) stimuli in the contralesional field (failure to acknowledge objects in the field contralateral to the lesion) .Thats why the person shaves only the left side of face due to right parietal lobe damage.
Shaun was in a car accident, and the doctors detected some damage to his right parietal lobe. Since the accident, Shaun only shaves the left side of his face. Based on his injuries and his behavior, you might conclude that Shaun has visual neglect.