Final answer:
The parietal lobe, specifically the right parietal lobe, is most commonly associated with lesions that lead to visual neglect, affecting spatial awareness and attention in the visual field.
Step-by-step explanation:
The areas of the brain typically lesioned in cases of visual neglect are found in the parietal lobe and sometimes the adjacent areas in the occipital lobe and frontal lobe. Visual neglect, also known as hemispatial neglect, is a condition in which a person ignores or is unaware of one side of their visual field, often due to a stroke or brain injury. Specifically, the right parietal lobe is most commonly associated with visual neglect when it is damaged, as it is integral to spatial awareness and attention, with damage leading to a lack of awareness of the left visual field.
The temporal lobe, while not typically associated with visual neglect, is primarily involved in processing and interpreting sounds and has roles in memory formation within the hippocampus. Therefore, while the temporal lobe is indeed crucial to proper brain function, it is not the primary area associated with visual neglect, which is characterized by impairments in spatial attention and awareness rather than auditory processing.