| Site | Signs and symptoms |
|---|
| Middle cerebral artery | - Aphasia
- Dysphasia
- Dyslexia
- Dysgraphia
- Visual field cuts
- Hemiparesis on affected side; more severe in face and arm than in leg
|
| Internal carotid artery | - Headache
- Weakness
- Paralysis
- Numbness
- Sensory changes
- Intermittent loss of vision in the eye on affected side
- Altered level of consciousness
- Bruits over the carotid artery
- Aphasia
- Dysphagia
- Ptosis
|
| Posterior cerebral artery | - Visual field cuts
- Sensory impairment
- Dyslexia
- Coma
- Blindness from ischemia in occipital area
|
| Anterior cerebral artery | - Confusion
- Weakness
- Numbness on affected side (especially in arm)
- Paralysis of contralateral foot and leg
- Incontinence
- Poor coordination
- Impaired motor and sensory function
- Personality changes, such as flat affect and distractibility
|
| Vertebral or basilar artery | - Mouth and lip numbness
- Dizziness
- Weakness on affected side
- Visual deficits, such as color blindness, lack of depth perception, and diplopia
- Poor coordination
- Dysphagia
- Slurred speech
- Amnesia
- Ataxia
|