The left or right half of the main part of the brain (the cerebrum). Each hemisphere has an outer layer known as the cerebral cortex (or grey matter), and underlying regions of white matter. The left hemisphere controls and processes signals from the right half of the body; and the right hemisphere controls and processes signals from the left half of the body.
Have you been diagnosed with a brain tumour? Order your free information pack.
- Get support
- Signs & symptoms
- Diagnosis & treatment
- Living with a brain tumour
- Get involved
- Funding for researchers
- About us