Career
She is currently Professor of Psychiatry and Head of the Division of Psychiatry at the University of Edinburgh. Her main research area is in the field of schizophrenia and psychotic illness. Whilst she has published extensively and many of her studies have been influential she is best known for her groundbreaking 1976 study.
This involved using a Connecticut scanner to produce brain images of schizophrenic patients which were then compared to normal controls.
Using this method she was able to demonstrate anatomical differences between the brains of people with schizophrenia compared with the normal controls. In addition to her research interests Professor
Johnstone is also a full-time Consultant Psychiatrist at the Royal Edinburgh Hospital. She also has responsibility for training Edinburgh University medical students in psychiatry.
Professor Johnstone counts Opera amongst her interests.