A clarinet player gave a fantastic performance as doctors sent electrical currents into her brain to help alleviate her Parkinson’s disease symptoms.

Denise Bacon, 65, from Crowborough in East Sussex, experienced instant improvement in her finger movements as the electrical current was delivered to her brain.

The retired speech and language therapist underwent deep-brain stimulation (DBS) after suffering symptoms of Parkinson’s, including slowness of movement and muscle stiffness.

She was diagnosed with the disease in 2014, and it has affected her ability to walk, swim, dance and play her clarinet.

During a four-hour operation at King’s College Hospital, Keyoumars Ashkan, a professor of neurosurgery, performed DBS to help relieve symptoms while Bacon stayed awake. DBS is a surgical pro

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