Professor Peter Nestor is a clinician-researcher interested in memory and cognition. As a doctor, he diagnoses people living with neurodegenerative diseases, such as Alzheimer's. By studying patients, he hopes to enhance our understanding of the brain areas most vulnerable to neurodegeneration to improve diagnosis and therapies.

In this fascinating conversation, Peter delves into:

• Why we don't remember every moment of our lives
• The difference between episodic and semantic memory
• What factors make us remember things 
• How our memory changes as we age
• Why it's important to enjoy every day