Will the mind always be a mystery? Scientists have discovered that lockdown had a physical as well as a mental effect on young people — but they do not know whether the change is permanent.
Lockdown aged teenagers’ brains, study finds
Unconfined mind: The brain contains over 8,000 neurons, each connected to 10,000 others. Glossary
Cortex - The outer layer of an organ, especially the brain.
Amygdala - An almond-shaped structure in the middle of the brain that is thought to hold some of our oldest instincts, such as the “fight or flight” impulse.
Hippocampus - A ridge of grey matter tissue in the brain associated with memory.
Depression - Low mood that affects someone's daily life, and can last for weeks or months.
Anxiety - A feeling of unease or worry. It can be mild or very severe.
Cognitive - Relating to the processes of thinking and reasoning.
Milky Way - The galaxy that contains our solar system. It has the structure of a disc, but looks to us like a band because we are inside it.
Dementia - A syndrome associated with memory loss and other declining brain functions.