Neurologists trust a simple at-home dementia test which needs just a pen, paper and timer as a early screening tool. Dr Eric ...

Dr Jesus Ramirez-Bermudez, a Mexican neurologist who researches cognitive decline, says the clock-drawing test is an effective method of identifying dementia.

Dementia is a prevalent syndrome affecting more than 55 million people worldwide. Here, a neurologist has shared five simple tests that could help diagnose the condition.