Influence of thyroid dysfunction on cognitive function in the elderly

Thyroid dysfunction is common in the elderly.Besides physical impairment,it also leads to cognitive deficits in attention,memory and mood.Several studies have explored the association between thyroid status and cognitive function in animal experiment,neuroelectrophysiology and brain imaging.In addition,serious cognitive impairment caused by thyroid dysfunction confuses easily with Alzheimer's disease in clinical practice.Therefore,medical staff should pay more attention to avoid misdiagnosis.Restoring the thyroid dysfunction promptly and rationally may contribute to cognitive function recovery in the elderly. Key words: Thyroid gland function ;  Thyroid hormone ;  Cognition ;  Elderly