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Int J Neurosci. 2006 Aug;116(8):895-906.

Memory improvement with treatment of hypothyroidism.

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Department of Psychiatry and Biobehavioral Sciences, UCLA NPI-H, Los Angeles, California, USA.


The consequences of inadequate thyroid hormone availability to the brain and treatment effects of levothyroxine on cognitive function are still poorly understood. This study prospectively assessed the effects of thyroid replacement therapy on cognitive function in patients suffering from biochemical evidenced, untreated hypothyroidism. Significant effects between the untreated hypothyroid group and control group were limited to verbal memory retrieval. When assessing the effects of 3-month treatment, results revealed that the treated hypothyroid group had significant increased verbal memory retrieval. Results suggest that specific memory retrieval deficits associated with hypothyroidism can resolve after replacement therapy with levothyroxine.

[Indexed for MEDLINE]

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