Genetic Theory of OCD

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RA Lomax

Nueva Zelanda

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1	Julie Struthers 27 de Abril de 2026	% 100	06:35

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Completar Frases Genetic Theory of OCDVersión en línea Drag the missing words into their correct places. por RA Lomax 1 Obsessive - Compulsive Disorder ( OCD ) has a component , meaning that genes can increase the of developing the disorder . OCD is , involving multiple rather than a single cause . Two key genes linked to OCD are and SERT , which affect brain that behaviour , mood , and . 2 The COMT gene produces an that breaks down , a neurotransmitter involved in - making , self - control , and . Variations in COMT , such as the variant , can up or slow down dopamine , altering the activity of overactive circuits called circuits , which are implicated in OCD . 3 The SERT gene regulates , a neurotransmitter affecting and behaviour . Its 5 - HTTLPR comes in short ( S ) and long ( L ) forms , which how much serotonin remains in the brain . These differences may OCD risk , as evidenced by the effectiveness of , which increase serotonin levels to reduce . 4 can run in due to variations in multiple . Changes in and serotonin caused by and SERT variants can make brain circuits , contributing to OCD and shaping both and mood .