Final answer:Therapy aids in depression treatment through both psychological and biomedical approaches. Cognitive-behavioral therapy helps by changing negative thought patterns, while medications can alter the chemical balance in the brain to lift mood and alleviate depressive symptoms. In severe cases, electroconvulsive therapy may be utilized.Explanation:Therapy plays a critical role in thetreatment of depression. The most common forms of therapy used in depression treatment include psychotherapy, such as cognitive-behavioral therapy (CBT), and biomedical therapy such as medication and electroconvulsive therapy.Cognitive-behavioral therapy(CBT) helps patients reframe negative thinking patterns into more positive ones, affecting how they behave in daily situations. This type of therapy has been found effective in treating numerous psychological disorders, including depression.Biomedically, medications like monoamine oxidase inhibitors (MAO inhibitors) and selective serotonin reuptake inhibitors (SSRIs) help by blocking the reabsorption of neurotransmitters in the brain, leading to increased levels of serotonin or other neurotransmitters. This ultimately affects one's mood and feelings.In severe depression cases where medications have been ineffective, electroconvulsive therapy (ECT) may be used as a last resort. This treatment uses electrical current to induce seizures, which has shown to help alleviate severe depression symptoms, albeit the mechanism is not fully understood yet.Learn more about depression treatment here:brainly.com/question/33714908#SPJ2...

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