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What is the biological explanation of depression IB psychology?
Low levels of serotonin make it more difficult for signals to be passed from one neuron to the next, slowing down the flow of brain activity. This results in the tell-tale signs of depression – such as low energy, lack of enjoyment of life, and feelings of sadness.
What are the explanations of depression in psychology?
→ What is the cognitive approach to explaining depression? The cognitive approach suggests that depression is caused by negative thought patterns and beliefs. According to this theory, people with depression have a tendency to interpret events in a negative way, leading to a spiral of negative thoughts and feelings.
What are the biological facts about depression?
Biological – People with depression may have too little or too much of certain brain chemicals called neurotransmitters. Changes in these brain chemicals may cause or contribute to depression . Cognitive – People with negative thinking patterns and low self-esteem are more likely to develop clinical depression .
What is the biological function of depression?
It has been hypothesized that depression is an evolutionary adaptation because it helps prevent infection in both the affected individual and his/her kin. First, the associated symptoms of depression, such as inactivity and lethargy, encourage the affected individual to rest.
What are the biological explanation for mental disorders?
What Biological Factors Are Involved in Mental Illness? Some mental illnesses have been linked to abnormal functioning of nerve cell circuits or pathways that connect particular brain regions. Nerve cells within these brain circuits communicate through chemicals called neurotransmitters.
How does biological psychology explain mental health?
The biological perspective views psychological disorders as linked to biological phenomena, such as genetic factors, chemical imbalances, and brain abnormalities; it has gained considerable attention and acceptance in recent decades (Wyatt & Midkiff, 2006).
What is an example of biological depression?
The impact of biological factors seems to be more prominent in major depressive syndrome, where typical symptoms and signs such as decrease in weight, changes in libido, dysmenorrhea, and sleeping disorders cannot be explained on psychodynamic grounds alone.
What exactly cause depression?
There’s no single cause of depression. It can occur for a variety of reasons and it has many different triggers. For some people, an upsetting or stressful life event, such as bereavement, divorce, illness, redundancy and job or money worries, can be the cause. Different causes can often combine to trigger depression.