- Published on
Biological Psychology – Symptoms and Diagnosis of Unipolar Depression
What is required for the diagnosis of a major depressive episode?
Answer:
To diagnose a major depressive episode, an individual must:
What are the two core symptoms of major depressive disorder?
Answer:
At least one of the following two symptoms must be present:
1. Depressed Mood
What additional symptoms are used to diagnose major depression?
Answer:
In addition to one of the two core symptoms, the individual must experience enough additional symptoms to reach a total of five or more symptoms.
These symptoms include:
What are the sleep disturbances associated with major depression?
Answer:
Individuals with major depression may experience either:
What is psychomotor retardation or agitation?
Answer:
Psychomotor Retardation
Can major depression include psychotic symptoms?
Answer:
Yes. In severe cases, major depression may include psychotic features, such as:
Can major depression include catatonia?
Answer:
Yes. Some individuals may develop a catatonic state, characterised by severe disturbances in movement and behaviour.
Catatonia may include:
What conditions are not included in major depressive disorder?
Answer:
Major depressive disorder:
What are the symptoms required for the diagnosis of major depressive disorder?
Answer (Note Form):
Core Symptoms (At least ONE required)
Additional Symptoms
What are the diagnostic criteria for major depressive disorder?
Answer (Note Form):
Conclusion
Major depressive disorder is diagnosed when an individual experiences at least five symptoms for a minimum of two weeks, including at least one core symptom of depressed mood or anhedonia, together with significant distress and impaired functioning. Other symptoms may include changes in appetite and sleep, fatigue, psychomotor changes, poor concentration, excessive guilt, suicidal thoughts, delusions, hallucinations, and catatonia. Although severe depression may present with psychotic or catatonic features, it does not include manic episodes, which are characteristic of bipolar disorder, and it is not considered a personality disorder. Understanding these diagnostic criteria is essential for accurately recognising and diagnosing unipolar depression.
What is required for the diagnosis of a major depressive episode?
Answer:
To diagnose a major depressive episode, an individual must:
- Experience symptoms for at least two weeks.
- Have at least one of the first two core symptoms.
- Present with at least five symptoms in total.
- Experience significant distress.
- Show impaired social, occupational, or daily functioning.
What are the two core symptoms of major depressive disorder?
Answer:
At least one of the following two symptoms must be present:
1. Depressed Mood
- Persistent sadness.
- Feelings of hopelessness.
- Feelings of emptiness.
- Reduced interest in activities.
- Loss of pleasure in activities that were previously enjoyable.
What additional symptoms are used to diagnose major depression?
Answer:
In addition to one of the two core symptoms, the individual must experience enough additional symptoms to reach a total of five or more symptoms.
These symptoms include:
- Changes in appetite and/or weight.
- Sleep disturbances.
- Fatigue or loss of energy.
- Psychomotor retardation or agitation.
- Difficulty concentrating.
- Excessive or inappropriate guilt.
- Extreme negativism.
- Suicidal thoughts, intentions, or suicide attempts.
- Delusions.
- Hallucinations.
- Catatonic state.
What are the sleep disturbances associated with major depression?
Answer:
Individuals with major depression may experience either:
- Hypersomnia – sleeping excessively.
- Insomnia – difficulty falling asleep or staying asleep.
What is psychomotor retardation or agitation?
Answer:
Psychomotor Retardation
- Slow movements.
- Hesitant speech.
- Reduced physical activity.
- Restlessness.
- Inability to remain still.
- Increased purposeless movement.
Can major depression include psychotic symptoms?
Answer:
Yes. In severe cases, major depression may include psychotic features, such as:
- Delusions – false beliefs that are firmly held despite evidence to the contrary.
- Hallucinations – perceiving things that are not actually present.
Can major depression include catatonia?
Answer:
Yes. Some individuals may develop a catatonic state, characterised by severe disturbances in movement and behaviour.
Catatonia may include:
- Immobility.
- Lack of responsiveness.
- Abnormal postures.
- Reduced movement.
What conditions are not included in major depressive disorder?
Answer:
Major depressive disorder:
- Does not include episodes of mania.
- Is not classified as a personality disorder.
What are the symptoms required for the diagnosis of major depressive disorder?
Answer (Note Form):
Core Symptoms (At least ONE required)
- Depressed mood
- Sadness.
- Hopelessness.
- Emptiness.
- Anhedonia
- Loss of interest.
- Reduced pleasure in previously enjoyable activities.
Additional Symptoms
- Changes in appetite.
- Weight gain or weight loss.
- Hypersomnia (sleeping too much).
- Insomnia (difficulty sleeping).
- Fatigue or loss of energy.
- Psychomotor retardation.
- Psychomotor agitation.
- Difficulty concentrating.
- Difficulty making decisions.
- Excessive or inappropriate guilt.
- Extreme negativism.
- Suicidal thoughts.
- Suicide attempts.
- Delusions.
- Hallucinations.
- Catatonic state.
What are the diagnostic criteria for major depressive disorder?
Answer (Note Form):
- Symptoms present for at least 2 weeks.
- At least one of the two core symptoms must be present.
- Five or more symptoms in total.
- Significant distress.
- Social or occupational impairment.
- May include:
- Psychotic features.
- Catatonic features.
- Does not include:
- Mania.
- Personality disorders.
Conclusion
Major depressive disorder is diagnosed when an individual experiences at least five symptoms for a minimum of two weeks, including at least one core symptom of depressed mood or anhedonia, together with significant distress and impaired functioning. Other symptoms may include changes in appetite and sleep, fatigue, psychomotor changes, poor concentration, excessive guilt, suicidal thoughts, delusions, hallucinations, and catatonia. Although severe depression may present with psychotic or catatonic features, it does not include manic episodes, which are characteristic of bipolar disorder, and it is not considered a personality disorder. Understanding these diagnostic criteria is essential for accurately recognising and diagnosing unipolar depression.
0 Comments