Depression is a state of low mood and loss of interest that affects thoughts, feelings, and physical health. It is characterized by feelings of sadness, anxiety, guilt, and fatigue. Depression is a common disorder that affects about 15% of the population. It has various causes such as genetic factors, neurotransmitter imbalances, life stressors, and lack of social support. Treatments include antidepressant medication, psychotherapy, and physical therapies like electroconvulsive therapy. Preventing depression involves managing stress, getting social support, and maintaining a healthy lifestyle.

1. DEPRESSION
Deva Pramod V B
M.Sc. Psychology
Department of Psychology
Bharathiar University, India
vbdevan.psy@gmail.com
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2. DEPRESSION
• Depression is a state of low mood and aversion to activity that can
affect a person's thoughts, behaviour, feelings and physical well-being.
• It may include feelings of sadness, anxiety, emptiness, hopelessness,
worthlessness, guilt, irritability, or restlessness.
• Depressed people may lose interest in activities that once were
pleasurable, or suffer cognitive impairments (e.g., difficulty
concentrating, remembering details, making decisions).
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3. The key features of the depressive disorders are:
• Low mood;
• Reduced energy
• Loss of interest or enjoyment.
Other common symptoms include poor concentration,reduced self-confidence,
guilty thoughts, pessimism, ideas of self-harm or suicide, disturbed sleep and
altered Appetite.
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4. • Depression is a common disorder with serious personal, interpersonal and societal
consequences, affecting about 15% of the general population and accounting for
approximately 10% of consultations in primary care.
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5. ICD 10 – Diagnostic criteria for Depressive
episode
The individual usually suffers from:
Depressed mode
Loss of interest & enjoyment.
Reduced energy leading to increased fatigability and diminished
activity.
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6. Marked tiredness after only slight effort.
Other common symptoms are:
 Reduced concentration & attention.
 Reduced self-esteem and self confidence.
 Ideas of guilt & unworthiness
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7.  Bleak & pessimistic views of the future.
 Ideas or acts of self harm or suicide.
 Disturbed sleep or diminished appetite.
 Duration – At least 2 weeks.
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8. DSM IV Criteria for major Depressive episode
 Dysphoric Mood or loss of interest or pleasure in all or
almost all usual activities and pastimes.
At least 4 of the following symptoms present nearly
everyday for a period of at least 2 weeks:
I. Poor appetite or significant weight loss or increased appetite or significant
weight gain.
II. Insomnia or hypersomnia.
III. Psycho-motor agitation or retardation.
IV. Decrease in sexual drive.
V. Loss of energy; fatigue
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9. TYPES OF DEPRESSION
• Major or clinical depression
• Persistent depressive disorder
• Postpartum depression
• Dysthymia (Dysthymic Disorder)
• Mixed Anxiety and Depressive Disorder
• Seasonal Affective Disorder (SAD)
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10. • Bipolar disorder
• Premenstrual dysphoric disorder
• Psychotic depression
• Depression and Anxiety after Bereavement
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11. CAUSAL FACTORS
Molecular genetic studies
Genetic factors;
Neurotransmitter disturbances; and
Psychosocial factors:
• adverse experiences in childhood;
• chronic major difficulties;
• undesirable life events;
• limited social network; and
• low self-esteem.
Social Factors
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12. 1. Separation from loved ones
2. Death
3. Loss of money, status, health, materials, power, position, property.
4. Failure in examination, in achieving the objectives or goals, failure to
compete the work or task assigned.
5. Comments, criticisms, ill-treatment, hostility from others.
6. Poverty, unemployment of under-employment
7. Needs & expectations not fulfilled.
8. Injustice, deprivation, being deceived by others
9. Stigmatizing, life-threatening, disabling illness
10. Non-recognition.
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13. Scientific research Causes
Genetic inheritance: Identical twins run more risks than non-identical twins
(about 65%).
Changes in the brain
- Changes in the neuro endocrine or hormone system.
- Changes in the neuro-transmitters in the brain.
- Changes in the electrical activity in the brain.
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14. Signs of Depression
• Drastic change of appetite
• Sudden change in sleeping patterns.
• Suddenly loses interest in things and activities
• energy loss and presence of fatigue
• Feeling of Worthlessness
• losing hope
• becomes indecisive
• suicidal.
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15. • experiences melancholia.
• mentally disturbed
• physical aches
• Feeling of "My life is passing by“
• becomes antisocial.
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16. Suicide
Factors associated with increased suicide risk after acts of deliberate self-harm
include:
• act of deliberate self-harm planned long in advance;
• suicide note written;
• acts taken in anticipation of death (e.g. writing a will);
• being alone at the time of deliberate self-harm;
• patient making attempts to avoid discovery;
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17. • not seeking help after deliberate self-harm;
• stating a wish to die;
• believing the act of deliberate self-harm would prove fatal;
• being sorry the act of deliberate self-harm failed;
• continuing suicidal intent.
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18. Other risk
factors for suicide include:
• older age;
• male gender;
• single status;
• personality disorder;
• history of aggression;
• suicidal thoughts;
• social isolation;
• physical illness;
• alcohol abuse; and
• recent suicide attempt
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19. SUICIDE AND BEREAVEMENT
• Increased risk of suicidal gestures
• Following the death of a spouse or a parent
• The suicide risk for those widowed was first observed high
• Recent studies found that suicide was higher amongst those
widowed compared to those married.
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20. Alcohol and Depression
Alcohol, like the many other drugs that influence brain function, acts as a
tranquilizer.
If you are drinking alcohol regularly, you find that your present number of drinks
has lesser and lesser effect.
In order for you to achieve the effect you want, you tend to drink more. This
effect is called the "tolerance effect" and has a powerful outcome in becoming
an alcohol addict.
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21. Alcohol and depression: The Link
It tends to work in two types
• If you drink in excess, and often too regularly, you are likely more to be more depressed.
• If you take alcohol in relieving problems of depression or anxiety, you become more depressed
and problematic later
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22. Treatment
Antidepressant
Drugs
Physical
Treatments
Psychologic
Therapies
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23. Antidepressant drugs
Antidepressant would fulfil a range of criteria including :
• be effective across a range of depressive disorders;
• be effective in short-term and long-term treatments;
• be effective across a range of age groups;
• have a rapid onset of action;
• involve once-daily dosage;
• be cost-effective;
• be well tolerated;
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24. Physical treatments
• Electroconvulsive therapy (ECT)
• Sleep Deprivation
• Light Treatment (Phototherapy)
• Transcranial Magnetic Stimulation
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25. Psychologic Therapies
• Cognitive – Behavior Therapy (CBT)
• Problem-Solving Treatment
• Interpersonal therapy (IPT)
• Non-Directive Counselling
• Bereavement Counselling
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26. Natural Treatment for Depression
• It Starts with the Diet
• Some Very Useful Herbs
• Cut Back on Those Soft Drinks
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27. Avoid Depression in a Few Easy Steps
• Controlling Stress
• Avoid Drinking and Drug Use
• Have adequate Sleep
• Seek emotional support from family and friends
• Focus on positive aspects of your life
• Pace yourself, modify your schedule, and set realistic goals
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28. Few ways on how to prevent depression
• Sleep is an integral part of preventing depression
• Balance your life with enough rest and exercise everyday
• Try to keep some regularity in your life
• Sunlight and exercise can help the brain to function a higher level
• Make at least one warm meal daily a priority
• Have some fun every day.
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29. Intervening with a Depressed person
• Be empathetic and understanding
• Don’t try to “cheer up” a depressed person
• Avoid critical or shaming statements
• Challenge expressions of hopelessness
• Empathize with feelings of sadness, grief, anger and frustration
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30. Helping a
Depressed Person
• Don’t argue about how bad things are
• Don’t insist that depression or sadness are the wrong feelings to be
experiencing
• Don’t become angry even though your efforts may be resisted or rejected
• Advocate for their recovery from depression
• Emphasize that depression is treatable
• Seek consultation
• Encourage them to seek help, go with them to the counseling center
• Be supportive of counselor or doctor suggestions
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31. Conclusion
Depression is a mental disorder that is pervasive in the world and
affects us all. Unlike many large scale international problems, a
solution for depression is at hand.
Cost-effective treatments are available to improve the health and the
lives of the millions of people around the world suffering from
depression.
On an individual, community, and national level, it is time to educate
ourselves about depression and support those who are suffering from
this mental disorder.
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32. Keywords
• Depression
• Major or clinical
depression
• Persistent depressive
disorder
• Postpartum depression
• Dysthymia (Dysthymic
Disorder)
• Mixed Anxiety and
Depressive Disorder
• Seasonal Affective
Disorder (SAD)
• Bipolar disorder
• Premenstrual dysphoric
disorder
• Psychotic depression
• Depression and Anxiety
after Bereavement
• Molecular genetic
studies
• Genetic factors;
• Psychosocial factors:
• Neurotransmitter
disturbances
• Social Factors
• Suicide
• Bereavement
• Antidepressant Drugs
• Physical Treatments
• Psychologic Therapies
• Cognitive – Behavior
Therapy (CBT)
• Problem-Solving
Treatment
• Interpersonal therapy
(IPT)
• Non-Directive
Counselling
• Electroconvulsive
therapy (ECT)
• Sleep Deprivation
• Light Treatment
(Phototherapy)
• Transcranial Magnetic
Stimulation
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33. References
• David S. Baldwin & Jon Birtwistle (2002), An Atlas of DEPRESSION, The
Parthenon Publishing Group. London
• Niraj Ahuja (2011),A Short Textbook Of Psychiatry 7th ed. Jaypee Brothers
Medical Publishers Pvt Ltd.
• Kaplan, H.I. & Sadock, B.J. (2007). Synopsis of Psychiatry – Behavioral
Sciences/Clinical Psychiatry. (10th Edn). NY: Williams & Wilkins.
• Diagnostic and Statistical Manual for Mental Disorders (DSM-V). Fifth Edition,
Washington DC, the Division of Publications and Marketing, American
Psychiatrist Association.
• ICD-10. (2007). The ICD-10 Classification of Mental and Behavioral Disorders:
Clinical Descriptions and Diagnostic Guidelines, Geneva, World Health
Organization, AITBS Publishers in India.
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34. Thank You
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