Depression is a disorder that affects the mental and emotional state of a person. A decreased positive reinforcer is described in psychodynamic theory.
The theory that includes the past experiences of a person to treat the present situation is called a psychodynamic theory. The theory was given and explained by Freud that stated that biological factors are the main reason for depression.
The changes in the environment and surroundings leading to depression are explained in the behavioral theory while, a person's views, events, and attitudes leading to depression are defined in the cognitive theory.
The humanistic depression theory defines the potential to be one of the reasons for depression and mental disorders as they decrease the self-esteem and confidence of a person.
Therefore, option a. psychodynamic theory describes positive reinforcer as a casue of depression.
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