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Hallucination Vs Delusion

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Hallucination and delusion are psychiatric and neurological disorders that cause unwanted fear and unrealistic imaginations. Read the article to know more.

Medically reviewed by

Paratwar Nayana Kapil

Published At October 3, 2023
Reviewed AtOctober 3, 2023

Introduction

Emotions play a major role in human life. These emotions can be expressed in various forms, like fear, anxiety, stress, laughter, and joy. Generally, situations play a major factor in conveying an individual's emotions. Fear is a common emotion expressed by most individuals in different aspects of life. Fear could affect the self-confidence and boldness of an individual. The spirit to fight fear is important to overcome various hurdles in life.

Although fear can be overcome in most cases, some people may require additional help to deal with it. Fear could also be a result of delusion or hallucination. Hallucination and delusions are symptoms of neurological or psychiatric disorders but are not a disease of their own. For example, an individual must exhibit certain forms of delusion to be diagnosed with a specific psychiatric disorder like schizophrenia.

What Is Hallucination?

Hallucination is the perceptual experience of objects around an individual. It is caused due to chemical reactions and abnormalities in the brain. Although hallucinations seem real, they are usually imaginary sounds or visuals. It is a symptom of psychosis-related disorder and may also result from substance use and neurological condition.

Some of the common conditions causing hallucinations are listed below

  • Schizophrenia (a mental disorder in which people perceive reality in an abnormal way).

  • Bipolar disorder.

  • Depression.

  • Substance abuse.

  • Sleep deprivation.

  • Parkinson’s disease.

  • Dementia.

What Are the Symptoms of Hallucination?

The symptoms of hallucinations may vary from one person to another. A few symptoms are associated with hallucination.

  • If an individual visualizes people, objects, animals, or things that are not actually present, it is called visual hallucination.

  • Listening to sounds or voices that are not actually present is called auditory hallucinations. These voices could be hostile or friendly.

  • If individuals feel bugs crawling on the skin or a sense of touching is called tactile hallucination.

  • Smelling things that are unusual, like smoke or foul odor, is called olfactory hallucination.

What Is Delusion?

Delusions are beliefs that are typically maintained in the face of contradictory evidence. Delusions can be a symptom of psychiatric or neurological disorders. Delusions could be in different forms like

  • Paranoid Delusion - In this type, an individual may believe one is being monitored or conspired by a specific person.

  • Somatic Delusions - It is a belief that one is physically ill or is not supported by medical evidence.

  • Grandiose Delusions - These refer to exceptional abilities, knowledge, and understanding that exceeds reality.

  • Spiritual Delusions - It occurs when an individual believes they are given a higher power for a divine mission.

Delusions influence the life of an individual and can interfere with social relationships and work performance. The treatment for this condition may involve a variety of aspects.

What Are the Symptoms of Delusion?

Delusions are false beliefs that may not be based on reality and can often be resistant to changes. The symptoms of delusion can be specific to each and every individual. A few common signs and symptoms are listed below.

  • Beliefs that are not based on any factual evidence.

  • Irritation or unusual behavior.

  • Difficulty in distinguishing reality and delusion.

  • Disorganized thinking and speech.

  • Paranoid beliefs and thoughts.

  • Emotional reactions are irrelevant to the situation or circumstance.

What Are the Types of Delusional Disorder?

A few examples of delusional disorders are mentioned below:

  • In persecutory delusion, there is a constant fear of being stalked or harassed by other individuals or organizations. As a result, the individual may exhibit violent behavior.

  • In grandeur delusion, the person tends to believe they are influential and are convinced to exhibit excellent talent.

  • Jealousy is a type of delusion where the partner may have trust issues and delusional beliefs about their spouse being unfaithful. It is also known as morbid jealousy.

  • In bizarre delusion, an individual may have bizarre delusions like an alien invasion.

What Is the Difference Between Hallucination and Delusion?

Hallucination and delusion are different types of neurological disorders. In hallucination, an individual perceives things that are not present in the environment. For instance, schizophrenia patients may believe that they are being followed by aliens, even though there is no evidence to support their belief. Hallucinations are general perceptions of things that are unreal and can occur in the form of either visual or auditory stimuli. Sometimes hallucinations could also be tactile.

Similar to hallucinations, delusions are closely related, and it may be difficult to distinguish them at times. After running a series of tests, the physician may conclude the diagnosis. The major difference between hallucination and delusion is that the primary involves a sensory experience, and the latter involves a cognitive belief.

How to Diagnose Hallucination and Delusion?

  • In order to evaluate hallucinations or delusions, a mental health professional may conduct a comprehensive evaluation. During the evaluation, any underlying physical conditions may be ruled out.

  • A mental evaluation is also done to assess the overall mental health and determine mental health disorders.

  • A diagnosis of a mental disorder may be required to determine the mental health of the patient.

  • Family history is also evaluated to know about mental health disorders and determine genetic predisposition.

  • Both hallucinations and delusions will be determined to understand the experiences undergone by the patient.

The evaluation process varies depending on the individual and the symptoms experienced by them. It is crucial to seek professional healthcare to overcome the condition and minimize the symptoms.

How to Treat Hallucinations and Delusion?

The treatment includes antipsychotic drugs to manage hallucinations and delusions. The drugs reduce the intensity and frequency of the symptoms and experiences. It may help the well-being of the individual. Psychotherapy may also help minimize the symptoms of hallucinations. This is achieved by incorporating cognitive behavioral therapy and psychoeducation to help cope with symptoms and learn new strategies.

Admitting patients with severe conditions is recommended to avoid physical injury. A supportive service can also help manage and rehabilitate the services and help improve the overall quality of life. The treatment and recovery process depends on the individual’s condition and the severity of the disease.

Conclusion

Hallucinations and delusions can be temporary or permanent, depending on the underlying cause, which may be neurological or psychological. Both conditions could occur separately or may co-occur and be related. The treatment involves medication, supportive care, and psychotherapy. Diagnosing the condition promptly can help with dealing with the symptoms and overcoming temporary situations. It is crucial to monitor the patient regularly to prevent any relapse or worsening of the condition, which can have serious consequences. Motivation and encouragement could be useful to deal with the condition eventually.

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Paratwar Nayana Kapil
Paratwar Nayana Kapil

Psychologist/ Counselor

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