Understanding Schizophrenia: Why Accurate Diagnosis Matters

Psychologists must be cautious when naming a disorder for a client. Several mental health conditions share overlapping traits, which can increase the risk of misdiagnosis. An inaccurate diagnosis can lead to ineffective treatment, so it is essential that clinicians take the time to assess symptoms thoroughly. Our primary responsibility is to ensure that every client receives the highest quality care possible.

Schizophrenia is one disorder that requires especially careful evaluation because its scope is broad and its symptoms vary widely. According to the DSM‑5, schizophrenia can present with several types of delusions. A delusion is defined as a fixed belief that does not change even when conflicting evidence is presented (DSM‑5, p. 293). Common types include:

• Persecutory delusions — believing someone intends to harm you.
• Referential delusions — believing that gestures, comments, or cues are directed specifically at you.
• Grandiose delusions — believing you possess exceptional abilities, wealth, or fame.
• Erotomanic delusions — believing someone, often a stranger or public figure, is in love with you.
• Nihilistic delusions — believing a major catastrophe is imminent without evidence.
• Somatic delusions — believing something is wrong with your body or that your organs are failing.

These beliefs can significantly disrupt daily functioning and may place individuals at risk of harming themselves or others.

Another hallmark symptom of schizophrenia is hallucinations, most commonly auditory. Individuals may hear voices—often familiar ones—that others cannot hear. Distorted thinking may also occur, sometimes appearing as speech that is difficult for others to understand. Behavior may shift dramatically, ranging from childlike actions to periods of catatonia.

Negative symptoms are also important to recognize. These may include:

• Reduced emotional expression
• A noticeable decrease in motivation or joy
• Social withdrawal
• Limited facial expressions or a flat affect

Because schizophrenia can manifest in so many ways, clinicians rely on structured assessments and symptom checklists to ensure accuracy. A comprehensive evaluation helps prevent misdiagnosis and supports the development of an effective treatment plan.

Jennifer Hauser, Undergrad 2026

References
 American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). https://doi.org/10.1176/appi.books.9780890425596

If you notice any of these symptoms in yourself or a loved one, consider reaching out to a therapist. The clinicians at Olive Branch Counseling Associates, LLC are available to support you. We are located at 6819 W 167th St., Tinley Park, Illinois, and can be reached at 708‑633‑8000.