Flat affect is a severely restricted or nonexistent expression of emotion.

A person with flat affect does not express emotion the way other people do.

This can impact daily interactions, social functioning, and interpersonal relationships.

Person looking out of window with blank expression

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Someone with flat effect has no emotional response, while someone with blunted affect has a reduced emotional response.

to get to patch up the flat affect, its important to know the underlying cause.

How common is flat affect in schizophrenia?

Flat and blunted affect are considered hallmark symptoms of schizophrenia.

It is estimated that around one third of people with schizophrenia have some degree of blunted affect.

What Medications Can Cause Flat Affect?

Antidepressants can cause flat affect or emotional blunting in some people.

Antipsychoticmedications can also cause flat affect, although studies have been mixed.

How to Treat Flat Affect

Treatment for flat affect will typically depend on the underlying cause.

Therapy, medication, or changing medications can be part of that treatment.

What does constricted affect look like?

Though none of that may be true, people may misinterpret flat affect and react in a negative way.

Are There Tests to Diagnose Flat Affect?

Flat affect is observable when interacting with a person with this symptom.

For example, a healthcare provider will be able to notice it during an appointment.

There is no specific test to evaluate flat affect.

Apsychologistorpsychiatristwill note a persons affect as part of a clinical encounter or interview.

A persons affect can give a healthcare provider clues or insight into possible diagnoses to explore.

When to See a Healthcare Provider

Flat affect is generally a symptom of a larger condition.

Summary

Flat affect is a symptom in which a person experiences emotional flattening or blunting.

The person does not express emotion as other people do.

It is not a condition but a symptom of another condition, such asschizophrenia,Parkinsons disease, ordepression.

A mental health provider or other healthcare provider can often discern flat affect during a clinical encounter.

Various tests will be done depending on what they suspect as the underlying cause.

Treating the underlying cause can help.

Therapy may help the person recognize emotions and develop emotional responses.

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