How to Identify Schizoid Personality Disorder

Co-authored by Trudi Griffin, LPC, MS

Last Updated: July 9, 2024 Approved

Schizoid personality disorder (schizoid PD) is a cluster A personality disorder characterized by odd or eccentric social behavior that is consistent across a wide range of relationships and situations. Most people who suffer from it are high functioning and thus unaware of any impairment. However, the lack of interest in and ability to maintain interpersonal relationships can become increasingly distressful without treatment. ^{[1]
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Research source} Knowing the signs and symptoms of schizoid PD can help you identify this disorder in yourself or those you care about.

Method 1

Method 1 of 3:

Identifying Symptomatic Behavior

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1
Look for a pronounced preference to work alone. People with schizoid personality disorder tend to prefer solitary work. They often choose mechanical or technical fields, like math or computer programming, which can be performed individually.
- They are typically “followers,” and shy away from leadership roles.
- Common careers include lab or library work and nighttime jobs, like security. ^{[2]
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2
Identify a strong lack of motivation. One of the symptoms of schizoid PD is a lack of desire to make or achieve goals. People with this disorder may underperform at school or work. They may be simply going through the mechanics of doing a job or assignment without any clear expectations about the outcome or their own performance.
- They are overwhelmingly indifferent to both criticism of their work and praise for a job well done. ^{[3]
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- They rarely exhibit an effort to get promoted or perform better than others.
- Most are considered highly functional since they are able to keep a job, but do not excel in their fields of study/work.
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3
Observe a tendency for excessive fantasizing. Those with this disorder often construct complex fantasy lives in their minds and spend a great deal of time daydreaming. However, they know the difference between this fantasy life and their real life.
- Such daydreaming likely affects work production and contributes to underperforming.
4
Assess the person’s recreational activities. People with this disorder might spend all of their free time engaged in activities they can do alone, like playing computer games or building models. They may also do things alone that most people do in groups or pairs, like go to the movies or a sports game.
- They typically avoid group activities like sports or social/professional clubs.
- If they are on a team, they avoid leadership roles and may choose tasks that can be completed or played without assistance.
5
Establish a general lack of affect. People with schizoid PD typically do not express emotions under any circumstances and often don’t seem to have any strong opinions on any topic. They are often described as dull, or superficial.
- They seem indifferent even in situations where it is inappropriate, such as emergencies or tragedies, or events that most people would be happy about, like the birth of a new family member.
- They do not respond to emotional expression by others, and may not even recognize such feelings since they do not experience them personally.
6
Assess a persistent lack of ability to blend in socially. People with schizoid PD are often described as "odd" or "different" because they do not respond to normal social cues, like emotive statements or loaded political issues, like the majority of people. They have difficulty relating to others in everyday situations and therefore may be extremely reserved. ^{[4]
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- Their personality differences are often expressed as “eccentric” because responses are inconsistent with normal social behavior, but not usually completely unrelated.
7
Consider the person's age when assessing symptoms. Adults are more likely to be diagnosed with schizoid personality disorder because their symptoms will be well-established. However, a child or teen may be diagnosed if the symptoms have lasted for more than one year. ^{[5]
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- Also, keep in mind that even though schizoid personality disorder can affect men and women, men are more frequently diagnosed with schizoid personality disorder than women.

Method 2

Method 2 of 3:

Assessing Interpersonal Relationships

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1
Evaluate the person’s friendships. People with schizoid PD generally have few, if any, friends and don’t seek out friendships. Any friendships they do have are mostly superficial, lacking any emotional connection.
- Generally, people with this disorder show no interest in making friends or engaging in close relationships.
- Competing theories suggest some people with schizoid PD may desire close relationships, but find it easier to be alone than try to fit social expectations.
2
Note an avoidance of romantic relationships. People with this disorder usually don’t date exclusively, if at all. They rarely marry and show no interest in sharing their life with others. ^{[6]
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- They almost always either live alone or continue living with their parents into adulthood. ^{[7]
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- They show little to no interest in sexual relationships, and do not gain satisfaction from them. ^{[8]
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People with schizoid personality disorder do not develop close relationships even with family, except perhaps for first-degree relatives. ^{[9]
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Research source} Even these connections are typically structural and not emotionally contingent.

Method 3

Method 3 of 3:

Distinguishing from Other Disorders

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1
Identify a firm grasp on reality. Unlike schizophrenia and schizotypal personality disorder , those with schizoid personality disorder do not experience hallucinations or unusual paranoia. ^{[10]
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- While those with schizoid PD tend to have elaborate fantasy lives and daydream about them, they are fully aware that these are fantasies.
- Fantasy lives and real lives do not blend into each other like they do for those with more severe forms of schizophrenia.
2
Identify an ability to carry on a logical conversation. While people with schizoid PD tend to speak flatly, with a complete lack of emotional expression, they are able to carry on a conversation that others can follow, whereas schizophrenics are not. ^{[11]
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- Being quiet is a possible sign of schizoid PD, but erratic or dissociative speech may denote a more severe form of schizophrenia.
- “Eccentric” behavior is defined as slightly odd or uncommon, often in a humorous manner. ^{[12]
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- Schizophrenic speech is illogical and statements may be difficult to understand. ^{[13]
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- This can somewhat help distinguish schizoid PD from autism . Autistic people vary in communication abilities, and may seem awkward and have word-finding problems (although this varies between people). They may talk a lot about their favorite subjects. They also tend to have unusual nonverbal communication, such as not making eye contact, seeming unusually emotional or under-emotional, and stimming .
3
Evaluate emotional intelligence. People with schizoid PD fail to display any emotions—positive or negative. They may recognize emotions in others, but cannot relate to them and do not know how to respond in a socially acceptable manner.
- Autistic people may have a hard time figuring out what other people are thinking and feeling, but can be deeply emotional, especially with regards to getting overwhelmed easily.
4
Determine how well the person functions in general. Those with schizoid PD are able to maintain steady employment, unlike people with delusional disorders, like schizophrenia, and cluster B disorders, like antisocial personality disorder. They tend to choose jobs where they work alone, but are generally reliable enough to show up and do the minimal required. ^{[14]
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- People with antisocial personality disorder cannot hold down a job because they will not follow rules, and often find themselves in legal trouble.
- Some autistic people have difficulty maintaining steady employment due to a tendency towards overstimulation, difficulty staying organized, and a reduced ability to control particular emotions, especially frustration.
5
Assess onset and stability of symptoms. Schizoid PD does not usually present itself until early adulthood, while autistic people usually display signs of autism in childhood, sometimes even as young as age 2. ^{[15]
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Research source} Antisocial personality disorder is pervasive throughout a person’s life, although people with antisocial personality disorder can learn to fake typical behaviors in order to manipulate others. ^{[16]
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Mayo Clinic
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- Symptoms of schizoid PD may be early signs of schizophrenia, and may get worse with time. ^{[17]
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Tips

People with schizoid PD can do well in relationships that are not based on emotional intimacy. If you are involved with someone with this disorder, putting fewer demands on them for emotional support and closeness is often helpful. ^{[18]
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If you or someone you know exhibits multiple symptoms of schizoid PD, seek counseling with a psychiatrist specializing in personality disorders. Cognitive (“talk”) therapy is the most effective form of treatment.

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Warnings

Many psychologists/psychiatrists will not diagnose a personality disorder in any individual until they are eighteen unless the disorder is significantly impairing.

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Do not mistake introversion for a personality disorder. Introverts may tend to avoid certain social relationships out of fear, love of quiet time, or lack of confidence, whereas people with schizoid PD avoid all social relationships due to indifference.

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Only a qualified mental health professional can diagnose someone with a personality disorder. These guidelines are only for reference.

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How to Identify Schizoid Personality Disorder

Steps

Identifying Symptomatic Behavior

Assessing Interpersonal Relationships

Distinguishing from Other Disorders

Expert Q&A

Tips

Warnings

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