Disease Description (Causes and Symptoms)
- Definition summary: Asperger syndrome is one of the neurodevelopmental profiles within autism spectrum disorder (ASD), characterized by difficulties with social communication and restricted, repetitive interests/behaviors while language and intellectual development are relatively preserved.
- Causes and pathophysiology: The exact cause is unknown, but genetic factors and differences in brain development and connectivity are thought to be involved (differences in social cognition and theory-of-mind abilities, sensory-processing differences, etc.).
- Main symptoms:
- Difficulties with social interaction (difficulty making eye contact, interpreting nonverbal signals, and understanding social rules).
- Although language-development delay is not prominent, distinctive patterns may occur in speech, intonation, and choice of conversation topics (verbosity, insistence on a topic, etc.).
- Restricted, intense interests and repetitive behavior patterns.
- Sensory hypersensitivity or hyposensitivity (to sounds, light, touch, etc.).
- Comorbid conditions such as anxiety, depression, and attention-deficit/hyperactivity disorder (ADHD) may also occur.
Treatment Methods
- Principles: There is no single treatment method, and a multidisciplinary approach (psychological, educational, behavioral, and pharmacological) tailored to individual characteristics and co-occurring symptoms is needed. Early intervention is favorable for improving prognosis.
- Nonpharmacological treatment (basic treatment):
- Social-skills training and interpersonal-skills education (individual or group).
- Speech-language therapy (especially focused on pragmatic language and conversation skills), and cognitive behavioral therapy (CBT) adapted for co-occurring symptoms such as anxiety and obsessive-compulsive symptoms.
- Behavioral therapy (positive behavioral support and behavior-modification techniques), goal-oriented education, and learning assistance.
- Occupational therapy (sensory integration and motor control), vocational rehabilitation, and school-based support (individualized education plans and environmental modifications).
- Family education and psychosocial support.
- Pharmacological treatment (primarily for controlling co-occurring symptoms):
- When ADHD is also present: stimulants (such as methylphenidate), atomoxetine, etc.
- Anxiety and obsessive-compulsive symptoms: selective serotonin reuptake inhibitors (SSRIs) — use with caution.
- In cases of severe irritability, aggression, or self-injury: antipsychotic drugs (e.g., risperidone); when used in children/adolescents, benefits and adverse effects should be carefully evaluated.
- Sleep problems: short-term adjuncts such as melatonin may be considered.
- Medication selection is individualized based on target symptoms, age, and the adverse-effect profile.
- Procedures/surgery: Not applicable (brain surgery and specialized procedures are not standard treatments).
- Lifestyle management and precautions:
- A consistent environment, predictable routines, and visual supports (such as schedules) are recommended.
- Environmental adjustments based on sensory factors (noise, lighting, clothing fabrics, etc.).
- Monitoring for medication adverse effects during treatment (decreased appetite, sleep changes, weight changes, behavioral changes, etc.) is necessary.
- Early detection and treatment of co-occurring psychiatric problems (depression, anxiety, thoughts of self-injury, etc.) are necessary.
- Risk of complications:
- Depression, anxiety disorders, social isolation, employment and academic problems, possible increased suicide risk, and in some cases co-occurring epilepsy (intermittent) may occur.
- Prognosis:
- When intellectual functioning is preserved, social and occupational functioning can be improved through learning and training, but difficulties in interpersonal relationships commonly persist into adulthood. Treatment of co-occurring conditions and social support have a major impact on prognosis.
Outpatient Visit Checklist (Recommended Items and Example Questions)
- Recommended items to bring:
- A list of current medications (product name, dose, and dosing time) and information about medication allergies.
- Previous medical certificates and psychological test results (intelligence tests, language assessments, etc.), and results or records of assessments such as ADOS/ADI-R.
- Reports from schools or childcare institutions (teacher observations and behavioral-observation records).
- Symptom records (frequency, triggers, and intensity of problematic behaviors) and notes on sleep and eating patterns.
- Family history (psychiatric and developmental problems), and photographs or videos showing behaviors (if possible).
- Goals or priorities (e.g., school adjustment, reducing anxiety, vocational training, etc.).
- Questions to consider in advance for the outpatient visit (for submission or consultation during the appointment):
- Recent changes in symptoms (when they began and in what situations they worsen).
- The most difficult aspects of daily life (interpersonal relationships, work or academic life, sensory discomfort, etc.).
- Previous treatments attempted (speech-language therapy, behavioral therapy, and medication) and whether they were effective or caused adverse effects.
Examples of General Questions to Ask the Doctor
- What is the priority treatment recommended for these symptoms (or for my/my child’s condition)?
- Is pharmacological treatment necessary? If recommended, what benefits can be expected and what possible adverse effects may occur?
- What nonpharmacological treatments, such as social-skills training and speech-language therapy, are available, and how often should they be received to be effective?
- What practical support and rights (such as an IEP) can be applied in school or workplace settings?
- How often should follow-up visits be scheduled? What symptoms should prompt immediate contact?
Examples of Disease-Specific Questions
- Can we be evaluated to determine whether my current (or my child’s) language and conversation characteristics are due to limited social understanding, and whether speech-language therapy focused on pragmatic language (conversation skills) would be helpful?
- Among specific social-skills training programs (group-based versus individual), which program is recommended, and how is it structured so that it extends to real-life application (school or workplace)?








