OCD Vs. Autism: Understanding the Key Differences and Overlapping Traits

Both Obsessive-Compulsive Disorder (OCD) and Autism Spectrum Disorder (ASD) appear similar at first glance. This is because both conditions often manifest through repetitive behaviours and share similar routines and symptoms. However, despite these outward similarities, the internal drivers and causes for these actions are worlds apart.

To understand the differences and overlapping traits of these conditions, the editorial team of Onlymyhealth reached out to Mr S Giriprasad, Psychologist at Aster Whitefield Hospital, Bengaluru. Continue reading to know what he shared with us.

OCD Vs Autism

According to Mr Giriprasad, the primary distinction between OCD and Autism largely relates to the underlying motivation for repetitive behaviours. "For people with OCD, these behaviours are often driven by intrusive and unwanted thoughts, basically obsessions. These cause the sufferer a great deal of anxiety, fear, or discomfort. Ironically, these behaviours are performed to reduce the feelings of anxiety or to prevent a feared outcome," Mr Giriprasad explains.

In contrast, for people with autism, these behaviours are not performed to avoid something feared. Instead, they are often self-soothing behaviours linked to their likes and a need for predictability. Mr Giriprasad states that autistic individuals may find these behaviours delightful, whereas those with OCD find them draining and something they would prefer to avoid.

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Key Signs to Distinguish OCD from Autism

Mr Giriprasad shares the key signs that help doctors distinguish OCD from autism in children and adults:

• In the case of OCD, there is manifest suffering when the individual is unable to carry out the compulsion. Furthermore, individuals, especially teens and adults, often recognise that the ideas or behaviours are probably excessive or unreasonable.
• In Autism, the condition is defined by lifelong patterns of social communication deviations, sensory receptivity, and limited interests that begin in early childhood.

Mr Giripradasad notes, "Medical professionals observe if the behaviour is carried out in pursuit of alleviating fear in the individual (OCD) or if it is an underlying pattern of neurodevelopmental deviations in communication, interactions, and sensory processing (autism)."

Can a Person Have Both Conditions?

It is indeed possible for a person to have both OCD and Autism. Research suggests that there is a significantly higher likelihood of an individual with autism suffering from OCD compared to the general population. Estimates indicate that between 15 and 30 per cent of autistic individuals may also exhibit significant OCD symptoms.

"In such a situation, both OCD and autism can complicate each other as the compulsions can sometimes be confused with autism and vice-versa," Mr Giriprasad explains.

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Difference in Repetitive Behaviours

The nature of the repetitive acts also differs between the two conditions. According to Mr Giriprasad, in OCD, the behaviour is very rigid and motivated by anxiety that is felt as obligatory.

"The acts are carried out in attempts to remove a particular fear of injury or of something ‘going wrong’ related to contamination. If the behaviour is interrupted, the individual becomes increasingly anxious," he notes.

In autism, the repetitive behaviours, such as hand flapping, arranging objects in lines, or following specific rituals, are largely for self-soothing or reducing sensory overload. "These are not connected to catastrophic worries and if interrupted, the distress is usually about the loss of predictability rather than a fear-based goal."

Diagnosis of OCD and Autism

Mr Giriprasad underlines that Autism is usually recognised in early childhood, between two to five years of age, because the way in which people with this disorder communicate, play, and interact with society becomes apparent in early childhood itself.

He further states, "The diagnosis of OCD usually happens in late childhood, in adolescence, or even in later life because people are then able to explain to practitioners what is happening in their minds whenever they have certain thoughts."

The reason people confuse these two conditions is the repetitive behaviour shown in both, which becomes apparent in young children with OCD because they have difficulty expressing their fears.

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Treatment for OCD

Mr Giriprasad shares that the primary approach for OCD treatment is

• Cognitive Behavioural Therapy (CBT
• Exposure and Response Prevention (ERP)
• Medications like Selective Serotonin Reuptake Inhibitors (SSRIs)

Mr Giriprasad highlights that the goal is to minimise anxiety and break the cycle between obsessions and compulsions.

Treatment for Autism

To manage Autism, Mr Giriprasad suggests that support focuses on:

• Improving communication
• Daily functioning
• Sensory regulation
• Quality of life

This is achieved through behavioural therapies, occupational therapy, speech therapy, and environmental adjustments.

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Mr Giriprasad concludes, "In cases of overlap, treatments must be highly personalised. It is crucial to treat the anxiety-driven compulsions without interfering with harmless or self-regulating autistic behaviours which make up the neurodiverse individual's characteristic style."

Bottomline

Understanding whether a behaviour is driven by fear (OCD) or a need for sensory regulation (Autism) is the first step towards providing the right support. If you notice persistent repetitive patterns in yourself or a loved one, consulting a mental health professional is vital to ensure an informed and helpful path forward.