4/11/2024 0 Comments Dsm 5 for asd fidgetyThis is because the 2 pathways intersect in the brain. We have all had the experience of getting a small cut (such as a paper cut) and applying pressure to it instinctively to stop the discomfort. Two pathways deliver these touch messages to our brain to be interpreted, the first (known as the anterolateral system) carries information relating to pain and extreme temperatures and crude touch and the second (known as the dorsal column medial lemniscal pathway) carries information about deep pressure touch/proprioception, vibration and fine touch. Without using our other senses we can understand where we are being touched, the pressure of the touch, and the temperature of touch. Our sense of touch provides us with lots of different information. This can present difficulty with perceiving where a sound is coming from, and an autistic individual may pay attention to all sounds in an environment at once making if difficult to concentrate or respond to someone talking to them or indeed sensory overload in some instances. shopping centres or schools and lower frequency sounds such as handryers or hairdryers. Autistic people can often be very sensitive to sounds, particularly sounds coming from lots of directions like in busy places e.g. However, this appears not to be the case for autistic individuals and is one of the most well-known sensory differences they experience. Our hearing system also filters out unimportant background noise. This also contributes to our sense of body awareness, for example, if we hear a sound is becoming louder, we perceive that thing as getting physically closer to us. The way our brain processes these sounds allows us to interpret where the sound is coming from. Similarly to our vision, our brain combines the information it receives from both of our ears to perceive the sounds we are hearing. Autistic people may be described as having sensory issues, but sensory differences is more accurate in describing the variety of ways our community processes the environment around us. This means considering how the environment is disabling to an autistic individual. As mentioned in previous pages, it’s best to think of autism in the social model of disability. However, there are 3 other less known senses – the vestibular sense, proprioception and interoception. Most people will know our five basic senses – vision, hearing, smell, taste and touch. What are our senses and what do they control? someone talking to them) and can be overwhelming emotionally too. If this filtering isn’t happening efficiently, the brain can be flooded with sensory information which can make it difficult for the person to attend to other things in the environment (e.g. We think autistic individuals may not have the same ability to filter through and get used to the information the brain is receiving. It is common for autistic individuals to report difficulty tolerating every day sensations such as smells, background noise, or the sensation of clothes. One of the most commonly reported explanation that autistic individuals give for having difficulty participating in everyday activities, school life or social situations are sensory processing difficulties/sensitivities and difficulty tolerating the sensory aspect of an environment. Whilst this does reference the sensory processing difficulties somewhat in terms of engaging in self-regulatory behaviours/’stimming’ it doesn’t necessarily reflect the impact that sensory processing difficulties can have on an autistic individual’s participation in everyday activities. Within the DSM-5 criteria for Autism, sensory processing differences known as hypo or hyper sensitivity are categorised under section B “restrictive, repetitive patterns of behaviour”. Autism can cause a more varied experience of sensory processing. The purpose of this process is to enable us to be able to attend, organise and move our bodies and manage our emotions as efficiently as possible. Sensory processing is an automatic process. Our brain then filters through this information in order to decide which information is important to attend to and which isn’t. Our brain continuously receives information from all of our senses. Sensory processing is our ability to combine and understand information coming in from our senses.
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