All these difficulties in the different senses can be factors in Sensory Processing Disorder. Even though many people can have difficulty with one or more of our senses not everyone who have these difficulties has a Sensory Processing Disorders. Some of us have one or more senses that are strong than the others, which is why if someone goes deaf or blind they are able to strengthen other senses and be successful in our environment.
Sensory Processing Disorder is broken up into three main categories, which are Sensory Modular Disorder, Sensory Discrimination Disorder, and Sensory Based Motor Disorder. Sensory Processing is the way our central nervous system receives messages from our seven senses and turns them into the appropriate motor and behavior responses(). Sensory Processing Disorder is a condition that exist when sensory signals do not get organized into the appropriate responses, according to Jen Ayres PhD., it is like a neurological "traffic jam" that prevents certain parts of our brain from receiving the information needed to interpret sensory information correctly(The nerve blog.). A person with a sensory processing disorder finds it hard to process and act upon information received through our senses making challenges out of performing every day task (SPD Foundation - About SPD - SPD Foundation - About SPD - Subtypes of SPD.).
Most people who have a sensory processing disorder experience one or more following symptoms: overly sensitive to touch, movement, sight, or sounds; under reactive to touch, movement, sights, or sounds; easily distracted; activity level that is unusually high or unusually low; physical clumsiness or apparent carelessness; impulsive, lacking self control; difficulty making transition from one situation to another; inability to unwind or calm oneself; and poor physical self concept (Sensory Modulation Disorder.).
The first type of Sensory Processing Disorder is Sensory Modular Disorder, which is broken up into three types is an over-responsively, under-responsively, and sensory seeking. Sensory modulation refers specifically to our brain's ability to respond appropriately to the sensory environment and to remain at the appropriate level of arousal or alertness (Sensory Modulation Disorder.).
Over-responsively Sensory Modular Disorder is when our bodies over respond to the sensory environment around us. According to Tara Delaney, this Sensory processing disorder is the most common because our bodies go into sensory defensiveness. Sensory defensiveness is the flight or fight mechanism even though there is no real "danger" (Sensory Modulation Disorder.).
Most people with Over-responsively Sensory Modular Disorder experience one or more the following symptoms: picky eating habits; clothes issues, does not like tags, seams, certain fabrics; self-care issues, dislike hair care, nail trimming, face washing, bathing; low frustration tolerance; easily overwhelmed in noisy, busy environment like parties and restaurants; and dislike light touch (Sensory Modulation Disorder.).
Under-responsively Sensory Modular Disorder is when our bodies underly response to the sensory environment around us. This sensory processing disorder is issue with lack of response or insufficient response to sensory environment around us (Sensory Modulation Disorder.). People with an under response to sensory information seemed to be uncoordinated and have difficulty with motor skills development (Sensory Modulation Disorder.).
Most people with Under-responsively Sensory Modular Disorder experience one or more following symptoms: food cravings, most of the time salty or spicy foods; may stuff too much food in their mouth; may not notice messy face, hands, and twisted clothes; often appears to be daydreaming or unfocused on what is going on; ask "what" a lot when hearing is fine; high pain tolerance or may not seem to notice cuts and bruises; low muscle tone; toe-walking or awkward gait; clumsiness; and poor fine motor skill development (Sensory Modulation Disorder.).
Sensory seeking Sensory Modular Disorder is when our bodies need a certain amount of stimulations from the sensory environment around us before our central nervous system responds most of the time higher than normal. The nervous system of someone with sensory seeking needs an intense amount of input in order for the sensory information to be registered properly in our brains. Therefore, these people crave intense sensory information constantly (Sensory Modulation Disorder.).
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