Research conducted in the past finds that mixed receptive-expressive language disorder has no conclusive evidence of the causes, however; research does find two different types: developmental and acquired (Encyclopedia of Mental Disorders, 2012). Current researchers continue to conduct studies to examine some key factors, which may possibly play a role in these disorders: biological and environmental. Research shows that developmental mix receptive-expressive language disorder is developed during the time a child is learning to talk.
Acquired receptive-expressive language disorder occurs after a period of normal development, and is directly caused by damage to the brain, such as epileptic seizures, stroke, or traumatic head injuries (Encyclopedia of Mental Disorders, 2012). The following case study will provide some evidence, in which the young Delano's two diagnoses of receptive-expressive language disorder, and reading disorder stems from damage to the brain caused by seizures.
[...] (2003). The Biology of epilepsy genes. Annual Review of Neuroscience, 599-625. Plante, T. G. (2011). Contemporary clinical psychology (3rd ed.). Hoboken, NJ: John Wiley & Sons. [...]
[...] The report indicated “mild dysrhythmia” with evidence of a “focal discharge in the posterior region of the temporal lobe of the left hemisphere (Chapman & Weaver p. 266). Activity in his brain also showed mildly irregular electrical activity and was also comparatively uncontrolled in one specific location which plays a significant role in understanding speech and language It was apparent that early brain trauma associated with the seizures affected Delano's development of certain skills during his critical early formative years. [...]
[...] He also had an undersized concentration period, an inadequate frustration levels, and communal immaturity. These complications carried on into first grade and added to his negative educational accomplishments along with unmet developmental objectives. Delano is portrayed to be capable of working conscientiously only when the configuration is plain, clear, and unambiguous. He is, however, without difficulty cataloged as introverted, and withdrawn because of his lowered self-esteem, which is directly associated to his sensitivity of the imperfections he has ( Meyer, et al p. [...]
[...] The indications begin previous to his sleep regiment or immediately subsequent to waking. Delano was accessible to disruption of his trances by the employment of repetitive voicing of Delano by means of his parents. Consequently, Delano's pediatrician suggested neurological assessments, which led him to be given an electroencephalogram (EEG). This aided in finding any existence of irregularities within his brain. Noted was a weak dysrhythmia “with evidence of a focal discharge in the posterior region of the temporal lobe of the left hemisphere” (Meyer, Chapman & Weaver p. [...]
[...] School Psychology Quarterly, 224-239. doi: 10.1037 /a0018000 Encyclopedia of Mental Disorders. (2012). Mixed Receptive-Expressive Language Disorder. Retrieved from http://www.minddisorders.com/Kau-Nu/Mixed- receptive-expressive-language-disorder.html Meyer, R. G., Chapman, L. K., & Weaver, C. M. (2009). Case studies in abnormal behavior (8th ed.). Boston, MA: Pearson Education/Allyn & Bacon Noebels, J. L. [...]
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