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PSYB65H3 (479)
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Chapter 15

chapter 15 psyb65

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Department
Psychology
Course
PSYB65H3
Professor
Ted Petit
Semester
Winter

Description
Psyb65 – chapter 15 Neuropsychological assessment Participants in a neuropsychological assessment  For the first 50 years, neuropsychological assessment was concerned with determining whether brain damage as present  They now seek to diagnose conditions that are not readily detectable by using neuroimaging to assess quality of life and to evaluate the client’s capacity to succeed in his/her present environment – more involved in rehabilitation following brain injury The client  Can be referred to a patient, subject, participant, or client. o Formal medical written is referred to as patient rather they are hospitalized or not o Research articles refer to them as subjects or participants o Clinical neuropsychologist refer to people as clients o There is no typical client o People of all ages are vulnerable to nervous system damage  Accidents involving motor vehicles account for most traumatic head injuries Neurologist  Special type of physician who diagnoses and treats disorders of the nervous system o Includes disorders of the CNS and of the PNS  2-4 years of university, 4 years of MED school and 3 years of training in neurology residence program  They test basic sensory and motor functions, and sometimes cognitive abilities  They can also administer a lumbar puncture to obtain cerebrospinal fluid for testing  They advise the primary doctor of the person  They don’t typically perform surgeries, they help monitor the surgically treated individual Radiologist  Wilheml conral rontgen: he noticed a glowing fluorescent screen on a nearby table, his glass tube was causing the fluorescence and these rays were able to penetrate the thick black paper that was wrapped around the tube.  He called them x-rays and thought that it could also penetrate other solid materials, including wood, metal and human tissues.  Only1.2% of physicians specialize in radiology  They have specialized training conditions using radiological science  Before most radiology was used with X-rays but now they can use other radiological examination such as a CT and MRI, they write the results and give it to the primary care physician Clinical neuropsychologist  Concerned with psychological assessment, management, and rehabilitation of neurological disease and injury  Experimental neuropsychology which focuses on how human behavior arises from brain activity  Cognitive neuropsychology: typically regarded as being less focused on the natural basis of the behavior and more focused on explaining behavior  Clinical neuropsychologist: scientist-practitioner who seeks to assess, manage and rehabilitate individuals who are suffering from neurological disorders  They do not have medical training, a psych degree and a master’s degree in clinical psychology  They do internship programs in which they practice clinical skills under the supervision of one or more certified clinicians Lack of insight: when they are unawake of their deficit  After suffering brain injury receives medical treatment by a general physician and is followed up by a neurological examination  Brain imaging results are interpreted by a radiologist, who consults with a neurologists, after they go through more testing from a neuropsychologist The assessment:  Basic form of neurological exam: concern with reflex, cranial nerve functioning, and the person’s medical history  Mini Mental state exam or the modified mini mental state exam: looks at how people can answer a series of questions to examine cognitive function such as language, orientation to location, mental status  Physicians can perform these tests quickly Neuropsychological assessment  Detailed examination of cognitive functions  Personal interview and a series of tests  Use standardized tests o 1. They are always administered to participants in the same way o 2. They are always scored in the same manner  Two approaches have been taken to perform neuropsychology testing: o 1. Uses fixed battery o 2. Flexible selection of tests that depends on the reason for the assessment  Most neuropsychologist like to include both  Goal for psychological assessment is: o Provide evidence of cognitive dysfunction, may help understand ambiguous results from other assessments, such as radiology o Provides a profile of cognitive function of an individual at a specific time, it can be used to document disease progression  Cognitive profile can help determine possible outcomes from surgery o There is cognitive decline that is associated with progression of disease, psychological assessment can provide insights into the functions of different areas of the brain o Cognitive profile that they obtain from assessment can help determine the reason for cognitive impairment Fixed test batteries  Five tests are widely used in the neuropsychological assessment o 1. Halstead-Reitan Battery (HRB) was developed in 1920’s to examine cognitive change following brain injury  There are 5 core tests.  1. Includes a category test: reasoning and hypotheses testing  2. Tactual performance test: arrange various shaped blocks into wholes without using sight  3. Rhythm test: detect similarities and difference between rhythms.  4. Speech sounds perception test: match spoken nonsense with written forms  5. Finger tapping test – tap their index finger as quickly as possible f
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