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Implication des fonctions exécutives et mise en évidence d'items significatifs dans le test d'organisation visuelle de Hooper /Mailloux, Stéphane, January 2004 (has links)
Thèse (M.Ps.) -- Université du Québec à Chicoutimi, en association avec Université du Québec à Trois-Rivières, 2004. / "Mémoire présenté à l'Université du Québec à Chicoutimi comme exigence partielle de la maîtrise en psychologie offerte à l'Université du Québec à Chicoutimi en vertu d'un protocole d'entente avec l'Université du Québec à Trois-Rivières." Comprend des réf. bibliogr. : f. [147]-154. Document électronique également accessible en format PDF.
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The effects of an exhaustive bout of exercise on neurocognitive performance in recreational athletesWeiss, Leigh Jordan. January 2006 (has links)
Thesis (M.S.)--Michigan State University, 2006. / Includes bibliographical references (leaves 74-83). Also available online (PDF file) by a subscription to the set or by purchasing the individual file.
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The effects of an exhaustive bout of exercise on neurocognitive performance in recreational athletesWeiss, Leigh Jordan. January 2006 (has links)
Thesis (M.S.)--Michigan State University, 2006. / Includes bibliographical references (leaves 74-83).
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Predictive validity of functional assessment and neuropsychological test scores in the vocational outcome of persons with traumatic brain injuriesBiggan, Shannah Lynne 13 June 2018 (has links)
This study examines the validity of using a combination of two psychometric measures,
an emotional adjustment measure, and functional assessment measures to predict
vocational outcome in a traumatically brain injured population. Patients included 33
males and 11 females, with an average age of 32.3 years, and a stable work history
over the past three years prior to injury. All had sustained a traumatic brain injury in
the 12 months prior to initial testing, with a mean of 3.8 months since injury. Levels
of severity of injury included 24 patients with severe injury, 12 patients with moderate
injury, and 8 patients with mild injury. Patients completed the Logical Memory subtest
(LM) of the Wechsler Memory Scale-Revised, Paced Auditory Serial Addition Test
(PASAT), Beck Depression Inventory (BDI), and Personal Capacities Questionnaire
(PCQ). A clinician working closely with the patient also completed the Functional
Assessment Inventory (FAI) and the Behavior Checklist (BC) at the time of initial
testing. Follow-up testing on available patients (n=16) was completed approximately
six months after initial testing. Comparison of the functional assessment measures
demonstrated that patients exhibited a decreased awareness of functional limitations
relative to clinician's ratings, but identified an increased number of personal strengths.
The present study demonstrates the first comparison of FAI and PCQ ratings in a TBI
population, as well as the first available field research using the PCQ. Results also
indicated that the only significant predictor on earned income after six months was the
overall functional limitations score on the PCQ. The only significant difference in
patients' test performance at six months with scores at initial testing was seen on the
PASAT, which suggested that patients had a significant improvement in their speed of
information processing after six months. In addition, comparison of patients from
Canadian and American rehabilitation agencies, respectively, revealed no significant
differences between patients at either initial testing or at follow-up. / Graduate
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The relative discriminatory power of a selection of neuropsychological tests in Alzheimer's diseaseAronson, Steven January 1994 (has links)
KMBT_363 / Adobe Acrobat 9.54 Paper Capture Plug-in
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Early detection of isolated memory deficits in the elderly: the need for more sensitive neuropsychological testsDe Jager, C., Anderson, Elizabeth J. (formerly Milwain), Budge, M. January 2002 (has links)
No / . Early detection of cognitive decline in the elderly is important because this may precede progression to Alzheimer's disease. The aim of this study was to see whether sensitive neuropsychological tests could identify pre-clinical cognitive deficits and to characterize the cognitive profile of a subgroup with poor memory.
Methods. A neuropsychological test battery was administered to a community-dwelling sample of 155 elderly volunteers who were screened with CAMCOG at enrolment (mean age 74·7 years). The battery included tests of episodic memory, semantic and working memory, language and processing speed.
Results. Episodic memory test z scores below 1 S.D. from the cohort mean identified 25 subjects with `non-robust¿ memory performance. This group was compared to the remaining `robust memory¿ group with a General Linear Model controlling for age, IQ, education and gender. Test performance was significantly different in all tests for episodic and semantic memory, but not in tests for working memory, processing speed and language. CANTAB paired associates learning and spatial recognition tests identified the highest percentages of those in the `non-robust memory¿ group. Processing speed partialled out the age effect on memory performance for the whole cohort, but the `non-robust memory¿ group's performance was not associated with age or processing speed.
Conclusions. Sensitive neuropsychological tests can detect performance below the norm in elderly people whose performance on MMSE and CAMCOG tests is well within the normal range. Age-related decline in memory performance in a cohort of the elderly may be largely due to inclusion within the cohort of individuals with undetected pre-clinical Alzheimer's disease or isolated memory impairment.
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Validation of a rating scale for bedside cognitive assessmentRoos, Annerine 04 1900 (has links)
Thesis (MMed)--University of Stellenbosch, 2004. / ENGLISH ABSTRACT: Numerous tests exist for the assessment of general cognitive functioning. Most of these tests
were developed within the discipline of psychology. Neuropsychological tests are very useful,
but have some limitations. Administration of the tests is limited to a psychologist, is very timeconsuming
in that it can take 3-8 hours to administer and often need specialized equipment.
At the other end of the continuum are very brief screening tests. General practitioners,
psychiatrists and occupational therapists, in addition to psychologists, also use these tests.
Although useful, the short tests only provide limited information. An intermediate level test
streamlining the assessment process between the very short and longer neuropsychological
tests is therefore introduced by this study.
The Bedside Cognitive Assessment Battery (BCAB) was developed in 1995 and are since
used, at Tygerberg Hospital's Memory Clinic, to assess patients and teach students. The test
comprehensively assesses the six main classes of cognitive functioning, namely attention
and concentration, speech, memory, motor functioning, perceptual functioning and executive
functioning. Approximately 35-45 minutes is required for administration and training is
needed to administer the BCAB. No specialized equipment is needed for administration. The
battery can therefore be used at the bedside, in the office or at old age homes.
The aims of this study were to validate the BCAB for use with people aged eighteen years
and older, and provide normative values for use in clinical settings. The test was revised in
1997 and 2001, and extensively so in 2002, but was never formally evaluated for validity.
Well-known single tests were used to compile the BCAB. Most of these tests have proven
validity and reliability, but only for foreign populations. In addition, some items were
reformulated and others created by the researchers. The introduction of normative values
would also be useful to assist in the delineation of cognitively intact and impaired individuals.
This study succeeded in providing a table of normative values.
One-hundred-and-sixty Afrikaans and English participants, and fourteen Xhosa participants
were assessed in their mother tongue language. This project thus also introduced a Xhosa
version of the BCAB. The purpose of the Xhosa version was to address the lack of culturally
relevant cognitive assessment instruments. Results were evaluated for the effects of the
variables' language, gender, age and education. The effect of language was most noticeable
in the Xhosa group. Gender did not affect results as dramatically as age and especially,
education. These significant effects on the aforementioned variables have been described in previous reports. The BCAB is thus relevant and useful as a detector of mild to moderate
impairment. It can also be used to identify specific impairment. This can narrow down the
investigation of psychologists, thus saving time and money. In addition, medical and nonmedical
staff can use the BCAB.
Some limitations were also identified. The sample used may limit the generalization of
results. Some test items also need revision, along with further validation studies. Clinicians
are therefore advised to use the BCAB only in addition to complete clinical examinations
when making decisions regarding a patient's cognitive status. The BCAB appears to be a
valid tool for bedside assessment. However, this study could only set the stage for further
research, especially studies concerned with establishing normative values. / AFRIKAANSE OPSOMMING: Verskeie toetse bestaan vir die evaluering van algemene kognitiewe funksionering, waarvan
die meeste ontwikkel is binne die sielkunde. Neuro-sielkundige toetse is baie bruikbaar, maar
het sekere beperkings. Administrasie van die toetse is beperk tot sielkundiges, maar
tydrowend weens 'n tydsduur van drie tot agt uur, en verg dikwels gespesialiseerde
toerusting. Aan die ander kant is heelwat kart siftings-toetse beskikbaar. Aigemene
praktisyns, sielkundiges en arbeidsterapeute, asook sielkundiges, gebruik dit. Hoewel
bruikbaar, bied die kart toetse beperkte inligting. 'n lntermediere vlak toets om die
evaluerings-proses tussen kart en langer neuro-sielkundige toetse te integreer word met
hierdie studie beoog.
Die Bedkant Kognitiewe Evaluasie Battery (BKEB) is in 1995 ontwikkel en gebruik in die
Geheue-kliniek van die Tygerberg Hospitaal om pasiente te evalueer en studente op te lei.
Die toets is gerig op die omvattende evaluering van die ses hoof-klasse van kognitiewe
funksionering. Hierdie klasse omvat aandag en konsentrasie, spraak, geheue, motoriese
funksionering, perseptuele funksionering en uitvoerende funksionering. Sowat 35 tot 45
minute word benodig vir administrasie terwyl opleiding vereis word vir die neem van die
toets. Geen gespesialiseerde toerusting is nodig nie. Die battery kan dus by die bedkant, in
die kantoor of in ouetehuise gebruik word.
Die doelwitte van hierdie studie is om die BKEB te evalueer in gebruik by 18-jariges en ouer,
en normatiewe waardes te bepaal vir gebruik in kliniese omgewings. Die toets is in 1997 en
2001 hersien. In 2002 is dit uitvoerig hersien, maar nooit ge-evalueer vir geldigheid nie.
Bekende enkel-toetse is gebruik am die BKEB saam te stel. Dit is as geldig en betroubaar
bewys, hoewel slegs onder buitelandse bevolkingsgroepe. Hierbenewens is sekere items
herformuleer en ander bygewerk deur die navorsers. Normatiewe waardes sal oak handig
wees in die afbakening van kognitief normaal-funksionerende en kognitief-ingekorte
individue. Hierdie studie het daarin geslaag am 'n tabel van normatiewe waardes daar te stel.
Een-honderd-en-sestig Afrikaans- en Engels-sprekendes, en 14 Xhosa-sprekendes is tydens
hierdie studie in hulle moedertaal ge-evalueer. Hierdie projek het dus oak 'n Xhosaweergawe
van die BKEB geskep. Die doel van die Xhosa-weergawe was am die gebrek aan
'n kultureel toepaslike kognitiewe instrument te beklemtoon. Resultate is ge-evalueer
gedagtig aan veranderlikes soos taal, geslag, ouderdom en opleidingsvlak. Taal het die
grootste invloed gehad op uitslae van Xhosa-deelnemers. Geslag het nie die uitslae so dramaties bernvloed soos ouderdom, en veral opleidingsvlak nie. Literatuur het meestal die
groot uitwerking van hierdie veranderlikes bevestig. Die BKEB is dus relevant en handig in
die naspeuring van ligte tot matige kognitiewe ingekortheid. Dit kan ook gebruik word om
spesifieke kognitiewe ingekortheid te identifiseer. Die kan die omvang van ondersoek deur
sielkundiges vernou, wat kan lei tot In groot besparing in tyd en geld. Hierbenewens kan
mediese en nie-mediese personeel aangewend word in die gebruik van die BKEB.
Sekere tekortkominge is ge·,dentifiseer. Die steekproef mag egter die veralgemening van die
uitslae beperk. Sekere toets-items mag ook hersiening vereis, tesame met verdere
geldigheid-studies. Kliniese praktisyns word daarom aangeraai om die BKEB slegs in
aanvulling tot omvattende kliniese ondersoeke te gebruik vir besluite m.b.t. In pasient se
kognitiewe status. Die BKEB kom voor as In geldige instrument vir bedkant evaluering.
Hierdie studie kon egter slegs die tafel dek vir verdere ondersoek, veral t.o.v. studies wat
poog om normatiewe waardes daar te stel.
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Longitudinal neurocognitive functions in First-episode psychosis: 24-month follow-upTso, F., 曹斐. January 2002 (has links)
published_or_final_version / Psychiatry / Master / Master of Philosophy
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FUNCTIONS UNDERLYING PERFORMANCE OF LEARNING-DISABLED CHILDREN IN INTELLIGENCE AND NEUROPSYCHOLOGICAL TESTS.GAMBLE, CONSTANCE MARIA. January 1987 (has links)
This study was designed to determine the factorial validity of specific components of the Reitan-Indiana Neuropsychological Battery with a learning disabled population. Scores of 42 children, 38 males, 4 females, ages 6.2 to 8.8 years were compiled on specific tests of the Reitan-Indiana. Principal component factoring of the original correlation matrix was followed by principal factoring, using a 4 factor solution; varimax rotation with six iterations produced the desired reduction of the correlation matrix; four factors emerged for the learning disabled population, which accounted for 53% of the variance: verbal intelligence, psychomotor speed, achievement, and memory. The factor structure that emerged was not consistent with the surface factors of the battery as conceptualized by its author suggesting that this battery may lack construct validity when used with a learning disabled population.
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Cognitive and Perceptual-Motor Indicators of Lateralized vs. Diffuse Brain Damage in Adults.Gregory, Erin Kathleen Taylor 12 1900 (has links)
Among the goals of the neuropsychological assessment are to detect the presence of brain damage, localize which areas of the brain may be dysfunctional and describe subsequent functional impairments. The sensitivity of neuropsychological instruments in carrying out these functions is a question of some debate. The purpose of this study is to determine the utility of lateralizing indicators from the WAIS-III, McCarron Assessment of Neuromuscular Development (MAND) and Haptic Visual Discrimination Test (HVDT), from the McCarron-Dial System Neuropsychological Assessment Battery (MDS), in ascertaining the presence or absence of brain damage as well as location of lesion. The classification accuracies of using performance level indicators from these tests and lateralizing indicators, alone and together, were compared.
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