Full Text Journal Articles by
Author Heather A Tree

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Informational literature influences symptom expression following mild head injury: An analog study.

Brigid Waldron-Perrine, Heather A Tree, Robert J Spencer, Julie Suhr, Linas Bieliauskas,

Many Veterans involved in recent OEF/OIF conflicts return with reports of having experienced an mTBI. The Veteran's Affairs (VA) and Department of Defense (DoD) have gone to great lengths to provide information to Veterans regarding possible effects of TBI. Although well intended, this information may possibly have an iatrogenic effect. ... Read more >>

Brain Inj (Brain injury)
[2015, 29(9):1051-1055]

Cited: 2 times

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Report of traumatic brain injury information sources among OIF/OEF Veterans undergoing polytrauma evaluations.

Robert J Spencer, Adam P McGuire, Heather A Tree, Brigid Waldron-Perrine, Percival H Pangilinan, Linas A Bieliauskas,

Servicemembers returning from recent conflicts frequently report symptoms associated with traumatic brain injury (TBI) and are subsequently assessed within the Department of Veterans Affairs (VA) medical system. Information on potential cognitive and behavioral correlates of TBI is available from multiple sources. A Veteran's symptom presentation may be significantly influenced by ... Read more >>

J Rehabil Res Dev (Journal of rehabilitation research and development)
[2013, 50(1):1-6]

Cited: 2 times

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Wechsler Adult Intelligence Scale-Fourth Edition performance in relapsing-remitting multiple sclerosis.

Joseph J Ryan, Samuel T Gontkovsky, David S Kreiner, Heather A Tree,

Forty patients with relapsing-remitting multiple sclerosis (MS) completed the 10 core Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) subtests. Means for age and education were 42.05 years (SD = 9.94) and 14.33 years (SD = 2.40). For all participants, the native language was English. The mean duration of MS diagnosis was ... Read more >>

J Clin Exp Neuropsychol (Journal of clinical and experimental neuropsychology)
[2012, 34(6):571-579]

Cited: 10 times

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Gender differences on WAIS-III incidental learning, pairing, and free recall.

Joseph J Ryan, David S Kreiner, Heather A Tree,

Gender differences on Digit-Symbol-Coding-Incidental Learning, Pairing, and Free Recall were examined using the standardization sample of the WAIS-III. Males earned significantly higher scores on both Pairing and Free Recall, but effect sizes were small. Gender effects were not significant when age and educational level were included in the model or ... Read more >>

Appl Neuropsychol (Applied neuropsychology)
[2008, 15(2):117-122]

Cited: 6 times

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Administration frequencies of WAIS-III supplementary and optional subtests of board-certified clinical neuropsychologists.

Joseph J Ryan, Laura A Glass, Heather A Tree,

The present investigation surveyed board-certified clinical neuropsychologists in four geographic regions of the United States regarding their administration practices of the WAIS-III supplementary subtests (Letter-Number Sequencing, Symbol Search), optional subtest (Object Assembly), and optional procedures (Digit Symbol-Incidental Learning and Digit Symbol-Copy). Approximately 56% of the surveys were returned and usable. ... Read more >>

Appl Neuropsychol (Applied neuropsychology)
[2008, 15(3):205-207]

Cited: 2 times

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Validity of WAIS-III performance scale subtests completed with the non-dominant hand.

Joseph J Ryan, Heather A Tree,

Many patients with hemiplegia use only the non-dominant hand to complete the WAIS-III. It is not known to what degree this administrative change alters scores on specific subtests. To answer this question, we compared scores on Digit Symbol-Coding, Block Design, Picture Arrangement, Object Assembly, and Symbol Search via standard administration ... Read more >>

Appl Neuropsychol (Applied neuropsychology)
[2007, 14(1):52-55]

Cited: 0 times

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Thirty-second interval patterns for WAIS-III Digit Symbol and Symbol Search.

Joseph J Ryan, David S Kreiner, Jared M Bartels, Heather A Tree, Summer D Schnakenberg-Ott,

For Digit Symbol-Coding (CD) and Symbol Search (SS) we tested the hypothesis that young adults (44 males, 60 females) would start out quickly and demonstrate steady increases in symbols/items completed across each of four 30-s intervals. The average number of CD symbols was 23.19 (S.D.=3.46) for 0-30s, 21.11 (S.D.=3.75) for ... Read more >>

Arch Clin Neuropsychol (Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists)
[2006, 21(7):705-709]

Cited: 2 times

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Wechsler Adult Intelligence Scale-III inter-subtest scatter: a comparison of brain-damaged patients and normal controls.

Joseph J Ryan, Heather A Tree, Jeri Morris, Samuel T Gontkovsky,

This study assessed the validity of Wechsler Adult Intelligence Scale-Third Edition (WAIS-III) inter-subtest scatter (as measured by the scaled score range) as an indication of cognitive impairment due to brain dysfunction. Participants were 174 individuals with documented brain damage. Means for age, education, and WAIS-III full-scale IQ were 49.19 years ... Read more >>

J Clin Psychol (Journal of clinical psychology)
[2006, 62(10):1319-1326]

Cited: 6 times

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WAIS-III Digit Symbol-Incidental Learning base rates: findings for college student and patient samples.

Summer Schnakenberg-Ott, Joseph J Ryan, Heather A Tree,

Frequencies for Pairing and Free Recall of the WAIS-III Digit Symbol-Incidental Learning procedure were determined separately for 104 college students and 73 patients with substance abuse disorders. Means for age and education were 22.2 yr. (SD=5.1) and 14.7 yr. (SD=1.0) and 46.0 yr. and 12.2 yr. (SD=9.4), respectively. Base rate ... Read more >>

Percept Mot Skills (Perceptual and motor skills)
[2004, 99(3 Pt 1):903-908]

Cited: 1 time

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Wechsler Adult Intelligence Scale-Third Edition Picture Arrangement subtest: impact of vertical administration.

Joseph J Ryan, Heather A Tree, Lori J Miller,

We compared the Wechsler Adult Intelligence Scale-Third Edition Picture Arrangement (PA) scores via standard administration (SA) or vertical administration (VA). Fifty-seven college students were assigned to one of two conditions. Thirty SAs had means for age, education, and American College Testing (ACT) of 19.47 (SD = 1.14), 13.60 (SD = ... Read more >>

Appl Neuropsychol (Applied neuropsychology)
[2004, 11(4):215-217]

Cited: 0 times

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