نتایج جستجو برای: double dissociation

تعداد نتایج: 277234  

Journal: :Journal of cognitive neuroscience 1995
A E Hillis A Caramazza

We report the performance of a patient who, as a consequence of left frontal and temporoparietal strokes, makes far more errors on nouns than on verbs in spoken output tasks, but makes far more errors on verbs than on nouns in written input tasks. This double dissociation within a single patient with respect to grammatical category provides evidence for the hypothesis that phonological and orth...

Journal: :Neurology 2006
S Ortigue P Mégevand F Perren T Landis O Blanke

BACKGROUND Although perceptual and representational neglect are frequently associated, the demonstration of a double dissociation between both neglect forms suggests that both rely on different central mechanisms. In addition, perceptual neglect can be selectively observed within personal space or extrapersonal space. However, it is not known whether the latter dissociation also exists in repre...

2001
Eduardo C. Meurer Luiz Alberto B. Moraes Marcos N. Eberlin

Gas phase reactions of mass-selected acylium ions [CH3–C ¢O (1), CH2¢CH–C ¢O (2), C6H5–C ¢O (3), and (CH3)2N–C ¢O (4)] with nitriles (CH3CN, C2H5CN, CH2¢CHCN, and C6H5CN) were investigated using pentaquadrupole multiple-stage mass spectrometry. In analogy with the solution behavior, the ions were found to react readily with benzonitrile by cyclization via double nitrile addition to form aromati...

2002
Uzi Landman

The energetics, geometrical and electronic structure, ionization processes, dynamics, and dissociation pathways of neutral and singly and doubly ionized water dimers are investigated with simulations employing the BomOppenheimer local-spin-density functional molecular dynamies (BO-LSD-MD) method. Vertical and adiabatic ionization potentials and dissociation energies and barriers are calculated ...

1998
Sylvia Chen Elizabeth Bates

Studies in English and Italian have shown that non-fluent Broca’s aphasics find it more difficult to produce verbs than nouns, while some fluent patients (including Wernicke's aphasics and anomics) show the opposite profile. Explanations for this double dissociation include grammatical accounts (e.g. verb deficits reflect differences in morphological and/or syntactic complexity), semantic-conce...

Journal: :international journal of high risk behaviors and addiction 0
mohsen kianpoor department of psychiatry and clinical psychology, research center for health of adolescents and children, zahedan university of medical sciences, zahedan, ir iran; department of psychiatry and clinical psychology, research center for health of adolescents and children, zahedan university of medical sciences, zahedan, ir iran. tel: +985414522637, fax: +98-5414522637 nour-mohammad bakhshani department of psychiatry and clinical psychology, research center for health of adolescents and children, zahedan university of medical sciences, zahedan, ir iran

epidemiological studies and clinical findings have shown an association between trauma and dissociation; dissociative experiences are also more prevalent among select populations such as substance dependent individuals and criminal offenders. in the present non-systematic review, we explored the association between trauma, dissociation, and high-risk behaviors. we aimed to find if the presence ...

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