Neurocognitive functioning of a child with partial trisomy 6 and monosomy 21.

abstract：:Previous research suggests that the noradrenergic system modulates flexibility of access to the lexical-semantic network, with propranolol benefiting normal subjects in lexical-semantic problem solving tasks. Patients with Broca's aphasia with anomia have impaired ability to access appropriate verbal output for a give...

journal_title：Neurocase

authors： Beversdorf DQ,Sharma UK,Phillips NN,Notestine MA,Slivka AP,Friedman NM,Schneider SL,Nagaraja HN,Hillier A

更新日期：2007-08-01 00:00:00

abstract：:A deficit of declarative memory is a common sequela after a hypoxic episode. While the role of gray matter changes (i.e., atrophy of hippocampal formation) as mainly responsible for memory loss has been emphasized, the role of the white matter damage has so far been neglected. The present study was aimed at evaluating...

journal_title：Neurocase

authors： Di Paola M,Moscatelli A,Bigler ED,Caltagirone C,Carlesimo GA

更新日期：2011-02-01 00:00:00

abstract：:According to Liepmann, patients with limb-kinetic apraxia (LKA) have a loss of upper limb deftness-dexterity. Prior studies have revealed in right-handed patients that, whereas injury of the left hemisphere induces an ipsilesional LKA, injury to the right hemisphere does not induce an ipsilesional LKA. There are at le...

journal_title：Neurocase

authors： Acosta LM,Bennett JA,Heilman KM

更新日期：2014-01-01 00:00:00

abstract：:In this paper, we adopt a neurodevelopmental stance to examining frontal variant frontotemporal dementia (fv-FTD) by using experimental procedures from the literature on the growth of social behaviour in children to examine the deficits in social reasoning which may underpin behavioural disturbance in fv-FTD. We prese...

journal_title：Neurocase

authors： Lough S,Gregory C,Hodges JR

更新日期：2001-01-01 00:00:00

abstract：:The delay between cardiac arrest and brain MRI is usually extremely different in the few cerebral imaging studies assessing the affected brain areas. We report an unusual case of loss of psychic self-activation appeared immediately after a cardiac arrest in a middle age patient. The first brain MRI, one month after th...

journal_title：Neurocase

authors： Martinaud O,Le Goff F,Carlier J,Pouliquen D,Gérardin E,Savouré A

更新日期：2019-01-01 00:00:00

abstract：:This article describes an investigation into the residual writing skills of a severely dysgraphic patient (DA). We found that they were powerfully influenced by a number of lexical variables (lexicality, frequency, imageability, length and geminates). His error pattern was characterized by semantic, lexical, substitut...

journal_title：Neurocase

authors： Cipolotti L,Bird CM,Glasspool DW,Shallice T

更新日期：2004-12-01 00:00:00

abstract：:We report the case of a 71 year-old female patient (DC) with a left parietal lesion resulting in a peripheral dysgraphia essentially characterized by difficulties in letter sequences writing. The aim of our experiments was to analyze the influence of motor difficulties on the visual perception of both writing and reac...

journal_title：Neurocase

authors： Chary C,Méary D,Orliaguet JP,David D,Moreaud O,Kandel S

更新日期：2004-06-01 00:00:00

abstract：:It has been suggested that formal thought disorder, the incoherent speech of schizophrenia, may involve a language disturbance among other abnormalities, or even be a form of dysphasia. Six patients with and seven without formal thought disorder were evaluated on an aphasia test battery. Spontaneous speech was also an...

journal_title：Neurocase

authors： Oh TM,McCarthy RA,McKenna PJ

更新日期：2002-01-01 00:00:00

abstract：:Opsoclonus myoclonus ataxia (OMA) is a rare neurological disorder (incidence = approximately 1/5 million) primarily associated with involuntary conjugate saccadic eye movements, involuntary muscle jerks, cerebellar ataxia, and neuropsychological impairments. Unfortunately, there is limited published data regarding the...

journal_title：Neurocase

authors： Smith ML,Thawani N,Johnstone B,Stucky R

更新日期：2010-08-01 00:00:00

abstract：:We have seen a patient with a profound, isolated, and quite selective deficit in proverb interpretation-aproverbia. The patient presented to us after an anoxic brain injury with aproverbia. Interestingly, the aproverbia appeared to be premorbid to the presenting event. Furthermore, the patient had no brain lesion that...

journal_title：Neurocase

authors： Brown C,Smith-Benjamin S,Patira R,Altschuler EL

更新日期：2016-06-01 00:00:00

abstract：:The brain's primary motor and primary somatosensory cortices are generally viewed as functionally distinct entities. Here we show by means of magnetoencephalography with a phantom-limb patient, that movement of the phantom hand leads to a change in the response of the primary somatosensory cortex to tactile stimulatio...

journal_title：Neurocase

authors： McGeoch PD,Brang D,Huang M,Ramachandran VS

更新日期：2015-02-01 00:00:00

abstract：:The semantic variant of primary progressive aphasia (PPA-S) is characterized by impairments in confrontation naming and single word comprehension. Although episodic memory may be relatively spared, there can be impairment in verbal learning tasks. We report a patient with PPA-S and impaired verbal learning who was tes...

journal_title：Neurocase

authors： Milano NJ,Williamson JB,Heilman KM

更新日期：2015-01-01 00:00:00

abstract：:The clinical distinction between autism spectrum disorders (ASD), also called pervasive developmental disorders (PDD), and schizophrenia is often difficult to make. Here we describe a case of an adult patient presenting with a diagnosis of schizophrenia based on a history of functional deterioration and presumed perse...

journal_title：Neurocase

authors： Crivelli B,Rocca P

更新日期：2013-01-01 00:00:00

abstract：:We summarize two case studies as a context for discussing the use of neuroimaging as a convergent methodology in the study of neuroplasticity in single subjects. Throughout this paper we argue for a different approach for including neuroimaging in these types of study. Previous case studies of neuroplasticity in patie...

journal_title：Neurocase

authors： Romero SG,Manly CF,Grafman J

更新日期：2002-01-01 00:00:00

abstract：:We examined the relations between selection for perception and selection for action in a patient FK, with bilateral damage to his temporal and medial frontal cortices. The task required a simple grasp response to a common object (a cup) in the presence of a distractor (another cup). The target was cued by colour or lo...

journal_title：Neurocase

authors： Boutsen L,Humphreys GW

更新日期：2003-06-01 00:00:00

abstract：:The noradrenergic system modulates performance on tasks dependent on semantic and associative network flexibility (NF) in individuals without neurodevelopmental diagnoses in experiments using a beta-adrenergic antagonist, propranolol. Some studies suggest drugs decreasing noradrenergic activity are beneficial in ASD. ...

journal_title：Neurocase

authors： Beversdorf DQ,Carpenter AL,Miller RF,Cios JS,Hillier A

更新日期：2008-01-01 00:00:00

abstract：:Individuals with posterior cortical atrophy (PCA) report a host of unusual and poorly explained visual disturbances. This preliminary report describes a single patient (CRO), and documents and investigates abnormally prolonged colour afterimages (concurrent and prolonged perception of colours complimentary to the colo...

journal_title：Neurocase

authors： Crutch SJ,Lehmann M,Gorgoraptis N,Kaski D,Ryan N,Husain M,Warrington EK

更新日期：2011-01-01 00:00:00

abstract：:Metamemory is a multifaceted concept, which deals with an individual's knowledge and control of his or her own memory system. The ability to monitor memory performance accurately was examined in 16 patients with Alzheimer's disease (AD), 6 patients with frontotemporal lobe dementia (FTD) and 16 elderly subjects. Parti...

journal_title：Neurocase

authors： Souchay C,Isingrini M,Pillon B,Gil R

更新日期：2003-12-01 00:00:00

abstract：:A 62-year-old male presented with progressive isolated writing and spelling difficulties. Neurological, neuropsychological, speech, and language evaluations identified only minimal additional abnormalities. The presenting characteristics did not meet criteria for any particular variant of primary progressive aphasia; ...

journal_title：Neurocase

authors： Utianski RL,Duffy JR,Savica R,Whitwell JL,Machulda MM,Josephs KA

更新日期：2018-04-01 00:00:00

abstract：:Recent research revealed decreased access to semantic and associative networks in acute cocaine withdrawal. In autism, such behavioral outcomes are associated with decreased functional connectivity using functional magnetic resonance imaging. Therefore, we wished to determine whether connectivity is also decreased in ...

journal_title：Neurocase

authors： Narayanan A,White CA,Saklayen SS,Abduljalil A,Schmalbrock P,Pepper TH,Lander BN,Beversdorf DQ

更新日期：2012-01-01 00:00:00

abstract：:Patients with Parkinson's disease (PD) are often impaired when performing motor acts and in the acquisition of new motor skills. However, the role of dopamine in developing plans for skill acquisition is unclear. To assess the role of dopamine on the planning of actions, we tested 12 PD and 12 matched normal participa...

journal_title：Neurocase

authors： Hanna-Pladdy B,Heilman KM

更新日期：2010-04-01 00:00:00

abstract：:This paper reports the case of a patient, M.P., who developed delusion of inanimate doubles, without Capgras syndrome, after traumatic brain injury. His delusional symptoms were studied longitudinally and the cognitive impairments associated with delusion were investigated. Data suggest that M.P. did 'perceive' the ac...

journal_title：Neurocase

authors： Abbate C,Trimarchi PD,Salvi GP,Quarenghi AM,Vergani C,Luzzatti C

更新日期：2012-01-01 00:00:00

abstract：:The impact of epileptiform activity on the functional organization of various cortical regions is currently a widely discussed topic. Our patient, suffering from left-sided temporal lobe epilepsy with typical mesiotemporal sclerosis, had a remarkable history of a clear-cut handedness shift in early childhood. In this ...

journal_title：Neurocase

authors： Chlebus P,Brázdil M,Hlustík P,Mikl M,Pazourková M,Krupa P

更新日期：2004-08-01 00:00:00

abstract：:It is a common finding in tests of false recognition that amnesic patients recognize fewer related lures than healthy controls, and this has led to assumptions that gist memory is damaged in these patients (Schacter, Verfaellie, & Anes, 1997, Neuropsychology, 11; Schacter, Verfaellie, Anes, & Racine, 1998, Journal of ...

journal_title：Neurocase

authors： Nissan J,Abrahams S,Sala SD

更新日期：2013-01-01 00:00:00

abstract：:Studies of patients with brain lesions have demonstrated that language and praxis are mediated by dissociable networks. However, language has the capacity to influence the selection of purposeful actions. The abilities to use language and to program purposeful movements are often mediated by networks that have anatomi...

journal_title：Neurocase

authors： Falchook AD,Burtis DB,Acosta LM,Salazar L,Shushrutha Hedna V,Khanna AY,Heilman KM

更新日期：2014-06-01 00:00:00

abstract：:Cerebral lesions are held to induce plastic changes of the brain. Less well established, however, is how much space-occupying brain lesions may only displace functional representations. In a 66-year-old man we show, by means of functional magnetic resonance imaging and transcranial magnetic stimulation, a profound dis...

journal_title：Neurocase

authors： Nickel J,Jörgens S,Bussfeld P,Seitz RJ

更新日期：2007-10-01 00:00:00

abstract：:Both prosody and sentence structure (e.g., canonical versus non-canonical) affect sentence comprehension. However, few previous studies have examined a possible interaction between prosody and sentence structure. In adult controls we found a significant interaction: typical sentence prosody, versus list prosody, facil...

journal_title：Neurocase

authors： LaCroix AN,Blumenstein N,Houlihan C,Rogalsky C

更新日期：2019-01-01 00:00:00

abstract：:Neglect dyslexia is a reading disorder often associated with right-sided brain lesions. In reading single words, errors are mostly substitutions or omissions of letters that occupy the left-sided positions. Typically, these errors have been thought to depend on a single mechanism. Conversely, we propose that they are ...

journal_title：Neurocase

authors： Martelli M,Arduino LS,Daini R

更新日期：2011-01-01 00:00:00

abstract：:Expanding our knowledge of the history of dementia may be beneficial for its holistic understanding. This article aims to review the trajectory of the concepts of dementia in the world and Japan. Historical backgrounds of major dementia diseases are also addressed. The first reference to "imbecility" appeared in Greec...

journal_title：Neurocase

authors： Fukui T

更新日期：2015-01-01 00:00:00

abstract：:After a unilateral brain lesion, patients may show cross-modal, visual-tactile extinction. Such patients may fail to report tactile stimuli on the contralesional hand when presented together with competing visual stimuli near the ipsilesional hand. In this work we tested the hypothesis that this cross-modal extinction...

journal_title：Neurocase

authors： Maravita A,Clarke K,Husain M,Driver J

更新日期：2002-01-01 00:00:00