apraxias/atrophy

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Apraxia in corticobasal degeneration.

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Ingia / Ingia

Corticobasal degeneration (CBD) is a degenerative disease that often presents with an asymmetric progressive ideomotor limb apraxia. Some apraxic subjects may fail to perform skilled purposive movements on command because they have lost the memories or representations that specify how these

Neural and cognitive bases of upper limb apraxia in corticobasal degeneration.

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Ingia / Ingia

OBJECTIVE To investigate the neural and cognitive bases of upper limb apraxia in corticobasal degeneration (CBD). METHODS Eighteen patients with CBD underwent a cognitive neuropsychological assessment of apraxia and resting [(18)F]-fluorodeoxyglucose PET scanning. Two complementary measures of

Brain abnormalities underlying limb apraxia in corticobasal degeneration: an fMRI study.

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Ingia / Ingia

Corticobasal degeneration is a neurodegenerative disease characterized, by cortical dysfunction and extrapyramidal signs. The most consistent symptom is a unilateral limb apraxia, which consists of an isolated disorder of gestural production involving primarily the upper limb. The objective of this

[An apraxia of eyelid closure in association with frontal lobe atrophy in a patient with amyotrophic lateral sclerosis].

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Ingia / Ingia

A 57 year-old woman with amyotrophic lateral sclerosis (ALS) and an apraxia of eyelid closure was reported. Her first symptom was muscle weakness in the right arm. Since neurological examination showed mainly upper motor neuron sign with neurogenic pattern in the needle electromyograms of the tongue

Gestural imitation and limb apraxia in corticobasal degeneration.

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Ingia / Ingia

Limb apraxia is a common symptom of corticobasal degeneration (CBD). While previous research has shown that individuals with CBD have difficulty imitating transitive (tool-use actions) and intransitive non-representational gestures (nonsense actions), intransitive representational gestures (actions

Degeneration of the corticofugal tract from the secondary motor area in a Parkinson's disease patient with limb-kinetic apraxia: A case report.

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Ingia / Ingia

BACKGROUND In this case report, we describe a Parkinson's disease (PD) patient with limb-kinetic apraxia (LKA) in whom degeneration of the corticofugal tract (CFT) from the supplementary motor area (SMA) was observed in diffusion tensor tractography (DTT). UNASSIGNED A 63-year-old woman presented

The nature of apraxia in corticobasal degeneration.

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Ingia / Ingia

Although apraxia is one of the most frequent signs in corticobasal degeneration, the phenomenology of this disorder has not been formally examined. Hence 10 patients with corticobasal degeneration were studied with a standardised evaluation for different types of apraxia. To minimise the confounding

Truncal and limb apraxia in corticobasal degeneration.

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Ingia / Ingia

We report a patient with probable corticobasal degeneration with prominent truncal apraxia, and review the literature.

Delayed Onset Eye Opening Apraxia due to Progression of Brain Atrophy following Subthalamic Nucleus Deep Brain Stimulation: A Case Report.

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Ingia / Ingia

Eye opening apraxia (EOA) has been described in literature as a complication of deep brain stimulation (DBS), especially after electrode implantation in the subthalamic nucleus (STN). EOA can be either worsened or alleviated by DBS depending on the etiology. Herein, we report a rare case where the

Dyspraxia in a patient with corticobasal degeneration: the role of visual and tactile inputs to action.

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Ingia / Ingia

OBJECTIVE To investigate the roles of visual and tactile information in a dyspraxic patient with corticobasal degeneration (CBD) who showed dramatic facilitation in miming the use of a tool or object when he was given a tool to manipulate; and to study the nature of the praxic and neuropsychological

Focal cortical hypoperfusion in corticobasal degeneration demonstrated by three-dimensional surface display with 123I-IMP: a possible cause of apraxia.

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Ingia / Ingia

To clarify cortical lesions responsible for apraxia in cortico-basal degeneration (CBD), we reconstructed three-dimensional surface images from single-photon emission computed tomography (SPECT) data with N-isopropyl-p[I-123]-iodoamphetamine in two patients with CBD. Both had limb-kinetic apraxia

Ideomotor and ideational apraxia in corticobasal degeneration: a case study.

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Ingia / Ingia

Corticobasal degeneration (CBD) is a progressive disorder that can be characterised by asymmetrical akinetic rigidity, involuntary movements, cortical sensory loss, alien limb syndrome and asymmetrical apraxia (Gibb et al., 1989; Rinnie et al., 1994). Diagnosis of praxic disabilities is thought to

Asymmetric changes in somatosensory evoked potentials correlate with limb apraxia in corticobasal degeneration.

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Ingia / Ingia

To clarify the underlying mechanism of limb apraxia in corticobasal degeneration (CBD), we investigated somatosensory evoked potentials in 5 patients with CBD, as compared with 12 age-matched control subjects. All patients presented with asymmetric limb apraxia, particularly of limb-kinetic type.

[Congenital oculomotor apraxia with corpus callosum agenesis and subtentorial atrophy].

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Ingia / Ingia

A 7 year-old child with congenital oculomotor apraxia (Cogan's syndrome) presented with mainly voluntary horizontal saccadic movements. Fixation of a visual target could be obtained only by a sudden movement of the head preceded by eyelid blinking. Electro-oculography confirmed the predominant

[Progressive limb-kinetic apraxia with myoclonus focal atrophy in the postcentral gyrus and the supplementary motor area].

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Ingia / Ingia

We report a 70-year-old right handed man with a 5-year history of slowly progressive clumsiness of his left hand. A neurological examination disclosed mild rigidity and myoclonus in his left hand. He showed limb-kinetic apraxia, but neither ideational apraxia nor ideomotor apraxia was present.

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