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M Gómez-Beldarrain

Publications and source records attributed to M Gómez-Beldarrain.

4 recordsLinked to original sources
PubMed2004

[Acute confusional state secondary to transient headache and neurological deficits with cerebrospinal fluid lymphocytosis].

Pseudomigraine with pleocytosis (now referred to as syndrome of transient headache and neurological deficits with cerebrospinal fluid lymphocytosis, IHS ICHD-II code 7.8) is only infrequently accompanied by a confusional state and no cases have been described so far in association with severe agitation. We report on a patient who suffered from two episodes of headache with transient focal neurological deficits that were consistent with pseudomigraine with pleocytosis but that were followed by an intense confusional, agitated state that required admission in the intensive care unit. This possibility should be included in the differential diagnosis of confusional, agitated states.

Acute Disease↗
PubMed1998

Effect of focal cerebellar lesions on procedural learning in the serial reaction time task.

Prior studies have shown that procedural learning is severely impaired in patients with diffuse cerebellar damage (cortical degeneration) as measured by the serial reaction time task (SRTT). We hypothesize that focal cerebellar lesions can also have lateralized effects on procedural learning. Our objective was to assess the effects of focal cerebellar lesions in procedural learning as measured by the SRTT. We studied 14 patients with single, unilateral vascular lesions in the territory of the posterior-inferior or superior cerebellar artery, who were compared with ten age- and sex-matched controls in a one-handed version of the SRTT. Patients with lesions at any other level of the brain or posterior fossa were excluded by cranial magnetic resonance imaging. Our results show that patients do not acquire procedural knowledge when performing the task with the hand ipsilateral to the lesion, but show normal learning with the contralateral hand. No correlation was found with the side, size, or vascular territory of the lesion. We conclude that procedural learning is impaired in hemispheric cerebellar lesions and involves only the hand ipsilateral to the lesion, which suggests a critical role for the cerebellum and/or crossed cerebellar-prefrontal connections in this type of learning.

Adult↗