Alejandro Guerra

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The main purpose of this work is to explore the application of Memory Based Reasoning (MBR) to adaptive behavior in agents. We discuss the design of an interface agent for e-mail management assistance as a prototype for the experimental assesment of an MBR learning algorithm performance. Results are discussed and a brief summary of conclusions follows, as(More)
Brainstem encephalitis caused by Listeria monocytogenes is an uncommon form of central nervous system listeriosis; however, it is the most common presentation in immunocompetent individuals. Here, we describe an even more rare combination of rhombencephalitis with severe myelitis caused by L. monocytogenes in an immunocompetent patient. We report the case(More)
Meningovascular neurosyphilis with basilar artery thrombosis, a case report and literature review Herein a case is described of a 54-years old patient, HIV negative, with cerebro-vascular disease by basilar artery thrombosis secondary to meningovascular neurosyphilis. Neurosyphilis is the impairment at any stage of the central nervous system by Treponema(More)
Brainstem encephalitis and myelitis due to Listeria monocytogenes: a case report and literature review Brainstem encephalitis caused by Listeria monocytogenes is an uncommon form of central nervous system listeriosis; however, it is the most common presentation in immunocompetent individuals. Here, we describe an even more rare combination of(More)
Herein a case is described of a 54-years old patient, HIV negative, with cerebro-vascular disease by basilar artery thrombosis secondary to meningovascular neurosyphilis. Neurosyphilis is the impairment at any stage of the central nervous system by Treponema pallidum subspecies pallidum and includes asymptomatic and symptomatic forms of infection. The(More)
We describe the case of a 34-year-old male patient, who was referred to the Instituto Neurológico de Colombia with probable Guillain-Barré syndrome, requiring intensive care management. The presence of cognitive alterations during his evolution, lead the team to reconsider the initial diagnosis for the Bickerstaff's brainstem encephalitis diagnosis. We aim(More)
En este artículo se presenta el caso clínico de un paciente de sexo masculino de 34 años que fue remitido al Instituto Neurológico de Colombia e internado en la unidad de cuidados intensivos neurológicos, por la sospecha inicial de un síndrome de Guillain-Barré. La presencia de alteraciones cognitivas durante su evolución, llevó a reconsiderar el(More)
INTRODUCTION A paraneoplastic syndrome characterized by neuropsychiatric symptoms, involuntary movements and seizures has been recently associated with antibodies targeting NMDA (N-methyl-D-aspartate) receptor in patients with an ovarian teratoma. Severe neurological impairment is frequent and treatment in the intensive care unit is often required because(More)
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