A Dictionary of Neurological Signs: Clinical Neurosemiology by A.J. Larner

By A.J. Larner

While so much textbooks of neurology procedure the topic from both a symptomatic or a diagnostic perspective, this dictionary specializes in many of the neurological symptoms that could be elicited via history-taking and actual exam. greater than six hundred dependent and cross-referenced definitions are supplemented, the place applicable, with the neuroanatomical and neurophysiological foundation of every one signal. therefore the semiological price of symptoms is elucidated in a means which makes an attempt to combine scientific phenomenology with underlying neurobiology, hence guiding anatomical and pathological prognosis and acceptable remedy. This booklet might be of curiosity to all scholars of neurology, undergraduate and postgraduate, in addition to more matured clinicians, together with normal physicians and common practitioners, and participants of ancillary professions who deal with sufferers with neurological affliction.

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These fibres run in the corticopontocerebellar tract, synapsing in the pons before passing through the middle cerebellar peduncle to the contralateral cerebellar hemisphere. Triple ataxia, the rare concurrence of cerebellar, sensory and optic types of ataxia, may be associated with an alien limb phenomenon (sensory type). g. alcohol, phenytoin Metabolic: vitamin E deficiency, thiamine deficiency (Wernicke’s encephalopathy), hypothyroidism (debatable) Wood NW, Harding AE. Ataxic disorders. ). Neurology in Clinical Practice: Principles of Diagnosis and Management.

In functional paraplegic weakness neither leg is raised, and in functional hemiplegia only the normal leg is raised. [Cross References: HEMIPLEGIA; HOOVER’S SIGN; PARAPLEGIA] Balint’s Syndrome Balint’s syndrome (first described in 1909) consists of the triad of: 1) “psychic paralysis of gaze”, an inability to direct voluntary eye movements to visual targets, probably a form of oculomotor apraxia; - 34 - Ballism, Ballismus Belle Indifference 2) optic ataxia; 3) simultanagnosia (dorsal type). Loss of spontaneous blinking has also been reported.

Since the light reflex is lost, testing for the accommodation reaction may be performed with the pupil directly illuminated: this can make it easier to see the response to accommodation, which is often difficult to observe when the pupil is small or in individuals with a dark iris. There may be an incomplete response to mydriatic drugs. Although pupil involvement is usually bilateral, it is often asymmetric, causing anisocoria. The Argyll Robertson pupil was originally described in the context of neurosyphilis, especially tabes dorsalis.

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