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  2. Migrainous infarction - Wikipedia

    en.wikipedia.org/wiki/Migrainous_infarction

    A migrainous infarction is a rare type of ischaemic stroke which occurs in correspondence with migraine aura symptoms. [1] Symptoms include headaches, visual disturbances, strange sensations and dysphasia, all of which gradually worsen causing neurological changes which ultimately increase the risk of an ischaemic stroke. [2]

  3. Computed tomography of the head - Wikipedia

    en.wikipedia.org/.../Computed_tomography_of_the_head

    Magnetic resonance imaging (MRI) of the head provides superior information as compared to CT scans when seeking information about headache to confirm a diagnosis of neoplasm, vascular disease, posterior cranial fossa lesions, cervicomedullary lesions, or intracranial pressure disorders. [9]

  4. Headache - Wikipedia

    en.wikipedia.org/wiki/Headache

    MRI of head with or without contrast Headache with suspected meningitis: CT or MRI without contrast Severe headache in pregnancy: CT or MRI without contrast Severe unilateral headache caused by possible dissection of carotid or arterial arteries: MRI of head with or without contrast, magnetic resonance angiography or Computed Tomography ...

  5. Scintillating scotoma - Wikipedia

    en.wikipedia.org/wiki/Scintillating_scotoma

    Scintillating scotomas are most commonly caused by cortical spreading depression, a pattern of changes in the behavior of nerves in the brain during a migraine. Migraines, in turn, may be caused by genetic influences and hormones. People with migraines often self-report triggers for migraines involving stress or foods, [9] or bright lights. [10]

  6. Magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Magnetic_resonance_imaging

    Patient being positioned for MR study of the head and abdomen. MRI has a wide range of applications in medical diagnosis and around 50,000 scanners are estimated to be in use worldwide. [25] MRI affects diagnosis and treatment in many specialties although the effect on improved health outcomes is disputed in certain cases. [26] [27]

  7. Neuroimaging - Wikipedia

    en.wikipedia.org/wiki/Neuroimaging

    Structural magnetic resonance imaging (structural MRI) of a head, from top to base of the skull. The first chapter of the history of neuroimaging traces back to the Italian neuroscientist Angelo Mosso who invented the 'human circulation balance', which could non-invasively measure the redistribution of blood during emotional and intellectual activity.

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