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  2. Brainstem - Wikipedia

    en.wikipedia.org/wiki/Brainstem

    Localizing neurological lesions in the brainstem may be very precise, although it relies on a clear understanding on the functions of brainstem anatomical structures and how to test them. Brainstem stroke syndrome can cause a range of impairments including locked-in syndrome. Duret haemorrhages are areas of bleeding in the midbrain and upper ...

  3. Human brain - Wikipedia

    en.wikipedia.org/wiki/Human_brain

    The brainstem includes the midbrain, the pons, and the medulla oblongata. Behind the brainstem is the cerebellum (Latin: little brain). [7] The cerebrum, brainstem, cerebellum, and spinal cord are covered by three membranes called meninges. The membranes are the tough dura mater; the middle arachnoid mater and the more delicate inner pia mater.

  4. Brain death - Wikipedia

    en.wikipedia.org/wiki/Brain_death

    The exams must show complete and irreversible absence of brain function (brain stem function in UK), [23] and may include two isoelectric (flat-line) EEGs 24 hours apart (less in other countries where it is accepted that if the cause of the dysfunction is a clear physical trauma there is no need to wait that long to establish irreversibility ...

  5. Midbrain - Wikipedia

    en.wikipedia.org/wiki/Midbrain

    Brainstem (dorsal view) A:Thalamus B:Midbrain C:Pons D:Medulla oblongata 7 and 8 are the four colliculi. The midbrain is the shortest segment of the brainstem, measuring less than 2cm in length. It is situated mostly in the posterior cranial fossa, with its superior part extending above the tentorial notch. [2]

  6. Extrapyramidal system - Wikipedia

    en.wikipedia.org/wiki/Extrapyramidal_system

    reticulospinal tract: connects the reticular system, a diffuse region of gray matter in the brain stem, to the spinal cord. It also contributes to muscle tone and influences autonomic functions. lateral vestibulospinal tract: Connects the brain stem nuclei of the vestibular system with the spinal cord. This allows posture, movement, and balance ...

  7. Brainstem death - Wikipedia

    en.wikipedia.org/wiki/Brainstem_death

    Brainstem death is a clinical syndrome defined by the absence of reflexes with pathways through the brainstem – the "stalk" of the brain, which connects the spinal cord to the mid-brain, cerebellum and cerebral hemispheres – in a deeply comatose, ventilator-dependent patient.

  8. Reticular formation - Wikipedia

    en.wikipedia.org/wiki/Reticular_formation

    The reticular formation is a set of interconnected nuclei in the brainstem that spans from the lower end of the medulla oblongata to the upper end of the midbrain. [2] The neurons of the reticular formation make up a complex set of neural networks in the core of the brainstem. [3]

  9. Pre-Bötzinger complex - Wikipedia

    en.wikipedia.org/wiki/Pre-Bötzinger_complex

    The initial description of the preBötC was widely disseminated in a 1991 paper in Science, [1] but its discovery predates that paper by one year. [2] The team was led by Jack L. Feldman and Jeffrey C. Smith at the University of California, Los Angeles (UCLA), but the Science paper [1] also included UCLA coauthor Howard Ellenberger, as well as Klaus Ballanyi and Diethelm W. Richter from ...