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A vestibular schwannoma (VS), also called acoustic neuroma, is a benign tumor that develops on the vestibulocochlear nerve that passes from the inner ear to the brain. The tumor originates when Schwann cells that form the insulating myelin sheath on the nerve malfunction. Normally, Schwann cells function beneficially to protect the nerves which ...
Vestibular rehabilitation (VR), also known as vestibular rehabilitation therapy (VRT), is a specialized form of physical therapy used to treat vestibular disorders or symptoms, characterized by dizziness, vertigo, imbalance, posture, and vision. These primary symptoms can result in secondary symptoms such as nausea, fatigue, and difficulty ...
Micrograph of a schwannoma, a tumor seen in neurofibromatosis type II. HPS stain. Schwannoma of the N. Vestibularis Meningiomas in a person with NFII. The so-called acoustic neuroma of NF2 is in fact a schwannoma of the nervus vestibularis, or vestibular schwannoma. The misnomer of acoustic neuroma is still often used.
The spinocerebellum integrates visual, auditory, proprioceptive, and balance information to act out body and limb movements. It receives input from the trigeminal nerve, dorsal column (of the spinal cord), midbrain, thalamus, reticular formation and vestibular nuclei outputs [clarification needed].
Increased muscle tone, development of the proprioceptive and vestibular senses and opportunities to practice with balance are all consequences of this reflex. During early childhood, the TLR matures into more developed vestibulospinal reflexes to help with posture, head alignment and balance. [10] The tonic labyrinthine reflex is found in two ...
Sensory information used for postural control largely comes from visual, proprioceptive, and vestibular systems. [2] While the ability to regulate posture in vertebrates was previously thought to be a mostly automatic task, controlled by circuits in the spinal cord and brainstem, it is now clear that cortical areas are also involved, updating ...
Acoustic neuroma (vestibular schwannoma) – benign neoplasm of Schwann cells affecting the vestibulocochlear nerve; Meningioma – benign tumour of the pia and arachnoid mater; Ménière's disease – causes sensorineural hearing loss in the low frequency range (125 Hz to 1000 Hz).
Motion sickness/motion intolerance: a disjunction between visual stimulation, vestibular stimulation, and/or proprioception; Visual exposure to nearby moving objects (examples of optokinetic stimuli include passing cars and falling snow) Other diseases: (labyrinthitis, Ménière's disease, and migraine, [27] etc.)