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In other clinical sub-forms of migraine headache may be absent and the migraine aura may not take the typical form of the zigzagged fortification spectrum (scintillating scotoma), but manifests with a large variety of focal neurological symptoms. [25] Visual snow does not depend on the effect of psychotropic substances on the brain. [13]
Individuals with exploding head syndrome hear or experience loud imagined noises as they are falling asleep or are waking up, have a strong, often frightened emotional reaction to the sound, and do not report significant pain; around 10% of people also experience visual disturbances like perceiving visual static, lightning, or flashes of light.
Heavy-headedness is the feeling of faintness, dizziness, or feeling of floating, wooziness. [1] [2] [3] Individuals may feel as though their head is heavy; also feel as though the room is moving/spinning also known as vertigo. Some causes of heavy-headedness can be tough to get rid of and can last a long period of time, however most can be treated.
Here, experts explain why your head feels heavy. Plus, learn the causes for why your head might feel heavy, treatment options, and when to see a doctor.
Similar brief shocks can be experienced when any other nerve is tweaked (e.g. a pinched neck nerve may cause a brief shock-like paresthesia toward the scalp). In the older age group, spinal column irregularities may tweak the spinal cord briefly when the head or back is turned, flexed, or extended into brief uncommon positions (Lhermitte's sign).
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
South London and Maudsley NHS Foundation Trust, also known as SLaM, is an NHS foundation trust based in London, England, which specialises in mental health.It comprises four psychiatric hospitals (Bethlem Royal Hospital, Lambeth Hospital and the Maudsley Hospital), the Ladywell Unit based at University Hospital Lewisham, and over 100 community sites and 300 clinical teams. [3]
If another blow to the head occurs after a concussion but before its symptoms have gone away, there is a slight risk of developing the serious second-impact syndrome (SIS). [ 62 ] [ 63 ] In SIS, the brain rapidly swells , greatly increasing intracranial pressure . [ 62 ]