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Clouding of consciousness. Clouding of consciousness, also called brain fog or mental fog, [1] [2] occurs when a person is slightly less wakeful or aware than normal. [3] They are less aware of time and their surroundings, and find it difficult to pay attention. [3] People describe this subjective sensation as their mind being "foggy".
Reports of stupor-like and catatonia-like states abound in the history of psychiatry. [67] After the middle of the 19th century there was an increase of interest in the motor disorders accompanying madness, [ 68 ] culminating in the publication by Karl Ludwig Kahlbaum in 1874 of Die Katatonie oder das Spannungsirresein ("Catatonia or Tension ...
Stupor. A patient in catatonic stupor. Specialty. Neurology, Psychiatry. Stupor is the lack of critical mental function and a level of consciousness, in which an affected person is almost entirely unresponsive and responds only to intense stimuli such as pain. [ 1] The word derives from the Latin stupor ("numbness, insensibility").
An altered level of consciousness is any measure of arousal other than normal. Level of consciousness ( LOC) is a measurement of a person's arousability and responsiveness to stimuli from the environment. [1] A mildly depressed level of consciousness or alertness may be classed as lethargy; someone in this state can be aroused with little ...
Coma. A coma is a deep state of prolonged unconsciousness in which a person cannot be awakened, fails to respond normally to painful stimuli, light, or sound, lacks a normal wake-sleep cycle and does not initiate voluntary actions. [1] The person may experience respiratory and circulatory problems due to the body's inability to maintain normal ...
Locked-in syndrome ( LIS ), also known as pseudocoma, is a condition in which a patient is aware but cannot move or communicate verbally due to complete paralysis of nearly all voluntary muscles in the body except for vertical eye movements and blinking. [ 3] The individual is conscious and sufficiently intact cognitively to be able to ...
Waxy flexibility is a specific symptom of catatonia. It refers to the patient's body showing resistance to being moved. Alteration of an individual's posture is similar to bending a warm candle. [ 5] Waxy flexibility often develops with other symptoms of catatonia, including: Immobility: showing no signs of motion [ 6]
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