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Fear-Induced Hallucination How Sleep Paralysis Triggers Hallucination I researched the web to find out how hallucination starts during an episode of Sleep Paralysis As I have written in my previous paper a Sleep Paralysis although often believed as an evils work results from some errors of the neural transmission in the brain during REM sleep 1 During a frightening state of Sleep Paralysis one experiences total body immobility and cannot speak or move besides little eye movements and respiration 2 3 Often the paralysis is accompanied with visual andor auditory hallucination 2 3 How does Sleep Paralysis trigger hallucination In order to answer this question I have referred to my personal experience of seeing stars after doing handstand According to Dr Grobstein as I stand on my hands the blood rushes into my brain and causes the membrane potential of the neurons to change 4 The change triggers firing of the neurons in the brain most likely in the visual cortex in this case without any external stimuli and I see the stars that do not really exist as a result 4 From this observation I have predicted that hallucination during Sleep Paralysis also occurs due to the sudden high blood pressure in the brain and the change in the membrane potential of the neurons in the visual andor auditory cortex For one feels mortal fear under the state of paralysis I also expect that the terror or panic somehow increase the blood pressure in the brain I have built an explanation for the phenomenon based on an assumption that the extreme fright causes the change in membrane potential The emotion of fear is perceived in a structure called amygdala in the brain 5 6 7 It is a small almond looking structure deep inside the brain and has several distinct nuclei including medial lateral basal and central 5 6 The lateral nucleus seems to receive input from thalamus and cortical sensory and
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