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Topic: Sensory deprivation

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Altered state of consciousness

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Sleep deprivation

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	Sensory deprivation tanks defined by Samadhi Tank Co. Inc.
		Sensory deprivation tanks defined by Samadhi Tank Co. Inc.
		In the 1950s, several research projects were started that were called "sensory deprivation." In our experience in the tank ("physical isolation"), there has been no psychological state that can be termed "sensory deprivation." In the absence of sensory input (and physical output), we have found no "deprived" states except those created by Self-metaprogramming.
		Apparently the term "sensory deprivation" was invented by those psychologists who did not do self-investigation and who did experiments on subjects, expecting a "deprivation state" in the isolated circumstances.
	www.samadhitank.com /sensorydep.html (322 words)

	Centre for the Study of Human Rights - sensory deprivation installation
		In this way, she hoped to produce a new kind of sensory deprivation procedure which would simultaneously deprive and overload the senses by virtue of spatial arrangements, film, sound and light.
		These tests paved the way for governmental use of sensory deprivation techniques as a means of interrogation, as seen, for example, with the internment of IRA suspects by the British forces.
		Secondly, research into sensory deprivation techniques conducted by Harvard Medical School found that “social cue factors” such as the presence of doctors, panic buttons, trays of medication and the like induced a belief that something bad was occurring or was likely to occur.
	www.lse.ac.uk /Depts/human-rights/Multimedia/Sensory_deprivation.htm (1731 words)

	Sensory deprivation - Wikipedia, the free encyclopedia
		Sensory deprivation is the deliberate reduction or removal of stimuli from one or more of the senses.
		Sensory deprivation has been used in various alternative medicines and in psychological experiments (e.g., see Isolation tank), and for torture or punishment.
		In the television series Alias starring Jennifer Garner sensory deprivation was used on CIA agent Sydney Bristow by The Covenant in order for them to brainwash her into thinking she was someone she was not.
	en.wikipedia.org /wiki/Sensory_deprivation (973 words)

	Sensory Deprivation Affects Brain’s Nerve Connections
		When the sensory deprivation continued for two months, however, spine loss was slightly reduced in adult animals as well.
		The scientists therefore found that the period of young adolescence to adulthood was particularly susceptible to sensory deprivation.
		Interestingly, in adolescent mice the effects of sensory deprivation on spine loss could be largely reversed if whiskers were allowed to re-grow during a subsequent recovery period, says Dr. Gan.
	www.med.nyu.edu /communications/news/pr_114.html (579 words)

	Sensory deprivation Encyclopedia of Psychology - Find Articles
		Sensory deprivation experiments of the 1950s have shown that human beings need environmental stimulation to function normally.
		Thus, appropriate degrees of sensory deprivation may actually have a therapeutic effect when arousal levels are too high.
		A form of sensory deprivation known as REST (restricted environmental stimulation), which consists of floating for several hours in a dark, soundproof tank of water heated to body temperature, has been used to treat drug and smoking addictions, lower back pain, and other conditions associated with excessive stress.
	www.findarticles.com /p/articles/mi_g2699/is_0003/ai_2699000310 (394 words)

	Birth & the Origins of Violence: One Persepective
		It is of historical significance that both Harry Harlow (1964) and Rene Spitz (1965) denied that maternal-social deprivation involved sensory deprivation and prior to my reformulation of this issue no one had suspected that the abnormal emotional-social behaviors observed in the isolation reared or maternal-socially deprived monkeys was due to abnormal brain development and function.
		Sensory deprivation in the other sensory systems (vision, hearing, smell and taste) do not result in the maternal-social deprivation or SAD syndrome).
		My reconceptualization of the maternal-social deprivation syndrome which involved cerebellar-limbic-frontal lobe brain functions was made possible by the pioneering studies of Mason (1968) and Mason and Berkson (1975) who demonstrated that the isolation rearing of infant monkeys on a "swinging mother" surrogate (vestibular-cerebellar stimulation) prevented the development of the classic maternal-social (SAD) syndrome.
	www.birthpsychology.com /violence/prescott.html (1879 words)

	Sensory deprivation
		In the Charles Bonnet syndrome, the sensory starvation that set the stage for the hallucinations was accidental --the result of a naturally occurring vision impairment.
		One study of intentional sensory starvation was done in the mid-1950's at McGill University (Heron 1957).
		Schultz and Melzack (1993) proposed a single explanation for hallucinations that are experienced by volunteers in sensory deprivation experiments and for hallucinations experienced by people with damaged sensory systems (as in Charles Bonnet syndrome).
	www.bio.brandeis.edu /~sekuler/senpro/topic_1_stuff/sensory_deprivation.html (926 words)

	"sensory deprivation tank/chamber"
		Re: "sensory deprivation tank/chamber" confused and sleepy 13:13:18 5/23/100 (
		Re: "sensory deprivation tank/chamber" tyler dockery 15:45:46 5/22/100 (
		Re: "sensory deprivation tank/chamber" Antonio Madeira 10:29:39 2/17/100 (
	www.access-by-design.com /wwwboard/messages/295.html (326 words)

	Sensory deprivation and sensory deprivation tanks - how they began and why they are misnamed
		Why was this research called "sensory deprivation?" This label is inaccurate since the word "sensory" has to do with seeing, hearing, smelling, tasting...
		He will hear his breathing movements as well as occasional rumblings of the stomach, and it can be easily appreciated that to deprive a man totally of sensory stimulation would be a very difficult, if not impossible task.
		In Peter Suedfeld’s review of "sensory deprivation,"* the author begins to understand that such isolation work does not necessarily lead to unpleasant consequences.
	www.floatation.com /deprivation (1398 words)

	Newswise
		Neuroscience researchers are launching a five year project to understand how sensory deprivation in children may lead to abnormal brain function as adults.
		Newswise — Neuroscience researchers are launching a five year project to understand how sensory deprivation in children may lead to abnormal brain function as adults.
		The research has implications for understanding how, for example, sensory deprivation in children may lead to abnormal brain function as adults.
	www.newswise.com /articles/view/521666 (391 words)

	The Guineapigs - Chapter 2
		Sensory deprivation (SD) refers literally to the artificial deprivation of the senses – auditory, visual, tactile and kinesthetic.
		In addition, (6) prisoners were deprived of sleep for days on end; while not technically SD this accentuates the process.
		Measures (1), (2), (3) and (5) cause visual, auditory, kinesthetic and tactile deprivation while measures (4) and (6) deprive the brain of oxygen and sugar necessary for normal functioning.
	www.irishresistancebooks.com /guineapigs/guinea2.htm (1956 words)

	Ascent Stage: Deprivation and focus
		Last year I spent an hour in a sensory deprivation tank and thoroughly enjoyed the experience and#8212; so much so that I mentioned it to a friend and before I knew it ABC News had dubbed me a and#8220;floating enthusiastand#8221;....
		Last year I spent an hour in a sensory deprivation tank and thoroughly enjoyed the experience — so much so that I mentioned it to a friend and before I knew it ABC News had dubbed me a “floating enthusiast”.
		I chose Autour de la Lune because it was the music that originally got me thinking of sensory deprivation, but more importantly it was the only kind of music that I felt would work with the timeless, motionless nature of the tank.
	www.ascentstage.com /archives/2005/08/deprivation_and.html (817 words)

	Sensory deprivation reduces new cell size in the olfactory system
		Sensory deprivation causes changes in new cell size and excitability in the olfactory system, which governs the ability to smell, according to a study in Neuron by a Yale School of Medicine researcher.
		They closed one nostril in mice, a common sensory deprivation procedure, and then observed how the olfactory system adjusted to the change in sensory input.
		When deprived of sensory input, there was a reduction in the size of the new interneurons, but this was compensated by an increase in their excitability.
	www.medicalnewstoday.com /medicalnews.php?newsid=22426 (399 words)

	Sensory Deprivation Float Tank Center Opens in the Atlanta Area
		CORErelax, Georgia's only sensory deprivation float tank in Decatur offers you a way to get away without getting out of the city.
		Although he originally sought out to prove that the brain without sensory stimulation would just go to sleep, he surprisingly discovered the opposite to be true.
		At any given moment there is a taste in our mouth, a smell in the air, sounds all around us, all types of lights and visual stimulation, the feelings inside our body as well as outside, and our relationship to gravity (our vestibular system).
	www.prweb.com /releases/2006/7/prweb418197.htm (454 words)

	Introduction to Floating, what is sensory deprivation? (Site not responding. Last check: 2007-10-13)
		Scientists estimate that up to 90% of the brain's normal workload is caused by the effects of routine environmental stimulation the combined effects of gravity, temperature, touch, light and sound on the muscles, nervous system and sense organs of the body.
		Although your body enters a level of physical relaxation which is even deeper than sleep, in the tank your mind remains awake and dreamily alert, just above the threshold of sleep Large areas of the brain are suddenly liberated from their normal workload of processing signals from the nervous system and sense organs.
		All the effects of deep sensory relaxation are wholly beneficial and work simultaneously at a physical, mental and emotional level.
	www.floattank.com /what.html (2484 words)

	Self-Inflicted: Sensory Deprivation (Site not responding. Last check: 2007-10-13)
		I have tried two types of mind expansion technologies: computer controlled light and sound machines, which are designed to alter brain waves, and sensory deprivation.
		As you can see from the picture, a sensory deprivation tank is a twin bed sized chamber in which the user lays in ten inches of water.
		While sensory deprivation flotation tanks are not commonplace, they are not the stuff of science fiction either.
	www.jeffreythornton.com /sen_dep.htm (815 words)

	Critical period for sensory experience-dependent survival of newly generated granule cells in the adult mouse olfactory ...
		were deprived of sensory input unilaterally by naris cauterization.
		Diazepam administration mimics the effect of sensory deprivation on the survival of new granule cells.
		Caspase-3 activation and apoptotic cell death in granule cells induced by sensory deprivation and diazepam administration.
	www.pnas.org /cgi/content/full/102/27/9697 (3920 words)

	Sensory deprivation without competition yields modest alterations of short-term synaptic dynamics -- Finnerty and ...
		Sensory deprivation without competition yields modest alterations of short-term synaptic dynamics -- Finnerty and Connors 97 (23): 12864 -- Proceedings of the National Academy of Sciences
		dynamics at the junction of deprived and spared cortex (10),
		larger at the junction of deprived and spared cortex.
	www.pnas.org /cgi/content/full/97/23/12864 (4094 words)

	Sensory Resources -- Workshops
		Her expertise and areas of interest include autism spectrum disorders, sensory deprivation and the post institutionalized child, play skills, inclusion, and competency issues related to occupational therapy.
		She is on the board of directors for the Autism Society of New Hampshire and is the president of the New Hampshire Occupational Therapy Association.
		She initiated the National Sensory Awareness campaign in 2005, which gained support across the US and Canada, along with volunteers in Australia, England, and Germany.
	www.sensoryresources.com /conf_details2.asp?cid=1002 (579 words)

	Childhood Sensory Integration Disorder
		For the child with sensory deprivation they may feel like the sunlight is blaring in their eyes, the TV is set on HIGH volume, the air conditioner is too loud and blowing in their face.
		Although sensory disorders can be present in any child, studies indicate that approximately 70% of children with learning disabilities have sensory issues.
		Respecting your child's needs and preferences with regards to their sensory deprivation is often comforting to your child.
	www.childhoodanxietynetwork.org /htdocs/htm/sid.htm (1122 words)

	Salon Health & Body \| Without sense (Site not responding. Last check: 2007-10-13)
		You're floating weightless in a sea of sensory deprivation, feeling nada, seeing nada, and suddenly you can't take it anymore -- the nothingness, the vastness of the void.
		The isolation tank -- aka sensory deprivation tank, aka flotation tank -- was created back in the 1950s as a government research tool to study the physical origins of consciousness.
		During the '60s and '70s, the sensory deprivation experience became popular with the counterculture crowd, due in part to the writings of Dr. John Lilly, the neuroscientist, author and acid-
	www.salon.com /health/feature/1999/06/10/flotation_tanks (703 words)

	Sensory Deprivation Chambers (Site not responding. Last check: 2007-10-13)
		The sensory deprivation extends to the surrounding countryside.
		Cut off from reality, the only connection to the outside world is the postman who drives in daily to deliver the cheques extorted out of members still under the heel of the Bush Reich.
		More sensory deprivation is imposed on those victims who are forced to wash dishes.
	www.cassiopaea.org /cass/deprivationchambers.htm (376 words)

	Personal Page
		Sensory deprivation is deprivation of an external sensory stimulation as by prolonged isolation.
		Sensory deprivation has many effects on hearing impaired children.
		Children who have had access to language, even for a short time, demonstrate a higher level of linguistic achievement than those who have not had similar exposure.
	www.personal.psu.edu /smf5000 (392 words)

	SUPERMAXIMUM SECURITY PRISONS, SENSORY DEPRIVATION AND EFFECTS of SOLITARY CONFINEMENT
		This most often means inmates are held in isolation, solitary confinement, in sensory deprived conditions and in an environment restricted of stimulation.
		It was also this openness that allowed those psychologists and clinicians to do statistical comparisons between the ridge conditions of confinement in which the senses are deprived and environmental stimulants restricted and other confinement systems.
		Reports appeared on "brainwahsing" and the admission that alterations in the sensory environment were being intentionally imposed upon prisoners.
	danenet.wicip.org /amnesty/supermax.html (3204 words)

	NACD :: the journal/articles :: the journal
		The bright side of such studies on sensory deprivation is that they teach us that the adverse effects of deprivation can be reversed if the deprivation is stopped and the brain properly stimulated.
		For example, the cerebral palsy child whose body is restricted by braces and a wheelchair is deprived of some of his most needed forms of stimulation, that which comes from uninhibited movement providing the brain with tactile, vestibular, and proprioceptive feedback stimulation from the body extremities, the muscles, and the joints.
		Adult head injury patients and stroke patients are also frequently subjected to the same restrictive environment depriving their brains of desperately needed stimulation.
	www.nacd.org /more_information/journal/article23.html (624 words)

	UNITED STATES, CANADA, BRITAIN - PARTNERS IN MIND CONTROL OPERATIONS
		The first "subjects used were student group and each was paid $20 per day (24 hours) for as long as he could continue with the experiment."[10] The experimental conditions and environment for the volunteer students in comparison to the real victims of SD were markedly different.
		John C. Lilly, another psychologist, studied sensory deprivation in 1956 by immersing volunteers in a tank of lukewarm water.
		As further experiments Sensory deprivation was applied through the Control Units in British prisons.
	www.peace.ca /mindcontroloperations.htm (2559 words)

	Long-term sensory deprivation prevents dendritic spine loss in primary somatosensory cortex : Nature (Site not responding. Last check: 2007-10-13)
		We show that in young adolescent mice, long-term sensory deprivation through whisker trimming prevents net spine loss by preferentially reducing the rate of ongoing spine elimination, not by increasing the rate of spine formation.
		This effect of deprivation diminishes as animals mature but still persists in adulthood.
		Similar to sensory manipulation, the rate of spine elimination decreases after chronic blockade of NMDA (N-methyl-d-aspartate) receptors with the antagonist MK801, and accelerates after drug withdrawal.
	www.nature.com /nlink/v436/n7048/abs/nature03715.html (315 words)

	ISOLATION AND SENSORY DEPRIVATION - CLINICAL OBSERVATIONS FOLLOWING EIGHT YEARS OF COLLABORATION
		Isolated burned people are likely to suffer from mild disorientation, confusion, illusions, or hallucinations caused by the shock of extremely threatening events and sensory deprivation.
		In the burn unit, patients are isolated from their customary reality as they confined to a room, far from their normal physical reference points.
		It has been observed that such persons, when deprived of their habitual daily references, develop a severe symptomatology with signs of temporal disorientation followed, as the period of isolation persists, by mild hallucinations, hallucinatory sensations, delirious ideation, and/or structural delirium.
	www.medbc.com /meditline/articles/vol_3/num_1/007/text/vol3n1p007.asp (2345 words)

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