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Lin J, 2013 - Tsien lab Website - University of California San Diego
Lin J, 2013 - Tsien lab Website - University of California San Diego

... selective depolarization of genetically targeted cells 1–6. However, currently available ChRs are limited by action spectra that typically peak at 450–545 nm7–11. In mammalian systems, such blue-green wavelengths have limited penetration depths into neural tissue12, as they are strongly absorbed by ...
Reticular formation,sleep and wakefulness
Reticular formation,sleep and wakefulness

... • It was later proved that sleep is caused by an active inhibitory process, once that there seems to be a center located below the midpontile level of the brain stem that is required to cause sleep by inhibiting other parts of the brain; • ONTOGENIC HYPOTHESIS OF REM SLEEP says that the activity occ ...
Sleep Physiology
Sleep Physiology

... 1. Slow wave sleep: This is characterised by very strong brain waves with very low frequency. Slow wave sleep occurs during the first hour of sleep and is restful with decreased peripheral vascular tone. Ten to thirty percent decrease in BP, respiratory rate, basal metabolism etc occurs in slow wave ...
bs10
bs10

... respiratory effort occurs, but an air way obstruction prevents air from reaching the lungs. obstructive sleep apnea occurs most often in people 40-60 years of age, and is more common in men (8:1 male to female ratio) and in the obese (pickwickian syndrome) patients often snore. ...
cysview - Photocure
cysview - Photocure

... minutes after evacuation of Cysview from the bladder, but no less than 1 or more than 3 hours after Cysview is instilled in the bladder. If the patient did not retain Cysview in the bladder for 1 hour, allow 1 hour to pass from the instillation of Cysview into the bladder to the start of the cystosc ...
States of Consciuosnes
States of Consciuosnes

... Sleepers cycle between NREM and REM sleep throughout the night  Each cycle lasts about 90 minutes  Just before and after REM sleep, you typically change body positions  As the night progresses, Stages 3 and 4 get shorter and REM sleep increases, up to 40 minutes at a time ...
What is a sleep disorder?
What is a sleep disorder?

... regular sleep routines, exercise, a good diet, using the bed for sleeping. ...
Migraine photophobia originating in cone-driven
Migraine photophobia originating in cone-driven

... Headache Center, Neurology clinic, and the primary care clinic and from advertisements at the Medical Center and Harvard Medical School. Subjects aged 15–85 years old were potentially eligible for the study if they met the International Classification of Headache Disorders Committee (2013) criteria f ...
NEUROPHYSIOLOGY OF SLEEP By Dr. Mohammad
NEUROPHYSIOLOGY OF SLEEP By Dr. Mohammad

... group of 3-5 • Originate in the pons pass to LGB ultimately terminate in occipital cortex hence called PGO ...
Lesson Description - Harvard Life Sciences Outreach Program
Lesson Description - Harvard Life Sciences Outreach Program

... 3. Jenni OG., Achermann P. and Carskadon MA. Homeostatic sleep regulation in adolescents. SLEEP 28 (2005) 1446-1454. 4. Tobler, Irene and Achermann, Peter, Sleep Homeostasis. http://www.scholarpedia.org/article/Sleep_homeostasis 5. What is Sleep, Biological Clock and Homeostasis videos: http://www.v ...
Biological Rhythms: 2 Day Circadian Examples Biorhythms
Biological Rhythms: 2 Day Circadian Examples Biorhythms

... biological clock & keeping it “entrained” with the cycle of where we are living. (Other less effective zeitgebers: exercise/activity, noise, environmental temperature, meals.) ...
Survival of some photoreceptor cells in albino rats following
Survival of some photoreceptor cells in albino rats following

... Behavioral studies of albino rats whose retinas were apparently devoid of photoreceptor cells due to exposure to continuous light in the 20 to 70 foot-candle incident illuminance range indicate that these animals are able to perform light-dark and pattern discrimination as well, or almost as well, a ...
Rhythms of Waking and Sleep 2 Day Circadian Examples
Rhythms of Waking and Sleep 2 Day Circadian Examples

... changes in time zones, etc. ...
Chapter-3-Lecture
Chapter-3-Lecture

... treatment that strengthens memory, increases concentration, boosts mood, moderates hunger and obesity, fortifies the disease-fighting immune system, and lessens the risk of fatal accidents.” - David Myers ...
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Ajna Light Theory and Science Guy Harriman June 2015 The Ajna
Ajna Light Theory and Science Guy Harriman June 2015 The Ajna

... The pineal gland is a vestigial third eye which is located at the exact center of the brain. It has all the characteristics of the two optical eyes we use for everyday vision. The pineal gland has the remnants of the cornea and retina, and has the same light sensitive cells as the eyes. In the 1970s ...
Slide 1 - Elsevier Store
Slide 1 - Elsevier Store

... reproduction of the data (double-plotting) helps to see the rhythmicity when the cycle length of rhythmicity differs from 24 hours. When housed in a 12 hours light, 12 hours darkness (12L:12D) lighting cycle, the mouse is active almost exclusively at night (shaded region). When the lighting cycle is ...
FIGURE LEGENDS FIGURE 39.1 Locomotor activity rhythm of a
FIGURE LEGENDS FIGURE 39.1 Locomotor activity rhythm of a

... FIGURE 39.1 Locomotor activity rhythm of a mouse. This “doubleplotted actogram” shows the activity pattern of an adult mouse housed individually in a cage with a running wheel. When the mouse rotates the wheel by running within it, a computerized system detects and records the wheel revolutions. Whe ...
In addition to being the stimulus for vision, there is increasing
In addition to being the stimulus for vision, there is increasing

... A presentation to the Institute for Work and Health, Toronto, ON November 29, ...
November 29
November 29

... Sleep occurs instantaneously, not gradually. Different people need different amounts of sleep. -no obvious relation to mental or physical activity. Free of environmental cues (free running) people adhere to a 24.8 hr day – mutant hamsters. Jet lag occurs when sleep-wake cycles are out of phase with ...
Textbook PowerPoint
Textbook PowerPoint

... several stages. Following the initial "twilight" state, which is characterized by irregular, low-voltage alpha waves and a state of relaxed wakefulness, the sleeper enters Stage 1 of sleep… ...
51_Shreyas_Nanoscale 2015
51_Shreyas_Nanoscale 2015

... last decade, optogenetic approaches have been successfully utilized to explore numerous neural states and disorders including fear, anxiety, addiction, reward-seeking behavior, autism and Parkinson’s disease.4 While it has facilitated novel investigations that were previously infeasible, the efficient ...
Biological Rhythms
Biological Rhythms

... • Similar studies have been done with rats, isolating them from daylight (Groblewski), and found a similar increase in the sleep-wake cycle, which supports the findings from the Siffre study. A strength of the study is that it lasted a long time, allowing Siffre’s rhythms to settle down into a natur ...
Biological Rhythms
Biological Rhythms

... • Similar studies have been done with rats, isolating them from daylight (Groblewski), and found a similar increase in the sleep-wake cycle, which supports the findings from the Siffre study. A strength of the study is that it lasted a long time, allowing Siffre’s rhythms to settle down into a natur ...
Ch 18 Notes
Ch 18 Notes

... off more infrared radiation than cooler objects • We cannot see infrared waves (like radio waves) but our skin detects them as warmth • Thermograms are color-coded pictures that show variations in temperature. Visible Light – wavelength ranges from 750 nm to 400 nm • The part of the EM spectrum that ...
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Effects of blue light technology

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