Essays Tagged: "Circadian rhythm"

Circadian Rhythms

Circadian Rhythms are the times of day that you get either hungry, tired, or energetic. This paper i ... energetic. This paper is to describe an experiment that I have thought up that will test to see if circadian rhythms differ from people who perceive themselves as night-time people and people who per ... eive themselves as morning people.What is your hypothesis?My hypothesis is that night-time people's circadian rhythms are extremely different than morning people's circadian rhythms.What population ar ...

(3 pages) 36 0 3.0 Oct/1996

Subjects: Social Science Essays

Discuss the social, psychological and physiological affects of nightwork on the individual

n industry and employment. It will also cover the organization of shifts, the effects of the body's circadian rhythms and the health difficulties associated with nightwork.Increased demands in product ... various bodily function of both humans and animals fluctuate in a 24-hr cycle called the diurnal or circadian rhythm ( Kroemer& Grandjean, 1997). Under normal circumstances the body has some idea ...

(6 pages) 68 0 3.0 Mar/2003

Subjects: Social Science Essays > Society and community

Psychology; Importance of Sleep.

there are two prominent theories on the subject; the repair/restoration theory and the evolutionary/circadian theory. The repair/restoration theory believes that sleep is a tile for our recuperation, ... , when physical, emotional and intellectual processes are repaired or replenished. The evolutionary/circadian theory believes that sleep is simply related to basic circadian rhythms and also allows us ...

(2 pages) 150 0 4.0 Jul/2003

Subjects: Science Essays > Mental Health

Human Factors in Aviation: Circadian Rhythmicity.

Circadian RhythmLiving organisms on this planet have adapted to the daily rotation of the earth on i ... on this planet have adapted to the daily rotation of the earth on its axis. By means of "endogenous circadian clocks" that can be synchronized to the daily and seasonal changes in external time cues, ... f our physiology and behavior. Recent progress in understanding the molecular mechanisms underlying circadian rhythms has been remarkable. In its most basic form, circadian clocks are comprised of a s ...

(8 pages) 121 0 2.5 Dec/2003

Subjects: Businesss Research Papers

Critically discuss research findings on altered states of awareness

latter two altered states of awareness that will be considered in this essay.Research into sleep (a circadian rhythm) has shown that sleep consists of a number of cycles (ultradian rhythms) during whi ...

(6 pages) 69 0 5.0 May/2004

Subjects: Social Science Essays > Psychology

Human Ability to alter states of consciousness Q. Humans have the ability to change their state of consciousness discuss the functional and dysfunctional consequences of this ability on behavior.

roach to tasks. Sleeping is an altered state of conscious, because most living organisms follow the circadian rhythm, a biological clock and after humans fall in a deep sleep the body goes through man ...

(2 pages) 64 0 5.0 Apr/2005

Subjects: Social Science Essays > Psychology

Cardiovascular Sounds and Blood Pressure

not static, but undergo natural variations from one heartbeat to another or throughout the day in a circadian rhythm; they also change in response to stress, nutritional factors, drugs, or disease, su ...

(4 pages) 41 0 0.0 Jun/2007

Subjects: Science Essays > Biology

Literary Anyalisis

ear in ones mind, and how does it affect people? Our bodies run on a 24 hour cycle called a circadian rhythm. During this time our temperature, mood, alertness, and chemical levels rise and fa ... ons, for we don't have the time or the energy.However, it is when we reach the inactive part of our circadian rythm that we are forced to separate our problems and perturbations of the day. Often, thi ...

(4 pages) 392 0 0.0 Oct/2001

Subjects: Businesss Research Papers

Sun Followers

some that also sense ultraviolet light but they are still yet to be found.There is a science called circadian rhythms, which are regular rhythms of growth and activity occurring roughly every twenty-f ... ter is retained when they're not.These orchestrated daily functions are all provided by the flowers circadian clock, which is in nearly all the organisms studied with only a few exceptions. A circadia ...

(4 pages) 11 0 0.0 Oct/2001

Subjects: Science Essays > Biology

Discuss the role of endogenous pacemakers and exogenous zeitgebers in biological rhythms.

ty may also have an important role.Organisms have a number of biological rhythms such as ultradian, circadian, infradian and circannual, each of which has different pacemakers. Ultradian rhythms occur ... the hypothalamus, the supra-chiasmatic nucleus has neurons which are pre-programmed to trigger off circadian rhythms. This mechanism manages when melatonin is secreted in the pineal gland through a c ...

(13 pages) 16 0 0.0 Oct/2008

Subjects: Social Science Essays > Psychology

The Functions of Sleep A book report over the book The Functions of Sleep by Ernest Hartmann.

tain changes, which are classified into four categories based on the voltage activity of frequency. Rhythms appear and disappear, and they are classified into four categories. Stage one is the lightes ...

(19 pages) 20 0 4.0 Nov/2008

Subjects: Science Essays > Mental Health

The Psychological and Physiological Effects of Sleep This is a APA style paper

leep is needed and what are the underlying mechanisms that are used by the body to regulate sleep? "Circadian rhythms are regular changes in mental and physical characteristics that occur in the cours ... hat occur in the course of a day (circadian is Latin for "around a day")" (Peterson 2006 p15). Most circadian rhythms are controlled by the body's biological "clock." This clock, called the suprachias ...

(11 pages) 105 0 5.0 Nov/2008

Subjects: Social Science Essays > Psychology