Disruption to Biological Rhythms - Term Paper.
Environmental factors influencing biological rhythms tend to change slowly, allowing the internal pacemakers to keep up. However, if the zeitgebers change quickly, problems can occur. Such problems include poor attention, slow reaction time and impaired reasoning skills and can arise from two features of modern life; shift work and jet lag.
Discuss the disruption of biological rhythms 24m One example of disruption of biological rhythms is due to shift work and shift lag. This disrupts your sleeping pattern because it means you are required to be alert at night, so need to sleep during the day.
Discuss the disruption of biological rhythms 24m One example of disruption of biological rhythms is due to shift work and shift lag.This disrupts your sleeping pattern because it means you are required to be alert at night, so need to sleep during the day.This reverses and disrupts your circadian rhythm, becoming desynchronised where it is no longer entrained by EZ’s.
Discuss the consequences of disrupting biological rhythms Biological rhythms are controlled by endogenous pacemakers, which are our internal biological clocks and these rhythms are also affected by exogenous zeitgebers, for example light, food and noise.
The disruption of the biological rhythms are thought to be caused by melatonin release being out of step with the new environmental conditions, this can cause drowsiness during the day, and insomnia during the night. Research evidence by Schwartz et al supports this theory. They studied the results of baseball games involving teams on the west.
These are rhythms with a period of greater than a day. The menstrual cycle is an example of an infradian rhythm. Infradian rhythms that occur as a result of seasonal changes, for example, migration and hibernation are called circannual rhythms. The menstrual cycle has a period of about 28 days, although the timing can vary according to environmental factors.
Evaluating Circadian Rhythms. Research Support: Research has been conducted to investigate circadian rhythms and the effect of external cues like light on this system.Siffre (1975) found that the absence of external cues significantly altered his circadian rhythm: When he returned from an underground stay with no clocks or light, he believed the date to be a month earlier than it was.
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Shift Work This can involve working times where people would normally be asleep, and being asleep at times when people are normally awake. This causes a breakdown in the usual coordination between internal biological clocks and external cues. This requires a drastic change to.
Discuss disruption of biological rhythms (24 marks) Biological rhythms can be disrupted in a numbers of ways and involves the desynchronisation between the outside world and endogenous pacemaker. The most common disruptions to biological rhythms include shift lag and jet lag.
