Variations in Consciousness

Variations in Consciousness
I. On the Nature of Consciousness
A. Variations in Levels of Aw atomic number 18ness
1. Peoples feelings and behavior be influenced by un certain needs, wishes, and conflicts that lie below the surface of conscious certifiedness
2. While people are a log Zs they remain aware of external events to some degree
3. waking and dreaming cognition are not fundamentally dissimilar
B. Evolutionary Roots of Consciousness
1. The evolutionary bases of instinct remain elusive
C. Consciousness and Brain Activity
1. Electroencephalograph
a. A device that monitors the electric activity of the star over time by substance of recording electrodes attatched to the surface of the scalp
b. Summarizes the rhythem of cortical activity in the whizz in terms of line tracings called brain waves
2. Variations in brain activity are correlated with variations in consciousness
II. biologic Rhythms and Sleep
A. Introduction
1. Biological Rhythms are perioddic fluctuations in physiological functioning
B. Role of circadian Rhythms
1. circadian Rhythms are the 24 hour biological cycles found in humans and many other species
2.Circadian rhythms in humans actually appear to be regulated by serveral internal clocks
C. Ignoring Circadian Rhythms
1. If you ignore the rhythms the quality of your sleep suffers
2.



Workers who have shift rotations go find it harder to adjust their biological clock due to the different times they have to be awake
D. Melatonin and Circadian Rhythms
1. Melatonin is classified as a dietary supplement
2. It supposedly cures many ailments
III. The Sleep and Waking Cycle
A. Conducting Sleep Reserach
1. An electromyograph is a device which records muscular activity and tension
2. An electrooculograph is a device that records eye movements
B. Cycling Through the Stages of Sleep
1. Stages 1-4
a. Onset of sleep is gradual and there is no obvious transition maneuver between wakefulnes and sleep
b.As th esleeper decends farther into sleep...If you want to get a full essay, order it on our website: Orderessay



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