Introduction to Psychology Essay Example | Topics and Well Written Essays - 1500 words - 5

Introduction to Psychology - Essay Example There is a decrease in breathing and heart rate. At the final stage/paradoxical sleep, the EEG recordings increase as those of stage 1 and 2 due to increased brain activity. Rapid eye movement (REM) sleep is experienced here. The EEG pattern is like that of a person who is awake. Generally, there is deeper sleep in the early cycles but in the later cycles there is more time in the REM. Sleep disorders result in distorted sleep which can affect a person’s live and career. It reduces the optimal functioning of a person and increases the chances of accidents during work. They result from psychological, biological and environmental factors. Insomnia: This refers to a condition of unsatisfactory quantity or quality of sleep. Continued lack of satisfactory sleep leads to inability to sleep on time, arousals during sleep, early awakening. Sleep Apnea: This affects the upper respiratory system. There is a stop in breathing during sleep hence emergency hormones are secreted causing the person to awake so as to breath (Gray, 2010). Narcolepsy: The person affected experiences periodic sleep during the day. When they sleep, they enter REM sleep immediately so they experience vivid dream images and terrifying hallucinations. Muscle weakness or lack of muscle control can be experienced under emotional excitement causing the person to suddenly fall. This causes negative psychological and social impact. Somnambulism/sleepwalking: While asleep, the person leaves their beds and walk around. It is associated with NREM sleep. Children learn both spoken and gestural languages. A child can be said to have fully acquired language when they have reached a stage of being able to analyze and recognize the units of sound and the meaning of that language. They should also be able to organize sounds into words and derive meaningful sentences from these words and participate actively in coherent conversations. The first step in language