L-2 Psychology

What is the relationship between a physical stimulus and the kinds of stunning responses that result from it? Psychophysics studies the relationship between the physical nature of stimuli and the open responses they evoke. The absolute threshold is the smallest amount of physical intensity at which a stimulus can be detected. Under god conditions absolute thresholds are extraordinarily sensitive, but the presence of cantillate (background stimuli that interfere with otherwise stimuli) reduces detection capabilities. The difference threshold, or good noniceable difference, is the smallest change in the level of stimulation promise for to sense that a change has chokered. According to Webers law, a just noticeable difference is a unremitting equaliser of the intensity of an initial stimulus. Sensory adaptation occurs when we go alter to a constant stimulus and change our military rank of it. repeated exposure to a stimulus results in an unvarnished slouch in sensitivity to it. What is the meaning and function of hallucinations? we dream for physiological reasons alone and that dreams are essentially mental gimcrack liberal of psychological meaning. Dreams are successions of images, ideas, emotions, and sensations that occur involuntarily in the idea during certain stages of sleep.

The content and purpose of dreams are not definitively understood, though they have been a topic of scientific speculation, as good as a subject of philosophical and sacred interest, passim recorded history. The scientific study of dreams is called oneirology. Scientists believe that, in addition to humans, certain birds and the majority of mammals als o dream. Dreams mainly occur in the rapid-e! ye movement (REM) stage of sleep when brain act is senior high and resembles that of being awake. REM sleep is revealed by continuous movements of the look during sleep. At times, dreams may occur during other stages of sleep. However, these dreams tend to be much less vivid or memorable....If you want to subscribe to a full essay, order it on our website: OrderEssay.net

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