SSI206 IP1

Apr 8th, 2015
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You have just been asked to teach the concept of adaptation to a psychology class. You decide to conduct the following experiments to teach the concept of adaptation. Task 1: Conduct three of the following experiments. Record your reactions, and be specific for each experiment. Experiment 1: • Rub your index fingers gently over a piece of very coarse sandpaper a few times and rate its coarseness on a scale from 1 (very soft) to 7 (very coarse). • After a minute or two, rub the same finger over the paper and again rate its coarseness. Did your perception of the coarseness change? How? Record your reaction. Experiment 2: • Prepare one cup with sugar water and one with fresh water. • Take a sip of the sugar water and swish it around in your mouth for several seconds without swallowing it. Gradually, it should taste less sweet. (Dispose of the sugar water) • Taste from the cup containing fresh water. Did the taste of the fresh water surprise you? How? Record your reaction. Experiment 3: • T

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SSCI206-IP2NameClassDateProfessorSensory Adaptation Sensory adaptation refers to sensory neurons changing and becoming less sensitive to the stimuli that they are exposed to on a consistent basis. The adaptation assists the individual in adapting to their environment while still being able to ensure the necessary sensory input is received. For example a lemon is sour but if someone eats lemons everyday they will adapt to the sour of the lemon and overtime the lemon will become less sour but still recognizable as being sour by the senses. In the sensory adaptation experiments the process of adaptation became evident and the process the brain goes through became clear. In the sandpaper experiment the first step was to run a finger over the paper three times in order to rate its coarseness on a scale from 1 (very soft) to 7 (very coarse). A couple of minutes later I once again rubbed my finger over the exact same piece of sandpaper three times. The first time I ran my finger over the sandpaper it felt extremely coarse causing me to rate the coarseness as a seven. The second time I ran my finger across the sandpaper it felt much less coarse causing me to rate the coarseness at a four. The difference in the coarseness after just rubbing the paper two minutes apart was surprising. It was surprising how quickly the boy adapted to the feeling of the coarseness of the paper. Sensory adaptation is the body adjusting to changing sensory experien

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