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Sensory Adaptation
According to Carole Wade and Carol Tavris, sensory adaptation is the reduction or disappearance of sensory responsiveness that occurs when stimulation is unchanging or repetitious. Senses are designed to respond to change and contrast in the environment. When a stimulus is unchanging or repetitious, sensation often fades or disappears. Sensory adaptation has it's beneficial effects along with it's negative ones. Sometimes the adaptation causes people to spares us time and effort by not responding to certain information. Other times it causes us to miss something important...which could have a drastic outcome.
Taking into account that everyone has senses, sensory adaptation is a large part of life. Everyone has experiences in which adapting to certain stimuli have effected them in positives and negative ways.
Parents calling for a child is a stimulus, which in turn causes the child to become alert and answer the call. When a child is young, his/her parent's voice is certainly a comfortable sign considering it is one that the child recognizes. It usually is followed by a smile or a sense of happiness. When a child becomes older and more responsible, the voice of the parent takes a different role. The voice could be punishing or threatening, displaying a sense of disappointment and anger. The child is then faced with stimuli that can range from beneficial to dangerous, considering the volume and tone. If a child is called upon by a parent with a friendly, passive and polite voice, the child will respond willingly. This stimulus causes the child to think that maybe he/she is going to be rewarded by past experiences when he/she was young. When the stimuli is loud, angry and aggressive, the child will become scared and maybe not respond; knowing that this stimulus will lead to a punishment or something worse. Sometimes the stimuli are repeated so many times, regardless of volume and tone, that the subject (child) doesn't respond at all. This stimulus becomes to frequent and unimportant which will certainly cause a negative instance.
One instance in which I experienced my sensation fade was over the summer. I forgot to take the trash out one week. So I placed the bags in the garage. As the weeks progressed I became very busy with work and the trash day seemed to slip my mind every week.
The criticism that sensory integration therapy faces is that there is not enough information resulting in a success rate. If there are no tangible results, why would parent’s waste time and money on this type of therapy is a question that the occupational therapy community faces. Sensory processing disorder has no real diagnosis as well, since there is such a broad spectrum. The symptoms of sensory processing disorder are also vague. This perplexing clinical concern is apparent to Zimmer, “It remains unclear whether children who present with findings described as sensory processing difficulties have an actual “disorder” of the sensory pathways of the brain or whether these deficits represent differences associated with other developmental and
involves all of the five senses, the way we perceive them. Perception is not restricted to
The influence of smell on our sense of taste is an example of sensory interaction. Embodied cognition is the influence of bodily sensations, gestures, and other states on cognitive preferences and judgments.
Perception plays a huge role in someone’s life. “When a distinction is made between sensation and perception, sensation is frequently identified as involving simple “elementary” processes that occur right at the beginning of a sensory system, as when light stimulates receptors in the eye. In contrast, perception is identified with complicated processes that involves higher-order mechanisms such as understanding and memory that involve activity in the brain” (Goldstein, 1980, p. 7). It is simply the ability to see, hear, or become aware of something through the five senses. Perception aids us to navigate through the world, avoid danger, make decisions, and prepare for action.
The general senses are pain, temperature, touch, pressure, vibration, and proprioception. Receptors for those sensations are distributed throughout the body. Special senses are limited to the head, such as the ears and eyes. A sensation is how receptors transmit information to the brain and perception is how the brain processes that information. The five types of receptors are chemoreceptors (sensitive to changes in chemical concentrations), pain receptors (sensitive to tissue damage), thermo receptors (sensitive to temperature change), mechanoreceptors (sensitive to mechanical forces), and photoreceptors (sensitive to
Our five senses –sight, hearing, smell, taste and touch help the ways in which we perceive the world around us. And while they seem to work independently at time they can effect each other and the way we comprehend something. Seeing something pretty, touching something soft, eating something cold and smelling something rotten are the sense we use to connect with the world around us and will all effect how we move forward in that situation. When you look at the top picture say the color of the word not the word itself. It is harder than it seems and takes a little practice to do it efficiently. It is because we see the spelling we were taught not the color it was written in. It is hard to process it the other way, but not impossible. Take the bottom picture for another example is this a
A Recreation Therapist use many different facilitation techniques. One technique that is commonly used is Sensory Training. Sensory training attempts to maintain and improve the functioning of patients through a program of stimulation directed toward all five senses. The goal is to help a patient with their perception and alertness when responding to the environment. Sensory processing is the ability to take in information through sense ( Austin 2013) . A Recreation therapist tries to improve the ability to manage sensory input (touch , smell, taste , vision and hearing). We receive all input through our senses, such as seeing, hearing, smelling, tasting, and touching. All senses act individually and together to send us information about
From the frozen tundra of the arctic north to the arid deserts of sub-Saharan Africa – humans not only survive, but even thrive in some of the most extreme and remote environments on the planet. This is a testament to the remarkable capacity for adaptation possessed by our species. Each habitat places different stressors on human populations, and they must adapt in order to mitigate them. That is, adaptation is the process by which man and other organisms become better suited to their environments. These adaptations include not only physical changes like the larger lung capacities observed in high altitude natives but also cultural and behavioral adjustments such as traditional Inuit clothing styles, which very effectively retain heat but discourage deadly hyperthermia-inducing sweat in Arctic climates. Indeed, it seems this later mechanism of adaptation is often much more responsible for allowing humans to populate such a wide variety of habitats, spanning all seven continents, rather than biological mechanisms. Of course, not all adaptations are entirely beneficial, and in fact may be maladaptive, particularly behavior adaptations and highly specialized physical adaptations in periods of environmental change. Because people rely heavily on social learning, maladaptaptive behaviors such as sedentarization and over-eating – both contributing to obesity – are easily transmitted from person to person and culture to culture, as seen in the Inuit’s adoption of American cultural elements.
Sensory processing disorder is a neurological disorder that interrupts the way a person processes and responds to the sensations. Research has shown that between 5-17 percent of the population
Sensation refers to the process of sensing what is around us in our environment by using our five senses, which are touching, smell, taste, sound and sight. Sensation occurs when one or more of the various sense organs received a stimulus. By receiving the stimulus, it will cause a mental or physical response. It starts in the sensory receptor, which are specialized cells that convert the stimulus to an electric impulse which makes it ready for the brain to use this information and this is the passive process. After this process, the perception comes into play of the active process. Perception is the process that selects the information, organize it and interpret that information.
Along with vision, hearing is one of the most important senses that humans have. We use it to communicate, learn, and stay aware of our environment. In fact, hearing is the only sense that never stops receiving sensory input. While all of our other senses become drastically less sensitive when we are sleeping, our brain still processes auditory information to awaken us the second something is wrong. Although this may have been more practically used before people slept safely in homes, it’s still useful for hearing a fire alarm or our alarm clock in the morning. We are able to hear by processing sound waves. This energy travels through the delicate structures in our ears to be transformed into neural activity so that we can perceive the sensory information we receive (Myers, 2010).
Sensory evaluation is a scientific disciplines that analyses and measures human response to the composition of food and drink. The examples of sensory evaluation included appearance, touch, odour, texture, temperature and taste.
Sensory systems are essential to a mammal’s survival and for providing important information concerning their internal and external environment (Hill et al., 2011). Sensory systems depend on specialized sensory receptor cells that respond to stimuli, either from the mammals’ internal or external environment (2011). One form of sensory is electroreception, which is the detection of electrical currents or fields in aquatic mammals and mechanoreceptors are specialized to respond to different types of mechanical stimuli, such as touch, taste, smell, etc. (2011). The platypus (Ornithorhynchus anatinus) exhibits electroreception with the help of mechanoreceptors to detect prey item while submerged in water.
The sensory system’s organs are the sense organs of the body. The purpose of the sensory system is to allow us to experience outside stimuli and identify alterations in the environment by sensory receptors and eyes, nose, ears, tongue, and skin, which are the sensory organs. The sensory system is actually one of the main elements of the body used to process sensory information.
Sight, smell, taste, touch and hearing. These are all senses. Most people are born with all five of them. As someone with all five senses, I could not imagine not having, or even losing a sense or two. There are some that are born with only four. There are some that loose one or two of them throughout their lives. The most iconic figure of the later is Helen Keller.