From a biological perspective, how does our sense of smell work? Discuss the concept that our sense of smell is directly connected to the brain. Include a relevant example. Please include references.
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From a biological perspective, how does our sense of smell work? Discuss the concept that our sense of smell is directly connected to the brain. Include a relevant example. Please include references.
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- From a biological perspective, how do our senses monitor our body's position and movement? Discuss factors which may influence our vestibular senses. Include a relevant example. Please include references.From a biological perspective, how do we experience taste? Discuss the composite of the five basic taste sensations. Include a relevant example. Please include references.Electronic pest control is the name given to several types of electrically powered devices designed to repel pests, such as insects. Ultrasonic devices have shown promise in repelling insect pest species. They emit short wavelength, high-frequency sound waves that can be detected by insects but are too high-pitched to be detected by humans. The following table shows the maximum end of the hearing range of frequencies detectable by various organisms (Table 1). To investigate the effectiveness of ultrasonic devices in dispersing pest insects, scientists collected data from two different regions. Region 1: a rural crop-growing region where insecticides are applied for crop protection Region 2: a protected nature reserve that is managed for conservation and researchScientists measured the population density of insects in both regions before and after activating two different kinds of ultrasonic devices. The first ultrasonic device emitted sound at a frequency of 40 kHz and the second…
- Both the gustatory and olfactory system allow for the perception and identification of different chemical cues from the environment. Summarize the difference between these two systems with respect to coding. In other words, how does the neuronal activity of these systems provide a code that allows distinct chemicals to be represented?Discuss the basic difference between determining the location of a sound source in the brain and determining the location of the visual object in the brain. Please include references.Watch this video (http://openstaxcollege.org/l/2point) to see a quick demonstration of two-point discrimination. Touching a specialized caliper to the surface of the skin will measure the distance between two points that are perceived as distinct stimuli versus a single stimulus. The patient keeps their eyes closed while the examiner switches between using both points of the caliper or just one. The patient then must indicate whether one or two stimuli are in contact with the skin. Why is the distance between the caliper points closer on the fingertips as opposed to the palm of the hand? And what do you think the distance would be on the arm, or the shoulder?
- Then, analyze the following hypothetical situation: Cassey Madrid is a medical assistant at a medical office. He is testing visual acuity in patients for the first time and feels nervous about it. However, Cassey remembered when he did it in his clinical procedures class, so he takes a deep breath and calls the patient, Mr. Saleto. After identifying the patient and welcoming him in the room, Cassey explains the procedure to Mr. Saleto. What should be the distance between Mr. Saleto and the Snellen chart? What instructions can Casey give to Mr. Saleto if he uses glasses? By using the Snellen chart, is Cassey testing distance or near visual acuity? What does it mean if the result of the test is 20/60? What are some nonverbal cues that may indicate that the patient is having difficulty reading the line to which Cassey is pointing?Ototoxic drugs are drugs that may damage the cochlea, auditory nerve and/or the vestibular system of the ear. The damage caused is usually temporary and symptoms improve once the patient stops taking the drug. However, in some patients, the damage is permanent. Damage to the cochlea is the most common problem associated with these drugs. The reason that hearing loss results when the cochlea is damaged is: Select one: a. The bones in the ear do not amplify or increase the sound vibrations. b. The eardrum cannot transmit vibrations from sound waves to the malleus. c. The Eustachian tube remains open. d. Hair cells within the damaged cochlea do not bend preventing the transmission of an electrical signal to the auditory nerve.Include a 5-10 sentence explanation of how the ear senses sound and relays that data to the brain to interpret auditory information. Some pieces to consider: What path does the sound travel through the ear? What structures do the waves interact with? How does the signal travel to the brain? Where in the brain is the data processed? How does this sense change with age? What could cause deafness in humans (there are at least two major ways this can happen)?
- Draw a simple (typical of somatic senses) and a complex (typical of special senses) sensory neuron (receptor). Where applicable, label the cell body, the axon, the nerve endings, myelin, and the axon terminal.One of the mechanisms that the auditory system uses to localize sound is referred to as interaural time difference (ITD). Where in the brain does this takes place and explain how this mechanism would enable you to localize a sound coming from your left side.Image after (at the back) Retina Short distance Object Object https://ophysics.com/16.html Retina Human Eye Lens The above picture shows the defect of a human eye, where the image of the long distance object is formed before(in- front) the retina: 1) What type of eye defect is shown in the picture? 2) The reason for above eye defect is and 3) How can we correct the above eye defect?