Created by: Brian Tap A PowerPoint Presentation on Your Sense Of Smell. (1998)

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Presentation transcript:

Created by: Brian Tap A PowerPoint Presentation on Your Sense Of Smell. (1998)

Facts Of Smell About 2 million people in the U.S. suffer from anosmia. About 2 million people in the U.S. suffer from anosmia. 1 in 1,000 people are insensitive to butyl mercapton. 1 in 1,000 people are insensitive to butyl mercapton. Humans are sensitive to the smell of green bell peppers. Humans are sensitive to the smell of green bell peppers. Humans have about 40 million olfactory receptors Humans have about 40 million olfactory receptors German shepherd dog has about 2 billion olfactory receptors. Chudler (2008) German shepherd dog has about 2 billion olfactory receptors. Chudler (2008) Green Bell Peppers (2010)

More Smell There are about 10,000 smells a human can detect. The human nose can detect aromas that sophisticated machinery can’t. 1/3 of receptor sites are functional in humans. Psychology (2006)

Parts of Smell Smell Involves detection and perception of chemicals in the air. Chudler (2008) Key Parts to smell: Olfactory Epithelium Olfactory Epithelium Hair Cells (cilia) Hair Cells (cilia) Olfactory Receptors Olfactory Receptors Olfactory Bulb Olfactory Bulb Mitral Cells Mitral Cells Chudler (2008) Chudler, E. (2008)

7 Primary Odors Humans have seven primary odors that help them determine objects according to John Amoore. Camphoric Camphoric Musky Musky Floral Floral Minty Minty Pungent Pungent Putrid Putrid Ethereal Your Sense Of Smell (1998) Ethereal Your Sense Of Smell (1998) John Earnest Amoore (2010)

Resources Chudler, E. (2008) Smell- The Nose Knows. Retrieved Nov. 9, 2010, from Chudler, E. (2008) Smell- The Nose Knows. Retrieved Nov. 9, 2010, from Chudler, E. (2010) Smell Experiments. Retrieved Nov. 9, 2010, from Chudler, E. (2010) Smell Experiments. Retrieved Nov. 9, 2010, from Psychology. (2006). Upper Saddle River, New Jersey: Pearson Education. Psychology. (2006). Upper Saddle River, New Jersey: Pearson Education. Your Sense Of Smell. (1998). Retrieved November 11, 2010 from Your Sense Of Smell. (1998). Retrieved November 11, 2010 from Green Bell Peppers. (2010). Retrieved November 11, 2010 from pers Green Bell Peppers. (2010). Retrieved November 11, 2010 from pers pers pers John Earnest Amoore (2010) Retrieved November 12, 2010 from John Earnest Amoore (2010) Retrieved November 12, 2010 from Halpern, B. (Ed). (2010) Smell. In World Book Encyclopedia (Vol. 17, pp. 514). Chicago: World Book Inc. Halpern, B. (Ed). (2010) Smell. In World Book Encyclopedia (Vol. 17, pp. 514). Chicago: World Book Inc.