Psy 340 Essay - 765 Words

University of Phoenix Material Neurological Structures and Functions Worksheet Short-Answer Essays 1. Describe why humans have a blind spot. Humans have blind spots because of the optic nerve information that is sent to the brain from the retina is through the optic nerve. Well the nerve has to have a way to exit the eye, that exit is where the blind spot is. 2. Describe the functional and anatomic differences between rods and cones. The retina is what houses the eye’s rods and cones. The eye has about 6 million cones and 120 million rods. Both rods and cones get their names from their shape. Rods do not provide color vision, and are sensitive to dim light. Cones function well in the day and provide color vision.†¦show more content†¦The middle ear consists of three bones, the malleus, incus, and stapes. The tensor teympany which is a muscle that attaches to the malleus bone, as well as the stapes which is a muscle which attaches to the stapes bone. These muscles help to keep the bone off of the membrane that they are on to stop damage from loud noise. And lastly there is a Eustachian tube which is the middle ear as well it helps with pressure. 6. Describe the factors that contribute to sound localization. There are two factors that contribute to sound localization the first is the pinna also known as the outer ear, it is cup shaped to allow you to hear what’s in front of you. Then there is the fact that you have two ears on each side of yor head, sound in each ear may differ so the brain can determine where the sound is coming from because it is receiving sound from both. 7. What is the function of the somatosensory system? The somatosensory system has to do with touch, pressure, pain, temperature, movement, and vibrations from muscles, joints, and skin. Uit sends sensations through the spinal cord, to the brainstem, then the thalamic relay nuclei to the parietal lobe that houses the sensory cortex. 8. Name and describe the parts of the brain involved in the chemical sense of taste. The parts of the brain that are involved in the chemical sense of taste are the parietal lobes. The parietal lobe is behind theShow MoreRelatedGender Identity Paper Psy 340816 Words   |  4 PagesGender Identity Gender is defined as being male or female as defined by roles, social status, and attitude. The perception of oneself and what characterizes gender identity. Included in gender identity is hormone and behavior interaction, along with the examination of psychological, biological, and environmental influences on sexual separation. Interaction between hormones and behavior has shown to be linked to higher aggression and hostility. 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