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- Watch this video (http://openstaxcollege.org/l/l_3-D1) to learn more about how the brain perceives 3-D motion. Similar to how retinal disparity offers 3-D moviegoers a way to extract 3-D information from the two-dimensional visual field projected onto the retina, the brain can extract information about movement in space by comparing what the two eyes see. If movement of a visual stimulus is leftward in one eye and rightward in the opposite eye, the brain interprets this as movement toward (or away) from the face along the midline. If both eyes see an object moving in the same direction, but at different rates, what would that mean for spatial movement?Watch this animation (http://openstaxcollege.org/l/ear2) to learn more about the inner ear and to see the cochlea unroll, with the base at the back of the image and the apex at the front. Specific wavelengths of sound cause specific regions of the basilar membrane to vibrate, much like the keys of a piano produce sound at different frequencies. Based on the animation, where do frequencies–from high to low pitches–cause activity in the hair cells within the cochlear duct?1. What aspect of the visual pathway is likely defective in a patient who can identify people they know by their movement and voice but are unable to recognize their face? a.Retinal input from the nasal retinas. b.Lateral geniculate neurons in layers 1-2. c. Cortical regions in the ventral stream. d. The superior colliculus. e. Cortical regions in the dorsal stream.
- There are only five distinct basic tastes, but thousands of different odors. Demonstrate your understanding of the olfactory system by making a reasonable hypothesis that explains how a vast number of chemical odorants can be recognized?In humans, what happens to visual information from the left visual field?A. It reaches the right half of each retina, which sends messages to the left hemisphere.B. It reaches the right half of each retina, which sends messages to the right hemisphere.C. It reaches the left half of each retina, which sends messages to the left hemisphere.D. It reaches the left half of each retina, which sends messages to the right hemisphere.Which brain structure is the first relay nucleus for taste? a. insula b. nucleus of solitary tract c. red nucleus d. pineal gland
- 1.) Which of the following statements about neural impulses leaving the inner ear is true? A.) They are carried over the auditory nerves to the temporal lobes of the brain . B.) They are carried over the optic nerves to the temporal lobes of the brain. C.) They are carried over the auditory nerves to the occipital lobes of the brain. D.) They are carried over the optic nerves to the occipital lobes of the brain. 2.) Which of the following correctly identifies the sequence of actions after movements of the stapes strike the oval window on the fluid-filled cochlea? A.) basilar membrane movesà pressure waves à hair cells relay message à stereocilia bend against tectorial membrane à auditory nerve B.) basilar membrane moves åpressure waves à stercocilia bend against tectorial membrane cells relay message à auditory nerve C.)pressure waves…Which of the following statements is true? a. Specific taste buds are located in each area of the tongue thus, can only determine a specific taste.b. The middle tongue contains taste buds which can only determine salty taste.c. The taste buds can determine all taste, but are located in different areas and different quantities on thetongue.d. Taste buds contain gustatory cells specific for a certain taste.Researchers have studied the perception of taste. Which of the following is an accurate conclusion? As a person ages, his or her sensitivity to taste perception diminishes, making it more difficult to distinguish flavors. Children under the age of 1 cannot perceive taste differences. Taste receptors can only be found in the cheeks of the mouth. The olfactory bulb is responsible for sending messages about taste from the mouth to the brain. There are four primary tastes: salty, spicy, sour, sweet. woman was injected with radioactive glucose and asked to look at pictures of her family members while having a brain scan performed. Which type of technology was being used? Computerized axial tomography (CAT) Electroencephalogram (EEG) Lesioning Magnetic Resonance Imaging (MRI) Positron emission tomography (PET)
- 4a) Which of the following is true about infants’ visual acuity? Select one: i. Poor visual acuity early in life allows key features of the visual world to “pop out” ii. Before 3 months, infants are not able to make sense of their visual world iii. It’s not possible to test visual acuity before infants are 6 months iv. Newborns have poor visual acuity, but excellent colour vision 4b)You see the results of an eye-tracking study in which infants were required to look at human faces. You see that infant A spent most time looking at the contour of the face, while infant B spent a lot of time looking at the eyes and the mouth. You conclude that infant B is most likely: Select one: i. Showing signs of a developmental disorder ii. Older than infant A iii. Bilingual iv. Younger than infant A 4c)Which statement is FALSE regarding infants’ perception abilities at birth? Select one: i. Even young babies have visual biases that help them organize their visual world (e.g., use of motion cues) ii.…How many different taste molecules do taste cells each detect? a. one b. five c. ten d. It depends on the spot on the tongue.1. Go into a darkened room from a brightly lit room, or from outside in the Sun. How long did it take to start seeing shapes more clearly? What about color? Return to the bright room. Did it take a few minutes before you could see things clearly?2. Demonstrate the sensitivity of foveal vision. Look at the letter G in the word ROGERS. What about the clarity of the letters on either side of G?