Our sense of smell also requires a combination of bottom-up and top down processing. When you
inhale, odorants excite subsets of the millions of cellular receptors in your nose, sending patterns of
neural activity to the olfactory bulb on the bottom of your brain. The olfactory bulb also receives
inputs from other brain areas, such as the hippocampus and the neocortex, so that the signals it sends
to the rest of the brain are already a combination of bottom-up sensory information and top-down
processing. Hence when you smell something, like a live duck in a barnyard or a cooked one in a
restaurant, the smell is the result of dynamic interactions of different brain areas involving both
sensory inputs and previous knowledge and expectations.
ความรู้สึกของกลิ่นของเรายังต้องมีการรวมกันของการประมวลผลจากล่างขึ้นบนและด้านบนลง Our sense of smell also requires a combination of bottom-up and top down processing. When you
inhale, odorants excite subsets of the millions of cellular receptors in your nose, sending patterns of
neural activity to the olfactory bulb on the bottom of your brain. The olfactory bulb also receives
inputs from other brain areas, such as the hippocampus and the neocortex, so that the signals it sends
to the rest of the brain are already a combination of bottom-up sensory information and top-down
processing. Hence when you smell something, like a live duck in a barnyard or a cooked one in a
restaurant, the smell is the result of dynamic interactions of different brain areas involving both
sensory inputs and previous knowledge and expectations.
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