what is the difference between damage to the left versus the right hippocampus?
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Right hippocampus plays a critical role in spatial memory in older adults, while the role of left hippocampus in verbal memory is more prominent.
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Most available evidence suggests that the functions of memory are carried out by the hippocampus and other related structures in the temporal lobe. (The hippocampus and the amygdala, nearby, also form part of the limbic system, a pathway in the brain (more...)
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Hippocampus. The hippocampus is the region of the brain involved in memory. This means that if this region is impaired by alcohol, then learning is impaired. This area of the brain is important for learning because it is important for memory.
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In general, the left hemisphere controls speech, comprehension, arithmetic, and writing. The right hemisphere controls creativity, spatial ability, artistic, and musical skills.
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Hearing difficulties following a stroke A stroke in the region of the temporal lobe will usually result in a mild hearing loss if the damage is confined to one temporal lobe. Although rare, both temporal lobes can be affected resulting in complete deafness.
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Some problems that happen after stroke are more common with stroke on one side of the brain than the other. In most people, the left side of the brain controls the ability to speak and understand language.
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But handedness has its roots in the brain—right-handed people have left-hemisphere-dominant brains and vice versa—and the lefties who claim Einstein weren't all that far off. While he was certainly right-handed, autopsies suggest his brain didn't reflect the typical left-side dominance in language and speech areas.
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The left side of the brain is more involved with attention to the internal world. ... Recent brain imaging studies have shown no differences between males and females in terms of their brain lateralization.
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It is not included, though, within the standard definition of brain damage or traumatic brain injury. Some brain injuries cause focal -- or localized -- brain damage, such as the damage caused when a bullet enters the brain. In other words, the damage is confined to a small area.
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When you watch TV, brain activity switches from the left side of your brain (responsible for logical thought and critical analysis) to the right side. This is significant because the right side of the brain tends not to critically analyze incoming information.
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The right cerebral hemisphere controls movement of the left side of the body. Depending on the severity, a stroke affecting the right cerebral hemisphere may result in functional loss or motor skill impairment of the left side of the body.
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Specifically, in autistic brains there is significantly more folding in the left parietal and temporal lobes as well as in the right frontal and temporal regions. “These alterations are often correlated with modifications in neuronal network connectivity,” Dr. Culotta says.
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The hippocampus and epilepsy Lying in the middle of the brain is part of the temporal lobe called the hippocampus. This part of the brain is involved in learning and in forming memories. If the hippocampus is damaged, it can cause epilepsy in some people.
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Small numbers are processed in the right side of the brain, while large numbers are processed in the left side of the brain, new research suggests. The study, from scientists at Imperial College London, offers new insights into the mystery of how our brains handle numbers.
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Right-side vs. So when you have left-side heart failure, your heart can't pump enough blood to your body. The right ventricle, or right chamber, moves “used” blood from your heart back to your lungs to be resupplied with oxygen. So when you have right-side heart failure, the right chamber has lost its ability to pump.
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Temporary reduction of cerebral blood flow occurs with syncope, including to regions which control memory such as the hippocampus and reticular activating system. The relevance of amnesia in the setting of neurally mediated syncope is important in the context of unexplained falls particularly in older adults.
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The left brain is more verbal, analytical, and orderly than the right brain. It's sometimes called the digital brain. It's better at things like reading, writing, and computations.