what are split brain experiments?
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Roger Sperry's Split Brain Experiments (1959–1968) ... Sperry severed the corpus callosum in cats and monkeys to study the function of each side of the brain. He found that if hemispheres were not connected, they functioned independently of one another, which he called a split-brain.
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Split-brain syndrome, also called callosal disconnection syndrome, condition characterized by a cluster of neurological abnormalities arising from the partial or complete severing or lesioning of the corpus callosum, the bundle of nerves that connects the right and left hemispheres of the brain.
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Contrary to the 10 percent myth, scientists have proven that every part of the brain is integral for our daily functioning, thanks to brain imaging techniques like positron emission tomography and functional magnetic resonance imaging. Research has yet to find a brain area that is completely inactive.
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The brain has three main parts: the cerebrum, cerebellum and brainstem. Cerebrum: is the largest part of the brain and is composed of right and left hemispheres. It performs higher functions like interpreting touch, vision and hearing, as well as speech, reasoning, emotions, learning, and fine control of movement.
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Answer. cerebrum is the main thinking part of the brain.it controls the involuntary movements,concentration,planning,decision making,memory,intelligence and intellectual activities.
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By analyzing the MRIs of 949 people aged 8 to 22, scientists at the University of Pennsylvania found that male brains have more connections within each hemisphere, while female brains are more interconnected between hemispheres.
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There are three main divisions cerebrum, cerebellum, brain stem. The cerebrum consists of two cerebral hemispheres the outer layer called cortex (gray matter) and the inner layer (white matter). There are four lobes in the cortex, the frontal lobe, parietal lobe, temporal lobe, occipital lobe.
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These gyri and sulci form important landmarks that allow us to separate the brain into functional centers. The most prominent sulcus, known as the longitudinal fissure, is the deep groove that separates the brain into two halves or hemispheres: the left hemisphere and the right hemisphere.
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Researchers use a variety of neuroimaging tools to study the brain. Computed tomography (CT) scans are oblique X-ray slices that show the density of brain structures. Magnetic resonance imaging (MRI) uses changes in electrically charged molecules in a magnetic field to form images of the brain.
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fMRI is a neuroimaging technique that uses standard MRI scanners to investigate changes in brain function over time.
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The most characteristic feature of the brain seen in this way is the longitudinal fissure that literally divides the brain into two halves, the right and left hemisphere, which are approximate mirror images of each other. seems to be symmetrical mirror images, making up the left and right halves of the brain.
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Planarians are capable of learning, and upon decapitation, the bodies with newly regenerated heads will remember what they learned. In the 1950s and 1960s, experimental psychologist James V. McConnell and collaborators did a series of experiments using planarians to explore memory processes.
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In 1983, Benjamin Libet sparked controversy with his demonstration that our sense of free will may be an illusion, a controversy that has only increased ever since. Libet's experiment has three vital components: a choice, a measure of brain activity and a clock. The choice is to move either your left or right arm.
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Double-Blind Study. -study in which the neither the experimenter nor the subjects know if the subjects are in the experimental or control group.
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The medial temporal lobe (the inner part of the temporal lobe, near the divide between the left and right hemispheres) in particular is thought to be involved in declarative and episodic memory.
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Dissociative identity disorder, on the other hand, does cause a split or fragmented understanding of a person's sense of themselves. Dissociative identity disorder is really more about fragmented identities than many different personalities that develop on their own.
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Damage to the brain's frontal lobe is known to impair one's ability to think and make choices. And now scientists say they've pinpointed the different parts of this brain region that preside over reasoning, self-control and decision-making.