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For example, a study found that when subjects were primed with positive stimuli before hearing a consonant, the left hemisphere was more active than the right hemisphere. [3] In contrast, when subjects were primed with a negative stimulus, the right hemisphere was more active than the left hemisphere. b) Other divisions of specialization
When looking at the left and right hemisphere scales, the test is based on the assumption that the left hemisphere is verbally dominant and composed of the motor and tactile scales that represent right-hand sensory/motor performance while the right hemisphere consists of items representing left-hand sensory/ motor performance.
As the human brain became more sophisticated, the hemispheres of the brain developed specialisations. Language and structured thought primarily uses the left hemisphere and imaginative thinking uses the right hemisphere. People who cannot parallel process tend to rely on one type of thinking – thinking by random association or logical thinking.
There are a number of asymmetries in the human brain including how language is processed mainly in the left hemisphere of the brain. There have been some cases, however, in which individuals have comparable language skills to someone who uses his left hemisphere to process language, yet they mainly use their right or both hemispheres.
Iryna Spodarenko / GettyWe’ve come a long way in our understanding of autism since it was first used as a clinical description in 1943. Scientists have identified some of the genes that seem to ...
The left-brain interpreter is a neuropsychological concept developed by the psychologist Michael S. Gazzaniga and the neuroscientist Joseph E. LeDoux. [1] [2] It refers to the construction of explanations by the left brain hemisphere in order to make sense of the world by reconciling new information with what was known before. [3]
Callosal syndrome, or split-brain, is an example of a disconnection syndrome from damage to the corpus callosum between the two hemispheres of the brain. Disconnection syndrome can also lead to aphasia , left-sided apraxia , and tactile aphasia, among other symptoms.
The left hemisphere is associated with language and calculations, while the right hemisphere is more closely associated with visual-spatial recognition and facial recognition. This lateralization of brain function results in some specialized regions being only present in a certain hemisphere or being dominant in one hemisphere versus the other.