They often neglect the left side of the body, and they're not able to see things on the left.
People with damage to the right hemisphere of the brain often have trouble with visual perception and spatial orientation, for example, getting a sense of how far or near an object is in relation to the body. It affects motor skills (limb apraxia ) and they often move slowly and carefully. They cannot see things on the right side of the body. When the left hemisphere of the brain is damaged, people have difficulty speaking or understanding words either said or written down. When people sustain an injury or have a stroke that's localized on one side of the brain, they have specific troubles. The right hemisphere controls the muscles on the left side of the body. The right hemisphere's functions include spatial perception and seeing possibilities in situations. It processes from the whole picture to details. It focuses on the visual and is responsible for attention. The right hemisphere of the brain processes information intuitively. The left hemisphere controls the muscles on the right side of the body. The left hemisphere's functions include order and pattern perception as well as creating strategies. It processes from details into a whole picture. It focuses on the verbal and is responsible for language. The left hemisphere of the brain processes information analytically and sequentially. Neuroscientist and Nobel laureate Roger Sperry has contributed significantly to the research of lateralization and split-brain function. For instance, structurally, the lateral sulcus generally is longer in the left hemisphere than in the right hemisphere, and functionally, Broca's area and Wernicke's area are located in the left cerebral hemisphere for about 95% of right-handers, but about 70% of left-handers. The hemispheres exhibit strong bilateral symmetry regariding structure as well as function. The human brain is split into two distinct cerebral hemispheres connected by the corpus callosum. Essentially, the brain is interconnected, and the two hemispheres support each other in its processes and functions. The brain scans did not show any evidence that people use one side of the brain more than the other. Neuroscientists analyzed over 1,000 brain scans from people between the ages of seven and 29. These findings, while true, serve as the basis for the now-disproved theory that people who are logical, analytical and methodical are left-brain dominant, and those who are creative and artistic are right-brain dominant.Ī study conducted at the University of Utah has debunked the myth. The right hemisphere tends to recognize relationships, integrate and synthesize information, and arrive at intuitive thoughts. Sperry discovered that the left hemisphere of the brain usually functions by processing information in rational, logical, sequential, and overall analytical ways. left brain dominance originates with Nobel Prize winning neurobiologist and neuropsychologist Roger Sperry. Trouble with visual perception (understanding how far or near something is) neglect of left side of the body inability to see things to the left poor decision making impulsiveness short attention span slow learning of new things. Trouble speaking or understanding spoken or written words slow, careful movements inability to see things on the right side of the body. Visualization, spatial/abstract thinking,įollowing by sequence, understanding parts, organizing a large body of information, remembering names. Multi-dimensional thinking, art, music, drawing, athletics, coordination, repairs, remembers faces, places, events. Mathematics, analytics, reading, spelling, writing, sequencing, verbal and written language. Intuitive - spatial/abstract perception emphasis on possibilities. Logical - order/pattern perception emphasis on strategies. Random non-verbal (process with visuals). Holistic, big-picture oriented - "whole to details" approach. Linear, detail-oriented - "details to whole" approach. Holistic thinking, random processing, intuitive decision-making, non-verbal processing, fantasy-oriented.Īnalytical, logical, pay attention to detail Linear thinking, sequential processing, logical decision-making, reality-oriented. Spatial awareness, intuition, facial recognition, visual imagery, music awareness, art, rhythm. Speech and language, logical analysis and reasoning, mathematical computations. Comparison chart Left Brain versus Right Brain comparison chart
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