Lateralization refers to the function of the left or right sides of the brain.
Signs of lateralization are clearly present at birth.
Brain lateralization begins to develop in infancy and continues throughout childhood. It is mostly completed by early adulthood, around the ages of 20-25. However, some studies suggest that further refinement and changes in lateralization can occur into later adulthood.
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Hemisphere lateralization
lateralization.
Lateralization refers to the unequal distribution of cognitive functions between the left and right hemispheres of the brain. This specialization can influence various aspects of behavior, such as language processing, emotion regulation, and motor control. For example, damage to specific areas in one hemisphere can lead to deficits in certain functions, highlighting the importance of lateralization in shaping behavior.
Lateralization
Lateralization. This refers to the division of cognitive functions between the two hemispheres of the brain, with each hemisphere being specialized for certain tasks such as language processing, spatial awareness, and emotional regulation.
Men and women tend to exhibit differences in cerebral lateralization, which refers to the specialization of brain hemispheres for certain functions. Research suggests that men may have a more pronounced lateralization, often showing stronger specialization where one hemisphere is more dominant for specific tasks, such as spatial abilities. In contrast, women generally demonstrate a more bilateral approach, involving both hemispheres for tasks like language processing and emotional recognition. These differences can influence cognitive abilities and communication styles between genders.
The four methods for studying cerebral lateralization are: Lesion Studies: Examining patients with brain injuries to identify functions linked to specific hemispheres. Neuroimaging Techniques: Using fMRI or PET scans to observe brain activity during tasks to see which hemisphere is more active. Functional Transcranial Doppler Ultrasonography (fTCD): Measuring blood flow in the brain's arteries to assess lateralization during cognitive tasks. Behavioral Experiments: Conducting tests that reveal differences in performance on language and spatial tasks when processed by either hemisphere.
The process is called hemispheric specialization, where different regions of the brain become more specialized for certain functions. This leads to the development of lateralization, where each hemisphere becomes more dominant for specific cognitive functions such as language processing or spatial awareness. This process typically occurs during childhood and adolescence as new neural connections are formed and refined.