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Lateralization01:28

Lateralization

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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Cerebral Hemispheres01:05

Cerebral Hemispheres

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The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
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Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
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Language and Cognition01:27

Language and Cognition

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Working Memory01:24

Working Memory

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Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
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Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

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The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
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Related Experiment Video

Updated: Apr 20, 2026

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function
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Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function

Published on: January 26, 2024

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[Brain mapping in verbal and spatial thinking].

A M Ivanitskiĭ, G V Portnova, O V Martynova

    Zhurnal Vysshei Nervnoi Deiatelnosti Imeni I P Pavlova
    |December 4, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Functional magnetic resonance imaging (fMRI) reveals distinct brain areas for verbal and spatial thinking. Verbal tasks activate the left hemisphere, while spatial tasks engage the right, showing specific brain structure involvement.

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    Area of Science:

    • Neuroscience
    • Cognitive Neuroscience
    • Neuroimaging

    Context:

    • Understanding the neural basis of cognitive functions is crucial in neuroscience.
    • Distinguishing between verbal and spatial thinking processes has been a long-standing question in cognitive science.
    • Functional magnetic resonance imaging (fMRI) offers a non-invasive method to map brain activity during cognitive tasks.

    Purpose:

    • To map the specific cortical and subcortical brain structures involved in verbal and spatial thinking using fMRI.
    • To compare the brain activation patterns between verbal and spatial cognitive tasks.
    • To investigate the topographical organization of neural networks underlying different types of thinking.

    Summary:

    • This study utilized fMRI to examine brain activation in 18 subjects performing verbal (anagrams) and spatial (visual puzzle completion) tasks, alongside control conditions.
    • Results showed left-hemisphere activation, including Broca's area, for verbal tasks, and right middle frontal gyrus activation for spatial tasks.
    • Specific occipital lobe activations (visual field 18 for spatial, visual field 19 for verbal) and bilateral cerebellar activity were observed, suggesting distinct neural substrates.

    Impact:

    • The findings indicate that distinct sets of brain structures are specifically activated during verbal and spatial thinking.
    • This research contributes to understanding the neural architecture of cognitive functions, highlighting both localized and distributed brain processes.
    • Integrating fMRI with electrophysiological data suggests cognitive functions arise from systemic brain processes involving specific salient structures.