split-brain: meaning, definition, pronunciation and examples

Low
UK/ˌsplɪt ˈbreɪn/US/ˌsplɪt ˈbreɪn/

Academic/Technical

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Quick answer

What does “split-brain” mean?

A medical condition where the corpus callosum is severed, disconnecting the two hemispheres of the brain.

Audio

Pronunciation

Definition

Meaning and Definition

A medical condition where the corpus callosum is severed, disconnecting the two hemispheres of the brain.

Metaphorically used to describe systems or situations with poor integration or communication between parts.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage; both varieties employ the term similarly in technical contexts.

Connotations

Implies a specific medical or experimental condition, with neutral connotations in both varieties.

Frequency

Rare in everyday language but common in specialized academic fields, with similar frequency in British and American English.

Grammar

How to Use “split-brain” in a Sentence

Used attributively as an adjective, e.g., 'split-brain syndrome'As a noun in technical descriptions, e.g., 'the split-brain of the individual'

Vocabulary

Collocations

strong
split-brain patientsplit-brain surgery
medium
split-brain studysplit-brain research
weak
split-brain conditionsplit-brain phenomenon

Examples

Examples of “split-brain” in a Sentence

adjective

British English

  • The split-brain patient showed unique cognitive responses.

American English

  • Split-brain experiments have revealed hemispheric specialization.

Usage

Meaning in Context

Business

Rarely used; may appear metaphorically to describe organizational disunity.

Academic

Common in neuroscience, psychology, and cognitive science literature.

Everyday

Very rare; occasionally encountered in popular science contexts.

Technical

Standard term in medical and psychological discussions.

Vocabulary

Synonyms of “split-brain”

Strong

hemispheric disconnection

Neutral

commissurotomized brain

Weak

divided brain

Vocabulary

Antonyms of “split-brain”

intact brainconnected brain

Watch out

Common Mistakes When Using “split-brain”

  • Using 'split-brain' to mean general confusion or indecision rather than the specific medical condition.

FAQ

Frequently Asked Questions

It refers to a condition where the brain's hemispheres are disconnected, typically due to surgery or injury.

Through experiments on patients who have undergone corpus callosotomy, often for treating epilepsy.

Rarely, but it is usually the result of surgical intervention; natural cases are extremely uncommon.

It has demonstrated that the left and right hemispheres have specialized functions, such as language and spatial processing.

A medical condition where the corpus callosum is severed, disconnecting the two hemispheres of the brain.

Split-brain is usually academic/technical in register.

Split-brain: in British English it is pronounced /ˌsplɪt ˈbreɪn/, and in American English it is pronounced /ˌsplɪt ˈbreɪn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None directly associated; related to concepts of division or separation in language.

Learning

Memory Aids

Mnemonic

Think of a brain literally split into two halves, like a cracked walnut, to remember the disconnection.

Conceptual Metaphor

THE MIND AS A DIVIDED ENTITY

Practice

Quiz

Fill in the gap
The condition often results from surgical intervention for epilepsy.
Multiple Choice

What is the primary referent of 'split-brain'?

Practise

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