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Related Concept Videos

Purposive Learning01:22

Purposive Learning

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E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a...
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Higher Mental Functions of the Brain: Language01:10

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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.
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Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
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Long-term Potentiation01:25

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Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Hebbian LTP
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Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
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Language and Cognition01:27

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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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Related Experiment Video

Updated: Feb 27, 2026

Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
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Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition

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Stimulating Multiple-Demand Cortex Enhances Vocabulary Learning.

Magdalena W Sliwinska1, Inês R Violante2, Richard J S Wise2

  • 1Department of Medicine, Imperial College London, London, W12 0NN, United Kingdom, and m.sliwinska@gmail.com.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|July 6, 2017
PubMed
Summary
This summary is machine-generated.

This study shows that stimulating the multiple-demand cortex (MDC) enhances early vocabulary learning. This brain region plays a causal role in acquiring new information, suggesting potential therapeutic applications for learning impairments.

Keywords:
dorsal anterior cingulate cortexfunctional magnetic resonance imagingmidline superior frontal gyrusmultiple-demand cortexnovel vocabulary learningtranscranial magnetic stimulation

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Psychology

Background:

  • Multiple-demand cortex (MDC) networks activate during skill and behavior acquisition.
  • The precise causal role of MDC in learning new information is not fully understood.
  • MDC activity is particularly notable in the initial stages of learning.

Purpose of the Study:

  • To confirm MDC activation during novel vocabulary acquisition using fMRI.
  • To investigate the causal role of a specific MDC node in early learning rates.
  • To determine if non-invasive brain stimulation of MDC can enhance learning.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) in healthy adults to observe MDC activity during novel vocabulary learning.
  • Repetitive transcranial magnetic stimulation (rTMS) applied to a frontal midline MDC node.
  • Comparison of learning rates (accuracy, response times) before and after stimulation versus a control site.

Main Results:

  • fMRI confirmed peak MDC activity during the initial phase of learning pseudoword-object associations.
  • rTMS of the frontal midline MDC node significantly improved accuracy and response times in early learning.
  • Stimulation did not affect the processing of already learned vocabulary.

Conclusions:

  • MDC activity is causally involved in the initial stages of learning new associations.
  • Non-invasive brain stimulation of MDC nodes can effectively enhance learning rates.
  • MDC represents a potential therapeutic target for conditions affecting vocabulary acquisition, such as post-stroke aphasia.