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相关概念视频

Subliminal Perception01:15

Subliminal Perception

Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
Subconsciousness and No Awareness01:15

Subconsciousness and No Awareness

The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...

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相关实验视频

Updated: Jul 15, 2026

Studying Food Reward and Motivation in Humans
12:09

Studying Food Reward and Motivation in Humans

Published on: March 19, 2014

大脑如何将钱转化为力量:关于潜意识动机的神经图像研究

Mathias Pessiglione1, Liane Schmidt, Bogdan Draganski

  • 1Wellcome Trust Centre for NeuroImaging, Institute of Neurology, University College London, 12 Queen Square London WC1N 3BG, UK. pessigli@ccr.jussieu.fr

Science (New York, N.Y.)
|April 14, 2007
PubMed
概括

即使没有意识,更高的金钱奖励也会增加身体的努力,表明无意识的动机. 这种效应与特定的基底前脑活动有关,揭示了为激发行为提供活力的关键神经回路.

科学领域:

  • 神经科学是一个神经科学.
  • 认知心理学 认知心理学
  • 决策科学 决策科学 决策科学

背景情况:

  • 无意识的动机很难在经验上证明.
  • 以前的研究主要推断出动机,而不是直接测量它.

研究的目的:

  • 实证地证明人类的无意识动机.
  • 确定由非报告奖励驱动的动机背后的神经机制.

主要方法:

  • 功能磁共振成像 (fMRI) 用于观察大脑活动.
  • 设计了一个行为范式,参与者在不同的金额和可报道性的金钱奖励中施加了身体上的努力.

主要成果:

  • 当更高的金钱奖励受到威胁时,参与者施加了更大的身体力量,即使他们无法报告奖励金额.
  • 一个特定的基础前脑区域的增加参与与这种激励效应相关.

结论:

  • 基底前脑在激发基于预期奖励的行为中发挥着关键作用,独立于有意识的意识.
  • 这项研究为无意识的动机过程及其神经支提供了经验证据.

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A Protocol for the Administration of Real-Time fMRI Neurofeedback Training

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相关实验视频

Last Updated: Jul 15, 2026

Studying Food Reward and Motivation in Humans
12:09

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Published on: March 19, 2014

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
13:04

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Published on: September 19, 2012

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07:05

A Protocol for the Administration of Real-Time fMRI Neurofeedback Training

Published on: August 24, 2017