ストップシグナル課題における数値計算の困難さが運動決定に及ぼす影響
Isabel Beatrice Marc1, Valentina Giuffrida1,2, Mariella Segreti1,2
1Department of Physiology and Pharmacology, Sapienza University, Rome, Italy.
The European journal of neuroscience
|February 4, 2026
まとめ
数値距離(ND)によって測定される認知的困難さは意思決定に影響を与える。簡単な数値比較は、運動開始と抑制の両方を強化し、反応速度と精度を向上させる。
科学分野:
- 認知心理学;神経科学;意思決定科学
背景:
- 効果的な意思決定は、環境情報の正確な解釈にかかっています。;複雑な解釈による認知的負荷は、意思決定プロセスを妨げる可能性があります。;数値距離(ND)は、数値比較における認知的需要を定量化します。
研究 の 目的:
- 数値距離(ND)が運動開始と抑制にどのように影響するかを調査する。;運動制御と意思決定に対する認知的負荷の影響を調べる。;認知的処理と運動反応の関係を解明する。
主な方法:
- 新しい数値比較ストップシグナル課題(NC-SST)を開発しました。;32人の参加者が、GoおよびStopシグナルの変動NDでトライアルを実行しました。;一般化ドリフト拡散および線形混合効果モデルを採用しました。
主要な成果:
- より大きなND(簡単な比較)は、より速く、より正確な反応とより良い停止パフォーマンスにつながりました。;ドリフト率はGo NDとともに増加し、空間的数値関連性によって影響を受けました。;Goプロセスのパラメータ、特にドリフト率は、Stop NDおよびストップシグナル遅延(SSD)との相互作用により、正常な停止を予測しました。
結論:
- 認知的困難の増加は、運動開始と抑制の両方を損ないます。;運動決定は、認知的情報を知覚的特徴と統合します。;発見は、認知的知覚的統合を組み込むことによって古典的なレースモデルを拡張します。
関連する概念動画
Numerical Calculations
1.2K
In engineering applications, the representation of the numerical value is critical. Presenting or reporting the answer is one of the essential parts of engineering practices. Numerical calculations are performed using handheld calculators or computers since numerically accurate answers are always preferred.
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
1.2K
Pilot and Numeric Relaying
492
Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
492
How Data are Classified: Numerical Data
38.1K
Data that are countable or measurable in specific units are called numerical or quantitative data. Quantitative data are always numbers. Quantitative data are the result of counting or measuring the attributes of a population. Amount of money, pulse rate, weight, number of people living in a town, and number of students who opt for statistics are examples of quantitative data.
Quantitative data may be either discrete or continuous. All quantitative data that take on only specific numerical...
Quantitative data may be either discrete or continuous. All quantitative data that take on only specific numerical...
38.1K
Decision Making
990
Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Automatic decision-making is fast, intuitive, and relies on gut feelings...
990
Impact of Groups on Groups
250
Social psychologists analyze how groups influence one another, shaping social structures and interactions through both cooperation and competition. These dynamics manifest in various ways, ranging from economic partnerships to intergroup conflicts that shape societal structures and perceptions.Cooperation and Competition in Intergroup RelationsIntergroup relationships vary across contexts, sometimes fostering cooperation and mutual benefit while at other times leading to conflict and...
250
Decision Making: P-value Method
7.0K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
7.0K


