著者は、データ収集を手伝っために、クリストファー・グリーン、ブラッドリー・ロビンソン、そしてマリア・マヌエラ・バヤダレスを承認したいと思います。 EEG機器のための資金はケリー・ジョーダンの多感覚​​認知研究室に研究大学院機器グラントのユタ州立大学のオフィスによって提供されていました。ベンジャミン・コール博士ウェイド・グッドリッジとの仕事のための大学院のユタ州立大学の学校から達成大統領博士研究員によってサポートされています。

<ol>
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The authors declare that they have no conflicting or competing financial interests.

プロトコルは、2つの典型的な空間能力の楽器から問題を取り組んで参加者との高い空間エンジニアリング静問題の脳活動を測定する脳波のアプリケーションについて説明します。ここでは詳述した方法では、最終的にこれらの問題を作業に従事してハイとローパフォーマーの神経効率を理解するのに役立つことができるかもしれません。これらのテストは、多くの場合、空間能力を評価する...

空間能力は科学、技術、工学、および数学（STEM）分野と教育に不可欠であり、これらの領域1,2,3での成功と相関します。したがって、4の解決方法空間能力に影響を与える問題の開発を理解することが重要です。空間能力は、対象5、性能6、エンジニアリング学者7と工学の専門家8の成功の成功にリンクされています。しかし、多くの空間能力の楽器、また非常に空間的である特定のエンジニアリングコンテンツへの典型的な問題の解決に特定の神経のプロセスを示す多くの仕事がありません。 本稿では、神経の測定と組み合わせた空間能力の楽器のスコアのデータ収集と分析のために使用される方法を紹介します。 Joveので出版の意図は、より幅広い視聴者にこれらのメソッドにアクセスしやすくすることです。一般市民のハードウェアとソフトウェアWEReがこの研究に利用さ。方法用紙として、完全な結果/データセットが報告も提供される複数のサンプルであるれていません。すべての画像は、この出版物のために特別に捕獲されました。以下に詳述した方法では女性であった3人の8大学の二年生中年の参加者からのデータに基づいて、予備会議レポート9を調製するのに利用されました。 多くの既存の器具は固有のまたは個人で学習した空間能力のレベルを示すために使用されています。 13：一般的に使用される2つの有効かつ信頼性の高い10,11の機器は試験（MCT）12を切断精神とローテーションのパーデュー空間の可視化試験（R PSVT）です。もともと職業14を設計しながら、これらの機器は、ピアジェ理論10,15によって記述空間可視化開発の異なる段階をテストします。これらの機器の使用は、基礎となる生理学的な認知現象を理解する必要性を作成しますexistin個人がこれらの問題を介して動作グラム。このため、本研究では、最終的には、空間的思考の分析と理解を向上させ、既存のメトリックテスト機能を確認し、工学教育への典型的な、より複雑な問題に空間的評価の適用性を高めることが経験的生理学的データを利用する方法を紹介することを目指しています。これらの問題の多くは、工学静に遭遇することができます。 静は、基礎力学はもちろん、ほとんどの工学部の学生に配信される（ 例えば 、生物学、機械、土木、環境、航空宇宙工学）16,17。それは、学生はコア・エンジニアリング・コンテンツ18に記載されている最初の大規模な問題解決の経験の一つです。静は、安静時または一定の速度で動いている剛体に作用する力の相互作用の研究を伴います。残念ながら、静はinvesに見られるように、高中退、引きこもり、および故障率（14％を持っていますtigated大学）、これは、そのような教育に空間的に強化されたアプローチとして、サポートの主要な道を省略し、伝統的な講義やカリキュラムデリバリーモデルに関連する可能性があります。例えば、静力学における空間的に強化されたアプローチは力が典型的な解析的分析の外でどのように相互作用するかの可視化を標的とし、接地された概念を持つ学生の手続的知識を補強することができます。そのような介入の有効性は、認知神経科学の視点から調査する必要があります。 脳波（EEG）は、学生の脳波活性を測定するユニークなモバイル方法を提示します。ベータ活性化を惹起するタスクを実行する個人は、一般的には非常にタスクの仕様に係合し、彼らは19,20をやっていることに気配りされています。帯域周波数が占める皮質領域の大きさと同様に、タスクは、増加、ベータ波の振幅が増加を要求するように。内の火災よりニューロンベータ周波数範囲（アルファ：8から12ヘルツ、ベータ：12 - 24Hzの）が大きいベータ電力として定義することができます。一つのタスク内のより経験豊富になるように関連して、β波の振幅は小さいベータ発電減少します。これは、タスクを実行すると、高周波電力の減少に関連しているのより大きなタスクの経験神経効率仮説21-28、の一部です。 EEGは、以前に（多くの場合、心的回転と空間ナビゲーションタスクのための）空間能力の研究に使用されてきたが-と適用可能なデータは、アルファ、ベータ版で同定されており、シータバンド27-33 - αおよびβバンドはこのために観察されました研究、およびベータ版は、この論文では予備会議レポート9でさらに代表的な分析のために選択しました。ベータバンド分析に焦点を当てますが、すべての3つのバンドを調査、記録したデータに応じて、このようにして、以下に定義された手順は、将来的に推奨されます。 ザ神経効率仮説はチェス、視空間メモリ、バランスをとる、と休憩を含むさまざまなタスク、上でテストされています。おなじみのタスクを実行するとき、すべてが減少し高周波電力に要因としてタスクの経験を記載しております。一つの特定の研究25は、人の知性は（IQによって測定される）、個々のタスクを実行するためのスキルを習得に役立つ神経効率への貢献で知能を上回るタスクの経験ができるが、という証拠を提示しました。言い換えれば、より多くの個人が彼または彼女になり、より効率的である神経経験しました。 空間能力を伴う既存の神経効率研究は、主に空間的な回転に集中しており、別の問題セットは、異なる集団を比較するために使用されている（ 例えば 、男性/女性）27-28。空間能力のタスクの脳波研究は、他のタスクの種類に性能を比較することで洞察を提供している（ 例えば 、口頭での作業）27,29,30。方法は上のこの論文の焦点で議論し、MCT、PSVTから問題の比較：空間能力に関連しているが、空間回転とナビゲーションに限定されるものではなく、Rと同様に、静的平衡タスクを、。他の空間的なタスクは、本稿で例示したものの代わりに使用することができます。このように、追加的な洞察力が異なる集団について、将来的に得ることができる（ 例えば 、オス/メスまたは専門家/初心者）は、最終的に工学教育実践を改善するのに役立ちます。 空間能力とエンジニアリングの適性を調査するための努力で、我々は特定の空間的およびエンジニアリングタスクの限られたバッテリーの間に高性能の参加者に低パフォーマンスのベータ波のアクティベーションを識別するために、脳波測定値を利用したプロトコルを開発しました。この場合、用語ハイパフォーマーは、参加者のパフォーマンスに関連している、として、フィールドで過ごした時間の量の反射ではありません学習者、すべての参加者が彼らの教育でほぼ同じポイントであったように。また、関連する問題セットは非常に具体的かつ基本的なものです。このように、用語「専門家」または「高パフォーマンス」は、本明細書の専門家の感覚で見て、専門的に採用エンジニアが、エンジニアリング力学のカリキュラムと空間能力の楽器のこの狭いスライスのみで高い性能を表すことはできません。神経の測定は、タスクタイプは難易度のレベルに関する可能な解釈で、他のものよりも、認知資源を補充することができるため、任意の総傾向を識別するために使用することができます。この情報は、潜在的に空間能力に関して将来の評価と介入への洞察を提供してもよいです。他の将来の洞察は、使用されるEEGのハードウェアで使用可能なチャネルの限られた数のこの研究では不可能であった脳のより具体的な領域を考慮することによって導出することができます。

<table>
	<tbody>
		<tr>
			<td>Emotiv EPOC Model 1.0</td>
			<td>Emotiv</td>
			<td>Model: Emotiv Premium</td>
			<td>&#34;High resolution, multi-channel, portable EEG system.&#34;</td>
		</tr>
		<tr>
			<td>Emotiv Control Panel (software)</td>
			<td>Emotiv</td>
			<td></td>
			<td>Used for data collection.</td>
		</tr>
		<tr>
			<td>Emotiv Testbench (software)</td>
			<td>Emotiv</td>
			<td></td>
			<td>Used for data collection.</td>
		</tr>
		<tr>
			<td>Virtual Serial Port Emulator - VSPE (software)</td>
			<td>ETERLOGIC.COM</td>
			<td></td>
			<td>Used COM10 in data collection. Available as a free download, depending on the operating system.</td>
		</tr>
		<tr>
			<td>E-Prime 2.0 (software)</td>
			<td>Psychology Software Tools</td>
			<td></td>
			<td>Used for data collection (presentation of problems to participants and collection of markers for different phases).</td>
		</tr>
		<tr>
			<td>EEGLab 13.4.4b (software)</td>
			<td>Swartz Center for Computational Neuroscience (SCCN)</td>
			<td></td>
			<td>Used for data analysis. &#34;An open source environment for electrophysiological signal processing&#34;. SCCN is a Center of the Institute for Neural Computation, the University of California San Diego.</td>
		</tr>
		<tr>
			<td>MATLAB R2014b</td>
			<td>The Mathworks, Inc.</td>
			<td></td>
			<td>Used to run EEGLab</td>
		</tr>
		<tr>
			<td>Microsoft Excel 2013</td>
			<td>Microsoft</td>
			<td></td>
			<td>Used to assemble and compare tabulated results from EEGLab &#38; MATLAB, to create tables</td>
		</tr>
		<tr>
			<td>Camcorder with built in Mic</td>
			<td>Canon</td>
			<td>CNVHFR50</td>
			<td>Used to record sessions</td>
		</tr>
		<tr>
			<td>Syringe Kit (5cc syringe &#38; 2 16g blunted needles)</td>
			<td>Electro-Cap Intnl. Inc.</td>
			<td>E7</td>
			<td>For keeping the EEG cap&#39;s felts damp.</td>
		</tr>
		<tr>
			<td>Nuprep EEG Skin Prep Gel</td>
			<td>Weaver and Company</td>
			<td>10-30</td>
			<td>For cleaning the mastoid process.</td>
		</tr>
		<tr>
			<td>Sanitizer</td>
			<td>Purell</td>
			<td>S-12808</td>
			<td>For sanitizing hands</td>
		</tr>
	</tbody>
</table>

utilizing electroencephalography measurements for comparison of task-specific neural efficiencies: spatial intelligence tasks

空間的知性は、多くの場合、工学教育とエンジニアリングの職業での成功にリンクされています。彼らは解決策を導き出すための空間能力を必要とする連続したタスクを実行するよう、脳波の使用は個人の神経効率の比較計算を可能にします。神経の効率は、ここでは、他のグループや他のタスクと比較してタスクを実行するために、より少ないβ活性を有し、従ってより少ない神経リソースを消費として定義されます。同様の期間を持つタスクのタスク間の比較のために、これらの測定値は、タスクタイプの難易の比較を可能にすることができます。イントラ参加者と相互参加者の比較のために、これらの測定は、空間能力と異なるエンジニアリングの問題解決タスクの参加者のレベルに潜在的な洞察を提供しています。選択されたタスクのパフォーマンスを分析し、ベータ活動と相関させることができます。この作品は、学生のENGの神経効率を研究し、詳細な研究計画書を提示します典型的な空間能力と静力学の問題の解決で熟成。 、および静力学：学生が精神的に固有の問題テスト（MCT）ローテーションの、パーデュー空間の可視化試験（R PSVT）を切削を完了しました。これらの問題を解決するに従事しながら、参加者の脳波は、脳波をアルファおよびベータ脳波活性化および使用に関するデータを収集することができるようにして測定しました。作業は、エンジニアリングで成功した性能に経路および続くかもしれ工学教育における結果の改善を識別するために、空間的に集中的なエンジニアリング・タスクとの純粋な空間的なタスクの機能性能を相関させることになります。

以下に説明するように、このセクションでは、前述の手順は、サンプルの数字で示されています。本稿の目的は方法に焦点を当てることであるとして、統計的検定との完全なデータの要約は、提供されていません。潜在PSVTの例：R、MCT、および空間の問題はそれぞれ、 図1、 図2、及び図3に示されています。 EEGキャップは、図7に示すように並列に表示...

Watch this Scientific Journal Video about Utilizing Electroencephalography Measurements for Comparison of Task-Specific Neural Efficiencies: Spatial Intelligence Tasks at JoVE.com

Utilizing Electroencephalography Measurements for Comparison of Task-Specific Neural Efficiencies: Spatial Intelligence Tasks

本稿では、空間的に集束されたエンジニアリングの問題を解決しながら、人間の神経活動を測定するためのアプローチについて説明します。脳波の方法論は、最終的には、問題のタイプ間と参加者間の両方のタスクのパフォーマンスの比較を可能にする目的で、神経効率の点でベータ脳波測定値を解釈するのに役立ちます。

空間知能タスク：タスク固有ニューラル効率の比較のための脳波測定を活用

Spatial intelligence is often linked to success in engineering education and engineering professions. The use of electroencephalography enables ...

utilizing-electroencephalography-measurements-for-comparison-task

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Introduction to Psychology

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Thinking, Language And Intelligence

SCIENTISTS IN ACTION

11.3K ビュー.  Utah State University. 本稿では、空間的に集束されたエンジニアリングの問題を解決しながら、人間の神経活動を測定するためのアプローチについて説明します。脳波の方法論は、最終的には、問題のタイプ間と参加者間の両方のタスクのパフォーマンスの比較を可能にする目的で、神経効率の点でベータ脳波測定値を解釈するのに役立ちます。 

ビデオ: Utilizing Electroencephalography Measurements for Comparison of Task-Specific Neural Efficiencies: Spatial Intelligence Tasks

Simultaneous Scalp Electroencephalography (EEG), Electromyography (EMG), and Whole-body Segmental Inertial Recording for Multi-modal Neural Decoding

Recent studies support the involvement of supraspinal networks in control of bipedal human walking. Part of this evidence encompasses studies, including our previous work, demonstrating that gait kinematics and limb coordination during treadmill walking can be inferred from the scalp electroencephalogram (EEG) with reasonably high decoding accuracies. These results provide impetus for development of non-invasive brain-machine-interface (BMI) systems for use in restoration and/or augmentation of gait- a primary goal of rehabilitation research. To date, studies examining EEG decoding of activity during gait have been limited to treadmill walking in a controlled environment. However, to be practically viable a BMI system must be applicable for use in everyday locomotor tasks such as over ground walking and turning. Here, we present a novel protocol for non-invasive collection of brain activity (EEG), muscle activity (electromyography (EMG)), and whole-body kinematic data (head, torso, and limb trajectories) during both treadmill and over ground walking tasks. By collecting these data in the uncontrolled environment insight can be gained regarding the feasibility of decoding unconstrained gait and surface EMG from scalp EEG.

Simultaneous Scalp Electroencephalography EEG, Electromyography EMG, and Whole-body Segmental Inertial Recording for Multi-modal Neural Decoding

Development of an effective brain-machine-interface (BMI) system for restoration and rehabilitation of bipedal locomotion requires accurate decoding of user's intent. Here we present a novel experimental protocol and data collection technique for simultaneous non-invasive acquisition of neural activity, muscle activity, and whole-body kinematics during various locomotion tasks and conditions.

同時頭皮脳波（EEG）、筋電図（EMG）、およびマルチモーダル神経復号化するための全身分節慣性録音

Recent  studies support the involvement of supraspinal networks in control of bipedal  human walking. Part of this evidence  encompasses studies, ...

行動学

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Neuropsychological tasks used in primates to investigate mechanisms of learning and memory are typically visually guided cognitive tasks. We have developed visual cognitive tasks for rats using the Floor Projection Maze1,2&#160;that are optimized for visual abilities of rats permitting stronger comparisons of experimental findings with other species.
In order to investigate neural correlates of learning and memory, we have integrated electrophysiological recordings into fully automated cognitive tasks on the Floor Projection Maze1,2. Behavioral software interfaced with an animal tracking system allows monitoring of the animal's behavior with precise control of image presentation and reward contingencies for better trained animals. Integration with an in vivo electrophysiological recording system enables examination of behavioral correlates of neural activity at selected epochs of a given cognitive task.
We describe protocols for a model system that combines automated visual presentation of information to rodents and intracranial reward with electrophysiological approaches. Our model system offers a sophisticated set of tools as a framework for other cognitive tasks to better isolate and identify specific mechanisms contributing to particular cognitive processes.

We describe protocols for training rats for chronic electrophysiological recordings in fully automated cognitive tasks on a Floor Projection Maze.

フロアプロジェクション迷路を用いた記録神経活動のための自動化された視覚認知課題

Neuropsychological tasks used in primates to investigate mechanisms of learning and memory are typically visually guided cognitive tasks. We have ...

Performing Behavioral Tasks in Subjects with Intracranial Electrodes

Patients having stereo-electroencephalography (SEEG) electrode, subdural grid or depth electrode implants have a multitude of electrodes implanted in different areas of their brain for the localization of their seizure focus and eloquent areas. After implantation, the patient must remain in the hospital until the pathological area of brain is found and possibly resected. During this time, these patients offer a unique opportunity to the research community because any number of behavioral paradigms can be performed to uncover the neural correlates that guide behavior. Here we present a method for recording brain activity from intracranial implants as subjects perform a behavioral task designed to assess decision-making and reward encoding. All electrophysiological data from the intracranial electrodes are recorded during the behavioral task, allowing for the examination of the many brain areas involved in a single function at time scales relevant to behavior. Moreover, and unlike animal studies, human patients can learn a wide variety of behavioral tasks quickly, allowing for the ability to perform more than one task in the same subject or for performing controls. Despite the many advantages of this technique for understanding human brain function, there are also methodological limitations that we discuss, including environmental factors, analgesic effects, time constraints and recordings from diseased tissue. This method may be easily implemented by any institution that performs intracranial assessments; providing the opportunity to directly examine human brain function during behavior.

Patients implanted with intracranial electrodes provide a unique opportunity to record neurological data from multiple areas of the brain while the patient performs behavioral tasks. Here, we present a method of recording from implanted patients that can be reproducible at other institutions with access to this patient population.

頭蓋内電極を有する被験者に行動タスクの実行

Patients having stereo-electroencephalography (SEEG) electrode, subdural grid or depth electrode implants have a multitude of electrodes implanted in ...

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

Behavioral assays are commonly used for the assessment of sensorimotor impairment in the central nervous system (CNS). The most sophisticated methods for quantifying locomotor deficits in rodents is to measure minute disturbances of unconstrained gait overground (e.g., manual BBB score or automated CatWalk). However, cortical inputs are not required for the generation of basic locomotion produced by the spinal central pattern generator (CPG). Thus, unconstrained walking tasks test locomotor deficits due to motor cortical impairment only indirectly. In this study, we propose a novel, precise foot-placement locomotor task that evaluates cortical inputs to the spinal CPG. An instrumented peg-way was used to impose symmetrical and asymmetrical locomotor tasks mimicking lateralized movement deficits. We demonstrate that shifts from equidistant inter-stride lengths of 20% produce changes in the forelimb stance phase characteristics during locomotion with preferred stride length. Furthermore, we propose that the asymmetric walkway allows for measurements of behavioral outcomes produced by cortical control signals. These measures are relevant for the assessment of impairment after cortical damage.

Here, we present a protocol to quantify precise stepping in rodents. Cortical and the spinal central pattern generator signals are required for precise foot-placement during obstructed locomotion. We report here the novel constrained walking task that directly examines precise stepping behavior.

非対称遊歩道：非対称歩行研究のための新しい行動アッセイ

Behavioral assays are commonly used for the assessment of sensorimotor impairment in the central nervous system (CNS). The most sophisticated methods for ...

Using the Activity-based Anorexia Rodent Model to Study the Neurobiological Basis of Anorexia Nervosa

Anorexia nervosa (AN) is a psychiatric illness characterized by excessively restricted caloric intake and abnormally high levels of physical activity. A challenging illness to treat, due to the lack of understanding of the underlying neurobiology, AN has the highest mortality rate among psychiatric illnesses. To address this need, neuroscientists are using an animal model to study how neural circuits may contribute toward vulnerability to AN and may be affected by AN. Activity-based anorexia (ABA) is a bio-behavioral phenomenon described in rodents that models the key symptoms of anorexia nervosa. When rodents with free access to voluntary exercise on a running wheel experience food restriction, they become hyperactive &#8211; running more than animals with free access to food. Here, we describe the procedures by which ABA is induced in adolescent female C57BL/6 mice. On postnatal day 36 (P36), the animal is housed with access to voluntary exercise on a running wheel. After 4 days of acclimation to the running wheel, on P40, all food is removed from the cage. For the next 3 days, food is returned to the cage (allowing animals free food access) for 2 hr daily. After the fourth day of food restriction, free access to food is returned and the running wheel is removed from the cage to allow the animals to recover. Continuous multi-day analysis of running wheel activity shows that mice become hyperactive within 24 hr following the onset of food restriction. The mice run even during the limited time during which they have access to food. Additionally, the circadian pattern of wheel running becomes disrupted by the experience of food restriction. We have been able to correlate neurobiological changes with various aspects of the animals&#8217; wheel running behavior to implicate particular brain regions and neurochemical changes with resilience and vulnerability to food-restriction induced hyperactivity.

Here we present a protocol to induce activity-based anorexia (ABA) in female adolescent mice. ABA is a condition of hyperactivity evoked by imposing food restriction on rodents with access to a running wheel. This phenomenon is being used as a model to study the underlying neurobiology of anorexia nervosa.

神経性食欲不振症の神経生物学的基礎を研究する活動ベースの食欲不振齧歯類モデルを用いました

Anorexia nervosa (AN) is a psychiatric illness characterized by excessively restricted caloric intake and abnormally high levels of physical activity. A ...

Using Laser Doppler Imaging and Monitoring to Analyze Spinal Cord Microcirculation in Rat

Laser Doppler flowmetry (LDF) is a noninvasive method for blood flow (BF) measurement, which makes it preferable for measuring microcirculatory alterations of the spinal cord. In this article, our goal was to use both Laser Doppler imaging and monitoring to analyze the change of BF after spinal cord injury. Both the laser Doppler image scanner and the probe/monitor were being employed to obtain each readout. The data of LDPI provided a local distribution of BF, which gave an overview of perfusion around the injury site and made it accessible for comparative analysis of BF among different locations. By intensely measuring the probing area over a period of time, a combined probe was used to simultaneously measure the BF and oxygen saturation of the spinal cord, showing overall spinal cord perfusion and oxygen supply. LDF itself has a few limitations, such as relative flux, sensitivity to movement, and biological zero signal. However, the technology has been applied in clinical and experimental study due to its simple setup and rapid measurement of BF.

Here we present a combination of laser Doppler perfusion imaging (LDPI) and laser Doppler perfusion monitoring (LDPM) to measure spinal cord local blood flows and oxygen saturation (SO2), as well as a standardized procedure for introducing spinal cord trauma on rat.

レーザーのドップラー イメージングおよび監視を使用したラット脊髄の微小循環の分析

Laser Doppler flowmetry (LDF) is a noninvasive method for blood flow (BF) measurement, which makes it preferable for measuring microcirculatory ...

The (Spatial) Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

The memory game paradigm is a behavioral procedure to explore the relationship between language, spatial memory, and object knowledge. Using two different versions of the paradigm, spatial language use and memory for object location are tested under different, experimentally manipulated conditions. This allows us to tease apart proposed models explaining the influence of object knowledge on spatial language (e.g., spatial demonstratives), and spatial memory, as well as understanding the parameters that affect demonstrative choice and spatial memory more broadly. Key to the development of the method was the need to collect data on language use (e.g., spatial demonstratives: &#34;this/that&#34;) and spatial memory data under strictly controlled conditions, while retaining a degree of ecological validity. The language version (section 3.1) of the memory game tests how conditions affect language use. Participants refer verbally to objects placed at different locations (e.g., using spatial demonstratives: &#34;this/that red circle&#34;). Different parameters can be experimentally manipulated: the distance from the participant, the position of a conspecific, and for example whether the participant owns, knows, or sees the object while referring to it. The same parameters can be manipulated in the memory version of the memory game (section 3.2). This version tests the effects of the different conditions on object-location memory. Following object placement, participants get 10 seconds to memorize the object&#39;s location. After the object and location cues are removed, participants verbally direct the experimenter to move a stick to indicate where the object was. The difference between the memorized and the actual location shows the direction and strength of the memory error, allowing comparisons between the influences of the respective parameters.

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

We present a protocol to explore the relationship between spatial language production, spatial memory, and object knowledge. The procedure allows experimental manipulation of, and control over, conditions of object knowledge, language at instruction, and physical location, thus teasing apart cognitive and linguistic models describing interactions between these variables.

(空間的) メモリ ゲーム: テスト空間言語、オブジェクトの知識と空間認知との関係

The memory game paradigm is a behavioral procedure to explore the relationship between language, spatial memory, and object knowledge. Using two different ...

A Behavioral Assay for Investigating the Role of Spatial Memory During Instinctive Defense in Mice

Evolution has selected a repertoire of defensive behaviors that are essential for survival across all animal species. These behaviors are often stereotyped actions elicited in response to innately aversive sensory stimuli, but their success requires enough flexibility for adapting to different spatial environments, which can change rapidly. Here, we describe a behavioral assay to evaluate the influence of learned spatial knowledge on defensive behaviors in mice. We have adapted the widely used Barnes maze spatial memory assay to investigate how mice navigate to a shelter during escape responses to innately aversive sensory stimuli in a novel environment, and how they adapt to acute changes in the environment. This new assay is an ethological paradigm that does not require training and exploits the natural exploration patterns and navigation strategies in mice. We propose that the set of protocols described here are a powerful means of studying goal-directed behaviors and stimulus-triggered navigation, which should be of interest to both the fields of instinctive behaviors and spatial memory.

This protocol describes a behavioral assay, based on the Barnes maze test, to study how instinctive defensive actions are modified by the knowledge of spatial environment.

マウスで本能的な防衛中に空間記憶の役割を調査するため行動分析

Evolution has selected a repertoire of defensive behaviors that are essential for survival across all animal species. These behaviors are often ...

Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content

This article explores a method to detect differences in visual perception in humans. The method used is based on the psychological (or "cognitive") function of eyeblinks. Participants' eyeblinks are detected and acquired while watching videos specifically created for the investigation. The detection and acquisition of eyeblinks are carried out with the help of a 20-channel electroencephalographic (EEG) wireless device. The international 10-20 system for electrode placement is followed. A high-definition (HD) video camera is used to record participants' facial expressions, for contrast purposes. Instead of using pre-existing media content, purpose-made video content has been created following specific criteria of interest for this investigation, with stimuli enabling researchers to manage the precise parameters of interest. Otherwise, results could be contaminated with uncontrolled variables. The synchronization of the presentation of video stimuli with EEG recordings needs to be done in milliseconds. Analysis of collected data is performed with robust software for working with big matrices. Statistically significant differences in eyeblink rate related to media professionalization and editing style are found with the reported experimental procedures.

We present detection, acquisition, and analysis of eyeblink rates while watching media content.

脳波測定と高品質のビデオ録画を使用して、メディア コンテンツの視覚認識を分析するため

This article explores a method to detect differences in visual perception in humans. The method used is based on the psychological (or "cognitive") ...

Utilizing a Reconfigurable Maze System to Enhance the Reproducibility of Spatial Navigation Tests in Rodents

Several maze shapes are used to test spatial navigation performance and behavioral phenotypes. Traditionally, each experiment requires a unique maze shape, thus requiring several separate mazes in different configurations. The maze geometry cannot be reconfigured in a single environment to accommodate scalability and reproducibility. The reconfigurable maze is a unique approach to address the limitations, allowing quick and flexible configurations of maze pathways in a repeatable manner. It consists of interlocking pathways and includes feeders, treadmills, movable walls, and shut-off sensors. The current protocol describes how the reconfigurable maze can replicate existing mazes, including the T-shaped, plus-shaped, W-shaped, and figure-eight mazes. Initially, the T-shaped maze was constructed inside a single experimental room, followed by modifications. The rapid and scalable protocol outlined herein demonstrates the flexibility of the reconfigurable maze, achieved through the addition of components and behavioral training phases in a stepwise manner. The reconfigurable maze systematically and precisely assesses the performance of multiple aspects of spatial navigation behavior.

The present protocol describes a reconfigurable maze, a unique system for testing spatial navigation and behavioral phenotypes in rodents. The adaptability of this maze system enables the execution of various experiments in a single physical environment. The ease of structural rearrangement generates reliable and reproducible experimental results.

再構成可能な迷路システムを利用して、げっ歯類の空間ナビゲーションテストの再現性を高める

Several maze shapes are used to test spatial navigation performance and behavioral phenotypes. Traditionally, each experiment requires a unique maze ...