Titre : Zea mays

Zea mays : Questions médicales fréquentes

Termes MeSH sélectionnés :

Eye-Tracking Technology
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stress hydrique ?\nQuels symptômes d'une maladie virale ?\nComment détecter une intoxication par pesticides ?", "url": "https://questionsmedicales.fr/mesh/D003313?mesh_terms=Eye-Tracking+Technology&page=7#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Zea mays", "description": "Comment prévenir les maladies du maïs ?\nQuelles pratiques pour éviter les infestations d'insectes ?\nComment éviter le stress hydrique ?\nQuelles mesures pour la qualité du sol ?\nComment prévenir les carences nutritionnelles ?", "url": "https://questionsmedicales.fr/mesh/D003313?mesh_terms=Eye-Tracking+Technology&page=7#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Zea mays", "description": "Quels traitements pour les maladies fongiques ?\nComment traiter les infestations d'insectes ?\nQuelles solutions pour le stress hydrique ?\nComment gérer les carences nutritionnelles ?\nQuels traitements pour les maladies virales ?", "url": "https://questionsmedicales.fr/mesh/D003313?mesh_terms=Eye-Tracking+Technology&page=7#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Zea mays", "description": "Quelles complications des maladies fongiques ?\nQuels risques d'infestation d'insectes ?\nQuelles conséquences du stress hydrique ?\nQuels effets des maladies virales ?\nQuelles complications des carences nutritionnelles ?", "url": "https://questionsmedicales.fr/mesh/D003313?mesh_terms=Eye-Tracking+Technology&page=7#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Zea mays", "description": "Quels facteurs augmentent le risque de maladies ?\nComment le climat influence-t-il le maïs ?\nQuels sols favorisent les maladies ?\nComment la monoculture affecte-t-elle le maïs ?\nQuels sont les risques liés aux pesticides ?", "url": "https://questionsmedicales.fr/mesh/D003313?mesh_terms=Eye-Tracking+Technology&page=7#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier une variété de maïs ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'identification se fait par l'examen des caractéristiques morphologiques des épis et des grains." } }, { "@type": "Question", "name": "Quels tests pour détecter des maladies du maïs ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de laboratoire comme l'analyse de l'ADN et l'observation des symptômes sur les feuilles." } }, { "@type": "Question", "name": "Quels signes indiquent une carence en nutriments ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des feuilles jaunies, un retard de croissance et des épis mal formés peuvent indiquer une carence." } }, { "@type": "Question", "name": "Comment évaluer la qualité du maïs ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "La qualité se mesure par l'humidité, la taille des grains et l'absence de contaminants." } }, { "@type": "Question", "name": "Quels symptômes de maladies fongiques ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des taches foliaires, des pourritures des racines et des épis déformés sont des symptômes courants." } }, { "@type": "Question", "name": "Quels symptômes d'une infestation d'insectes ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des trous dans les feuilles, des épis mangés et une croissance ralentie sont des signes d'infestation." } }, { "@type": "Question", "name": "Comment reconnaître le flétrissement ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Le flétrissement se manifeste par des feuilles tombantes et une décoloration, souvent due à un stress hydrique." } }, { "@type": "Question", "name": "Quels signes de stress hydrique ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des feuilles enroulées, une croissance réduite et des épis petits peuvent indiquer un stress hydrique." } }, { "@type": "Question", "name": "Quels symptômes d'une maladie virale ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des motifs de mosaïque sur les feuilles et une croissance anormale des épis sont des indicateurs." } }, { "@type": "Question", "name": "Comment détecter une intoxication par pesticides ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme le jaunissement des feuilles et la mort des plants peuvent indiquer une intoxication." } }, { "@type": "Question", "name": "Comment prévenir les maladies du maïs ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des semences résistantes et pratiquer la rotation des cultures pour réduire les risques." } }, { "@type": "Question", "name": "Quelles pratiques pour éviter les infestations d'insectes ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir une bonne hygiène des cultures et utiliser des pièges à insectes pour surveiller les populations." } }, { "@type": "Question", "name": "Comment éviter le stress hydrique ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Planifier l'irrigation en fonction des besoins des cultures et des conditions climatiques." } }, { "@type": "Question", "name": "Quelles mesures pour la qualité du sol ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Effectuer des analyses de sol régulières et appliquer des amendements organiques pour améliorer la qualité." } }, { "@type": "Question", "name": "Comment prévenir les carences nutritionnelles ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des engrais équilibrés et surveiller régulièrement l'état nutritionnel des plantes." } }, { "@type": "Question", "name": "Quels traitements pour les maladies fongiques ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "L'application de fongicides et la rotation des cultures sont des méthodes efficaces." } }, { "@type": "Question", "name": "Comment traiter les infestations d'insectes ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des insecticides spécifiques et introduire des prédateurs naturels pour contrôler les populations." } }, { "@type": "Question", "name": "Quelles solutions pour le stress hydrique ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Améliorer l'irrigation et utiliser des variétés résistantes à la sécheresse peuvent aider." } }, { "@type": "Question", "name": "Comment gérer les carences nutritionnelles ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Appliquer des engrais appropriés et ajuster le pH du sol pour corriger les carences." } }, { "@type": "Question", "name": "Quels traitements pour les maladies virales ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de traitement spécifique, mais la prévention par la sélection de semences est cruciale." } }, { "@type": "Question", "name": "Quelles complications des maladies fongiques ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les maladies fongiques peuvent entraîner une perte de rendement et des contaminations mycotoxiques." } }, { "@type": "Question", "name": "Quels risques d'infestation d'insectes ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Les infestations peuvent causer des dommages structurels aux plantes et réduire la qualité des grains." } }, { "@type": "Question", "name": "Quelles conséquences du stress hydrique ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Le stress hydrique peut entraîner une réduction significative des rendements et des pertes économiques." } }, { "@type": "Question", "name": "Quels effets des maladies virales ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les maladies virales peuvent provoquer des déformations des épis et une baisse de la productivité." } }, { "@type": "Question", "name": "Quelles complications des carences nutritionnelles ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les carences peuvent entraîner des déformations des plantes et une susceptibilité accrue aux maladies." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de maladies ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'humidité excessive, la densité de plantation et l'utilisation de semences non résistantes augmentent les risques." } }, { "@type": "Question", "name": "Comment le climat influence-t-il le maïs ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Des conditions climatiques extrêmes, comme la sécheresse ou l'humidité, peuvent affecter la croissance." } }, { "@type": "Question", "name": "Quels sols favorisent les maladies ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les sols mal drainés et riches en matière organique peuvent favoriser le développement de maladies." } }, { "@type": "Question", "name": "Comment la monoculture affecte-t-elle le maïs ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "La monoculture peut accroître la vulnérabilité aux maladies et réduire la biodiversité du sol." } }, { "@type": "Question", "name": "Quels sont les risques liés aux pesticides ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Une utilisation excessive de pesticides peut entraîner des résistances et des impacts environnementaux négatifs." } } ] } ] }

Sources (10000 au total)

Metacognitive prompts and numerical ordinality in solving word problems: An eye-tracking study.

The ability to translate concrete manipulatives into abstract mathematical formulas can aid in the solving of mathematical word problems among students, and metacognitive prompts play a significant ro... Based on the concept of semantic congruence, we explored the effects of metacognitive prompts and numerical ordinality on information searching and cognitive processing, throughout the process of solv... Participants included 73 primary school students (38 boys and 35 girls) with normal or corrected visual acuity.... This study was based on a 2 (prompt information: no-prompt, metacognitive-prompt) × 2 (number attribute: cardinal number, ordinal number) mixed experimental design. We analysed multiple eye-movement i... When solving both types of problems, pupil sizes were significantly smaller under the metacognitive-prompt condition compared with the no-prompt condition, and shorter dwell time for specific sentence... The results indicate that for Chinese upper-grade primary school students, cognitive load was lower in the metacognitive prompting condition and when solving cardinal problems, and higher when solving...

Comparison of stereopsis thresholds measured with conventional methods and a new eye tracking method.

Stereopsis is the ability to perceive depth using the slightly different views from two eyes. This study aims to conduct innovative stereopsis tests using the objective data outputted by eye tracking ... A laptop and an eye tracker were used to establish the test system. Anaglyphic glasses were employed to execute the stereopsis assessment. The test symbol employed was devised to emulate the quantitat... The Wilcoxon signed-rank test showed no significant difference between conventional and eye tracking thresholds of stereopsis (Z = -1.497, P = 0.134). There was a high level of agreement between the t... Stereoacuity can be evaluated utilizing an innovative stereopsis measurement system grounded in eye tracking technology....

Machine learning algorithms on eye tracking trajectories to classify patients with spatial neglect.

Eye-movement trajectories are rich behavioral data, providing a window on how the brain processes information. We address the challenge of characterizing signs of visuo-spatial neglect from saccadic e... We establish a standardized pre-processing pipeline adaptable to other task-based eye-tracker measurements. We use traditional machine learning algorithms together with deep convolutional networks (bo... Our top-performing machine learning models classified neglect patients vs. healthy individuals with an Area Under the ROC curve (AUC) ranging from 0.83 to 0.86. Moreover, the 1D convolutional neural n... The study introduces new methods for both the pre-processing and the classification of eye-movement trajectories in patients with neglect syndrome. The proposed methods can likely be applied to other ...