Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Predator-Prey Interactions02:39

Predator-Prey Interactions

22.0K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
22.0K
Epiphytes, Parasites, and Carnivores02:40

Epiphytes, Parasites, and Carnivores

17.0K
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the...
17.0K
Optimal Foraging00:48

Optimal Foraging

14.1K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
14.1K
Defenses Against Pathogens and Herbivores02:26

Defenses Against Pathogens and Herbivores

29.8K
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
29.8K
Symbiosis00:58

Symbiosis

37.9K
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
37.9K
Frequency-dependent Selection01:21

Frequency-dependent Selection

24.4K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.4K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Prefrontal long-range somatostatin inhibitory projections modulate fear expression.

Frontiers in cellular neuroscience·2026
Same author

Of mice and gender: considering gender norms in rodent models.

Biology of sex differences·2026
Same author

Prefrontal neural geometry of learned cues guides motivated behaviours.

Nature·2026
Same author

Self-supervised learning reduces label noise in sharp wave ripple classification.

Scientific reports·2025
Same author

Dye-Based Fluorescent Organic Nanoparticles, New Promising Tools for Optogenetics.

Advanced healthcare materials·2024
Same author

Tracking defensive states with prefrontal dynorphin-expressing neurons.

Neuron·2024

Video Experimental Relacionado

Updated: Mar 8, 2026

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents
06:25

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

Published on: May 16, 2025

1.5K

Sangre en las vías: dos vías para la depredación

Robert R Rozeske1, Cyril Herry1

  • 1INSERM, Neurocentre Magendie, U1215, 146 Rue Léo-Saignat, 33077 Bordeaux, France; University Bordeaux, Neurocentre Magendie, U1215, 146 Rue Léo-Saignat, 33077 Bordeaux, France.

Cell
|January 14, 2017
PubMed
Resumen

Los investigadores descubrieron dos circuitos cerebrales de la amígdala central que controlan los comportamientos depredadores, mejorando la captura de presas y la eficiencia de la matanza.

Más Videos Relacionados

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes
06:27

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

Published on: September 4, 2016

10.4K
Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments
09:03

Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments

Published on: May 21, 2019

10.1K

Videos de Experimentos Relacionados

Last Updated: Mar 8, 2026

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents
06:25

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

Published on: May 16, 2025

1.5K
Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes
06:27

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

Published on: September 4, 2016

10.4K
Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments
09:03

Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments

Published on: May 21, 2019

10.1K

Área de la Ciencia:

  • La neurociencia
  • Biología del comportamiento
  • Neurobiología

Sus antecedentes:

  • El comportamiento depredador es esencial para la supervivencia pero requiere una coordinación precisa entre la persecución y el consumo.
  • Los circuitos neuronales específicos que gobiernan estas acciones coordinadas siguen siendo en gran medida no identificados.

Objetivo del estudio:

  • Para aclarar las bases neuronales de los comportamientos depredadores coordinados.
  • Para identificar los circuitos neuronales que controlan la eficiencia de captura de la presa y la mordedura letal.

Principales métodos:

  • El estudio investigó los circuitos neuronales en la amígdala central.
  • El análisis se centró en la identificación de vías que controlan componentes distintos de las secuencias depredadoras.

Principales resultados:

  • Se identificaron dos circuitos neuronales distintos y coordinados que se originan en la amígdala central.
  • Estos circuitos regulan diferencialmente la eficiencia de la persecución de presas y la ejecución de mordeduras mortales.

Conclusiones:

  • La amígdala central juega un papel crucial en la orquestación de acciones depredadoras complejas a través de la actividad del circuito coordinado.
  • Comprender estos circuitos proporciona información sobre las bases neuronales de los comportamientos motivados y el control motor.