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Related Concept Videos

Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

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Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
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Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
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A student is tasked to work on an intriguing experiment involving an RL (Resistor-Inductor) circuit to study the muscle response of a frog's leg to electrical stimulation. The RL circuit plays a crucial role in this experiment, providing the means to control and measure the electrical impulses that trigger muscle contraction.
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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Induction of Hypoxia in Living Frog and Zebrafish Embryos
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A cognitive map in a poison frog.

Yuxiang Liu1, Lainy B Day2, Kyle Summers3

  • 1Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA.

The Journal of Experimental Biology
|June 12, 2019
PubMed
Summary
This summary is machine-generated.

Poison frogs can create a cognitive map, a mental representation of their environment, to navigate efficiently. This finding in *Dendrobates auratus* suggests spatial mapping abilities may be conserved across vertebrates.

Keywords:
AmphibianMorris water mazeParallel map theoryPoison dart frogSketch mapSpatial cognitionTrajectory analysis

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Area of Science:

  • Cognitive Science
  • Neuroscience
  • Animal Behavior

Background:

  • Cognitive maps are crucial for navigation in many vertebrates, but their presence in amphibians is poorly understood.
  • Previous studies on amphibians have yielded negative results regarding cognitive map usage.
  • Poison frogs display complex spatial behaviors and homing abilities, hinting at advanced navigation strategies.

Purpose of the Study:

  • To investigate whether the poison frog, *Dendrobates auratus*, can form and utilize a cognitive map.
  • To determine if amphibians possess the capacity for spatial representation beyond simple navigation cues.
  • To compare amphibian spatial cognition with that of mammals and birds.

Main Methods:

  • A modified Morris water maze was employed to train poison frogs, suppressing wall-hugging behavior.
  • Frogs were trained to locate a hidden platform using a configuration of visual cues.
  • Navigation efficiency and path directness from various starting points were analyzed.

Main Results:

  • *Dendrobates auratus* successfully learned to locate the hidden platform using visual cues.
  • Frogs demonstrated the ability to choose direct paths to the goal from multiple random starting positions.
  • The frogs' performance was qualitatively similar to that of rodents in water maze tasks.

Conclusions:

  • Poison frogs possess the ability to create and use cognitive maps for navigation.
  • This study provides evidence for cognitive mapping in amphibians, challenging previous assumptions.
  • The capacity for cognitive mapping may be an evolutionarily conserved trait in vertebrates.