Scent Trail

A scent trail is a path of odor cues that guides an animal’s movement and influences behaviors such as foraging, navigation, territorial defense, and mate seeking. Animals create or encounter these trails when volatile or persistent chemical compounds are deposited on surfaces or released into the air, then detect them through olfactory receptors and follow changing odor concentration, direction, or composition. Scent trails are especially important in insects and mammals, where they can coordinate group activity, mark resources, or communicate social information. Studying this behavior helps researchers understand chemical communication, movement ecology, predator-prey interactions, and the sensory mechanisms underlying animal decision-making.

Scent Trail - Related Videos

Research

JoVE Journal - Medicine

Traditional Trail Making Test Modified into Brand-new Assessment Tools: Digital and Walking Trail Making Test

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Cited by 10 •

2019

Here, we present a protocol to show how to perform two types of cognitive assessment tools derived from the paper-pencil version of the Trail Making Test.

Research

JoVE Journal - Neuroscience
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The Dig Task: A Simple Scent Discrimination Reveals Deficits Following Frontal Brain Damage

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Cited by 14 •

2013

In this protocol, a novel application of scent discrimination is described. The Dig task is a reasonably inexpensive task that can be used to assess frontally-mediated cognition following brain damage.

Sampling and Analysis of Animal Scent Signals

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Cited by 7 •

2021

We have developed an effective methodology for sampling and analysis of odor signals in order to understand how they may be used in animal communication. Particularly, we use headspace solid-phase microextraction coupled with gas chromatography-mass spectrometry to analyze the volatile components of animal odors and scent-markings.

A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat

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Cited by 2 •

2009

In a piloting scent tracking task, the ability of the rats to return to a refuge with food using visual an odor trail or using dead reckoning in infrared light, the integrated record of previous movements, demonstrates that the hippocampus is necessary for dead reckoning.

Research

JoVE Journal - Biology
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Sexual Development and Ascospore Discharge in Fusarium graminearum

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Cited by 79 •

2012

Sexual crosses and isolation of recombinant progeny are important research tools for the filamentous fungus, Fusarium graminearum, The techniques necessary successfully carry out these processes are presented.

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