Sensory trap leads to reliable communication without a shift in nonsexual responses to the model cue
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.Female sea lamprey (Petromyzon marinus) responses to chemical signals differ between migration and mating. Migratory females do not discriminate between larval and male chemical cues, unlike spawning females.
Area Of Science
- Evolutionary biology
- Animal behavior
- Chemical ecology
Background
- The sensory trap model explains signal evolution where males mimic nonsexual cues to deceive females.
- Female responses to these deceptive signals are not well understood.
- Sea lamprey (Petromyzon marinus) females have evolved to distinguish male sex pheromones from larval odors.
Purpose Of The Study
- To test if migratory sea lamprey females discriminate between larval odor and male pheromones during anadromous migration.
- To determine if females orient towards larval odor during migration before mate searching.
Main Methods
- In-stream behavioral assays were conducted with sea lamprey.
- Chemical cues, 3-keto petromyzonol sulfate (3kPZS) and petromyzonol sulfate (PZS), were used at ratios mimicking larval and male odors.
- Behavioral responses of migratory females were compared to known responses of spawning females.
Main Results
- Migratory sea lamprey females did not discriminate between 3kPZS and PZS mixtures at ratios typical of larval versus male odors.
- Spawning females, however, do discriminate, avoiding larval odor and orienting towards the male pheromone.
- This indicates females differentiate signal sources context-dependently.
Conclusions
- Sea lamprey females discriminate between sexual and nonsexual sources of 3kPZS during mating but not during migration.
- Sensory traps can facilitate reliable sexual communication without altering female responses in the original nonsexual context.
- Female sensory perception evolves to match the specific needs of different behavioral contexts.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
The concept of nonconscious mimicry is not a new one. How often do you find yourself mimicking someone’s behavior or speech, or even beginning to like the same things that they do? Such actions relate to forming affiliation and fitting in within social situations. Here, this phenomenon will be explored from various aspects to understand how...
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
Types of Communication
A common form of communication is visual. Visual communication can be...
Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or attitudes that may or may not be accurate. In the scientific community, facts can be established only using evidence collected through empirical research.
The Process of Scientific Research
Scientific knowledge is advanced through a process known as the scientific method. Basically, ideas (in the form of theories and hypotheses) are tested...
Neurons communicate with one another by passing on their electrical signals to other neurons. A synapse is the location where two neurons meet to exchange signals. At the synapse, the neuron that sends the signal is called the presynaptic cell, while the neuron that receives the message is called the postsynaptic cell. Note that most neurons can be both presynaptic and postsynaptic, as they both transmit and receive information.
An electrical synapse is one type of synapse in which the pre-...
Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
Sensory systems include the visual, auditory, gustatory (taste), olfactory (smell), somatosensory (touch, pain, temperature, and...