Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Threshold for detecting temperature changes in a spider thermoreceptor

R Ehn1, H Tichy

  • 1Institut für Zoologie, Universität Wien, Biologiezentrum, Vienna, Austria.

Journal of Neurophysiology
|October 1, 1996
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Insect hygroreceptor responses to continuous changes in humidity and air pressure.

Journal of neurophysiology·2010
Same author

Continuous tonic spike activity in spider warm cells in the absence of sensory input.

Journal of neurophysiology·2006
Same author

Low rates of change enhance effect of humidity on the activity of insect hygroreceptors.

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology·2003
Same author

Cold-receptor cells supply both cold- and warm-responsive projection neurons in the antennal lobe of the cockroach.

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology·2002
Same author

Identification of two Ikaros-like transcription factors in lamprey.

Scandinavian journal of immunology·2002
Same author

Evolution of Mhc class II B genes in Darwin's finches and their closest relatives: birth of a new gene.

Immunogenetics·2002
Same journal

Comprehensive Analysis of Auditory Nerve Fiber Responses using Fiber-Specific Modeling.

Journal of neurophysiology·2026
Same journal

HCN channels modulate the medium afterhyperpolarization and adjust the firing gain of fast alpha motoneurons in mice.

Journal of neurophysiology·2026
Same journal

Targeting intracranial electrical stimulation to network regions defined within individuals causes network-level effects.

Journal of neurophysiology·2026
Same journal

When "Noise" Isn't Simply Noise: Deterministic Postural Drive During Noisy Galvanic Vestibular Stimulation (nGVS).

Journal of neurophysiology·2026
Same journal

Abrupt Scene Onsets and Gradually Emerging Scene Information Produce Distinct EEG Decoding Dynamics.

Journal of neurophysiology·2026
Same journal

From discovery to translation: charting a course for the <i>Journal of Neurophysiology</i>.

Journal of neurophysiology·2026
See all related articles

Researchers determined the temperature detection threshold for spider warm receptors using frequency-dependent noise analysis. The threshold for Cupiennius salei spiders ranges from 0.6 to 0.08 degrees C.

Area of Science:

  • Neuroscience
  • Sensory Biology
  • Biophysics

Background:

  • Warm receptors in spiders, specifically Cupiennius salei, are crucial for detecting thermal changes.
  • Understanding the detection threshold of these receptors provides insight into their sensory capabilities.

Purpose of the Study:

  • To determine the threshold for detecting temperature changes in the warm receptor of the wandering spider Cupiennius salei.
  • To analyze the frequency-dependent noise characteristics of the warm receptor.

Main Methods:

  • The warm receptor was modeled as a linear system with amplifier gain and input noise.
  • Sinusoidal temperature modulations were used to investigate the frequency response (0.05–12.8 Hz).
  • Input noise density was calculated from output noise density and gain measurements.

Related Experiment Videos

Main Results:

  • Warm receptor gain increased with frequency up to 6.4 Hz (0.19 to 3.1 degrees C-1) but decreased at 12.8 Hz.
  • Input noise density decreased with frequency (1.1 to 0.12 degrees C*Hz-0.5) between 0.05 and 6.4 Hz.
  • Estimated temperature detection thresholds ranged from 0.6 to 0.08 degrees C, depending on receptor input summation.

Conclusions:

  • The study quantifies the temperature detection threshold in Cupiennius salei warm receptors.
  • Frequency-dependent noise analysis is a viable method for assessing sensory receptor thresholds.
  • The findings contribute to understanding thermal sensing mechanisms in arthropods.