Time-lapse movie of <i>Tethya wilhelma</i> reacting upon extracorporal caffeine application (attenuated amplitude, local contractions) The movie represents the time-lapse image series of the time period displayed as a contraction pattern graph in Fig. 3c. The time span of extracorporeal application of the substance is indicted in the movie as well as the elapsed time. Shifts in perspective are a result of unintentional slight shifts of the camera during the experiment. Time-lapse 2300-fold. For more details refer to the results section of the manuscript.
Ellwanger K, Nickel M
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<cite style="font-style:normal">Ellwanger K, Nickel M (2006). "<a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1502136">Neuroactive substances specifically modulate rhythmic body contractions in the nerveless metazoon Tethya wilhelma (Demospongiae, Porifera)</a>". <i>Frontiers in Zoology</i>. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1186/1742-9994-3-7">10.1186/1742-9994-3-7</a>. <a href="https://en.wikipedia.org/wiki/PMID" class="extiw" title="w:PMID">PMID</a> <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/16643651">16643651</a>. <a href="https://en.wikipedia.org/wiki/PubMed_Central" class="extiw" title="w:PubMed Central">PMC</a>: <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1502136">1502136</a>.</cite>