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University of Salahaddin, Iraq

3 ARTICLES PUBLISHED IN JoVE

Neuroscience

Neural Circuit Recording from an Intact Cockroach Nervous System

Josh S. Titlow¹, Zana R. Majeed^1,2, H. Bernard Hartman³, Ellen Burns¹, Robin L. Cooper¹

¹Department of Biology, University of Kentucky , ²Department of Biology, University of Salahaddin, ³Oregon Institute of Marine Biology, University of Oregon

This article describes the cockroach ventral nerve cord dissection and extracellular recordings from the cercal nerve and connectives. Evoked responses are generated by electrical stimulation of the cercal nerve or direct mechanical stimulation of the cerci.

Neuroscience

Intracellular Recording, Sensory Field Mapping, and Culturing Identified Neurons in the Leech, Hirudo medicinalis

Josh Titlow¹, Zana R. Majeed^1,2, John G Nicholls³, Robin L. Cooper¹

¹Department of Biology, University of Kentucky, ²Department of Biology, College of Science, University of Salahaddin, Iraq, ³Department of Neurobiology and Cognitive Neuroscience, SISSA, Italy

This article describes three nervous system preparations using leeches: intracellular recording from neurons in ventral ganglia, culturing neurons from ventral ganglia, and recording from a patch of innervated skin to map sensory fields.

JoVE Journal

Proprioception and Tension Receptors in Crab Limbs: Student Laboratory Exercises

Zana R. Majeed^1,2, Josh Titlow^1,2, H. Bernard Hartman³, Robin Cooper^1,2

¹Department of Biology, University of Kentucky, ²Center of Muscle Biology, University of Kentucky, ³Oregon Institute of Marine Biology, University of Oregon

Physiological and anatomical techniques are demonstrated to address function and structure for joint proprioceptors and muscle tension receptors in crustacean walking limbs.