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Neuroscience with LabTutor

​LabTutor presents advanced and introductory experiments designed to teach students about central and peripheral nerve function, brain activity using non-invasive approaches (EEG and visually evoked potentials), and intracellular and extracellular action potentials.

  • A LabTutor page from the Brain Structure and Reflexes experiment

    Engage students with self-directed study material outside the classroom
  • A LabTutor page from the Intracellular Action Potentials experiment

    Identify sensory neurons in the leech ganglion
  • A LabTutor page from the Peripheral Nerve Function experiment

    Learn how to stimulate the median nerve and analyze nerve function
  • A LabTutor page from the Reflexes and Reaciton Times experiment

    Discover the responses of reflexes and reaction times to a variety of stimuli

Click on a lesson name for a synopsis and equipment list or scroll down to see all hardware,
including pre-made systems and kits for your subject area.

+Autonomic Nervous System

Health care professionals regularly come across patients with a variety of autonomic nervous system (ANS) problems. Dysfunction of the ANS is described by the term 'Dysautonomia' and is seen in a wide variety of diseases with a range of different symptoms including postural hypotension, fatigue, abnormally rapid or slow heart rate, thirst, dizziness and fainting. Dysautonomia is commonly observed in people with diabetic peripheral neuropathy. It is important, therefore, that students understand how autonomic nervous function can be assessed.

This lesson requires one of the PowerLabs below

+Brain Structure and Reflexes

People can develop a variety of central nervous system (CNS) problems. It is therefore important that students understand the basic structure and function of the different parts of the brain. Along with CNS problems, where neurological disease is suspected, assessment of reflexes is an important part of the physical examination of a patient.

This lesson requires one of the PowerLabs below

+Peripheral Nerve Function

People can develop a variety of peripheral nervous disorders that may slow nerve conduction or indeed disrupt function of different kinds of nerves. It is therefore important that students understand the basic physiology of the peripheral nervous system so that people can be cared for correctly.

This lesson requires one of the PowerLabs below

+Cockroach Sensory Nerve

Stimulate cockroach sensory nerve spines and record evoked action potentials. Compare spontaneous and evoked action potentials. Assess the influence of the angle of deflection on action potential size and frequency. Demonstrate adaptation of sensory neurons during prolonged stimulation.

This lesson requires one of the PowerLabs below

+Cockroach Ventral Nerve Cord

Record extracellular action potentials from the ventral nerve cord of a large cockroach. Apply various stimuli to the cerci and observe the electrical response. Measure the travel time of an action potential and calculate nerve conduction velocity.

This lesson requires one of the PowerLabs below

+Earthworm Action Potentials

Obtain extracellular recordings of action potentials from an anesthetized earthworm (Lumbricus spp). Complete five exercises to examine and demonstrate threshold potential, recruitment, all-or-none response, refractory period, bidirectionality of impulse and conduction velocity of the nerve.

This lesson requires one of the PowerLabs below

+Frog Nerve

Construct and calibrate a nerve bath setup in order to measure compound action potentials from an isolated frog sciatic nerve. Explore basic physiological properties of nerves such as threshold, refractory period and conduction velocity.

This lesson requires one of the PowerLabs below

+Frog Neuromuscular Junction

Mount a dissected frog gastrocnemius muscle and sciatic nerve to investigate the physiological relationship between the two. Research the principles of twitch recruitment, muscle fatigue and the neuromuscular junction using the muscle relaxant, tubocurarine.

This lesson requires one of the PowerLabs below

+Intracellular Action Potentials

Deliver hyperpolarizing or depolarizing current injections to stimulate neurons through a microelectrode, then record the action potentials using a PowerLab. Attempt to identify sensory neurons or 'T cells' in the leech ganglion that are responsive to touch.

This lesson requires one of the PowerLabs below

Products required for this lesson

+Mammalian Blood Pressure - Reflex Regulation

Discover how the reflex regulation of arterial blood pressure keeps the circulatory system in check.

This lesson requires one of the PowerLabs below

+Mammalian Respiration - Nerve Effects

Stimulate the vagus and superior laryngeal nerves to elucidate how these affect respiration.

This lesson requires one of the PowerLabs below

+Electroencephalography (EEG)

Recognize artifacts in an EEG signal caused by blinking and subject movement. Record and identify alpha and beta EEG rhythm, and analyze how a signal is affected by opening and shutting the eyes, mental activity and auditory stimulation.

This lesson requires one of the PowerLabs below

+Reflexes & Reaction Times

Discover the responses of reflexes and reaction times to a variety of stimuli. Elicit and quantify a knee jerk reaction, trigger the pupillary light reflex and a withdrawal reflex, and measure reaction time in response to a visual cue under varying conditions.

This lesson requires one of the PowerLabs below

+Introduction to LabTutor

Get to know PowerLab hardware and LabTutor software. Discover the basic features of acquisition, analysis and reporting using LabTutor.

This lesson requires one of the PowerLabs below

Products required for this lesson

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