Nerves and Muscles

Neurosimulator: mode of operation of excitatory synapses (with the Cobra3 Basic-Unit)

Principle and tasks

To use a nerve function model to work on the following themes:

• The origin of action potentials
• The transformation of stimulation intensity to action potential frequency

What you can learn about

Neurobiology: the nerve cell

Principle and tasks

To use a nerve function model to study the following aspects of a nerve cell: intercellular potential and actionpotential.

What you can learn about

• Comparison between low and high threshold levels
• Comparison b ...

Neurobiology: nerve cell interactions

Principle

To use a nerve function model to study the following aspects of nerve cell interactions with other nerve cells or with motoric and sensoric cells:

Renshaw inhibtion

• Motoneuron signals wit ...

Neurobiology: neural networks

Principle, tasks and what you can learn about:

To use a neve function model to study the following aspects of neural networks:

TRANSIENT (PHASIC) RESPONSES: FOCUS ONVISUALSENSE

• Transient responses: ON neu ...

Neurobiology: complex neural networks

Principle, tasks and what you can learnabout

To use a nerve function model to studythe following aspects of neuralnetworks:

• Direction selectivity by unilateralinhibition
• Self-calibration of paired sensorychannels

Electromyography (EMG) on the upper arm (with the Cobra3 Basic-Unit)

Principle and tasks

To prepare an electromyogram (EMG) from a contracting or relaxing upper arm muscle (biceps) using surface electrodes. Measurement of the frequency and the amplitude of the EMG at maximum concentration.

What you can learn ab ...

Muscle stretch reflex and determination of the conducting velocity (with Cobra3 Basic-Unit)

Principle and tasks

To trigger a stretch reflex in the lower leg musculature by tapping the Achilles tendon (Achilles tendon reflex). To record the compound action potential and determine the reflex latency and the conduction velocity.

What you can learn about< ...