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Psychophysiological Methods

Psychophysiological Methods

Psychophysiological Methods. Electrodermal Measurement. Galvanic skin response as indicative of the sympathetic branch of the autonomic nervous system Sweat glands provide a shunt between skin and deeper tissues Measures indicative of arousal, stress-strain, and emotion

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909 views • 70 slides
Muscle contraction

Muscle contraction

Muscle contraction. The term " excitation-contraction coupling " refers to the mechanism by which the action potential causes the myofibrils of muscle to contract. Each muscle fiber behaves as a single unit, is multinucleate, and contains myofibrils. The myofibrils are surrounded by

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814 views • 53 slides
In The Name of Allah The Most Beneficent The Most Merciful

In The Name of Allah The Most Beneficent The Most Merciful

In The Name of Allah The Most Beneficent The Most Merciful. ECE 4550: Biomedical Instrumentation Lecture: Electro Myo Gram (EMG). Engr. Ijlal Haider University of Lahore, Lahore. Electrical Activities of Muscles. Similar to that of nerve fibers

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544 views • 37 slides
Physiology of Skeletal Muscle Contraction

Physiology of Skeletal Muscle Contraction

Physiology of Skeletal Muscle Contraction . The Muscle Action Potential ( AP ) . Muscle RMP = -90 mV ( same as in nerves ) . Duration of AP = 1-5 ms ( longer duration than nerve AP , which is usually about 1 ms ) . Conduction Velocity = 3-5 m/s ( slower than big nerves ) .

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714 views • 34 slides
Histology of Muscle

Histology of Muscle

Histology of Muscle. Skeletal Muscle Tissue. Muscle Histology. Elongated cylindrical cells = muscle fibers Plasma membrane = sarcolemma Transverse (T) tubules tunnel from surface to center of each fiber Multiple nuclei lie near surface of cell Cytoplasm = sarcoplasm. Muscle Histology.

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1.25k views • 26 slides
The Muscular System: Structure and Physiology

The Muscular System: Structure and Physiology

The Muscular System: Structure and Physiology. Function of Muscles. Produce movement Maintain posture Stabilize joints Generate heat. Characteristics of Muscles. Muscle cells are elongated muscle cell = muscle fiber Contraction of muscles is due to the movement of microfilaments

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471 views • 22 slides
Events of Muscle Relaxation

Events of Muscle Relaxation

Events of Muscle Relaxation. The enzyme, acetylcholinesterase (AChE), in the neuromuscular junction, breaks down remaining acetylcholine in the synaptic cleft.

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216 views • 1 slides

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