'Generator potential' presentation slideshows

SENSORY SYSTEM LECTURE 1 RECEPTORS

SENSORY SYSTEM LECTURE 1 RECEPTORS. DR. ZAHOOR ALI SHAIKH. Sensory system or Input system. What type of sensation do you know? Touch Fine Crude Pressure Position Vibration Two point discrimination Pain Temperature Cold Warm Stereognosis. How we feel the sensation?.

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Receptors Energy transducers They detect a change in a particular form of energy ( eg . light)

Receptors Energy transducers They detect a change in a particular form of energy ( eg . light) This change is called the stimulus The receptors then convert this energy into a form of electrical energy call a nervous impulse . How are nervous impulses generated? (1)

370 views • 28 slides

186 views • 18 slides

Sensory Receptors (Beginning of Neural Arc )

Sensory Receptors (Beginning of Neural Arc ). many different types free nerve [cell] endings e.g., in skin complex multicellular structures e.g., retina of the eye. The Neural Arc. Transduction. Physical stimuli are detected and communicated via nerve signals;

283 views • 12 slides