Sensory Systems Flashcards
What are the types of senses?
1) Vision
2) Auditory
3) Pain
4) Touch
5) Vestibular (balance)
6) Kinesthetic (body position, movement)
7) Tempurature
8) Taste
9) Smell
What are the types of stimuli?
1) Electromagnetic
2) Mechanical
3) Thermal
4) Chemical
Name the electromagnetic stimuli.
Vision
Name the mechanical stimuli.
1) Hearing
2) Touch
3) Pain
4) Vestibular
5) Kinesthetic
Name thermal stimuli.
1) Cold
2) Warmth
Name chemical stimuli.
1) Taste
2) Smell
What is the significance of perception and sensation?
Up until the point of perception, you don’t know something is happening.
What are types of sensory receptors?
1) Chemoreceptors
2) Mechanoreceptors
3) Photoreceptors
4) Thermoreceptors
What is an example of photoreceptors stimuli?
Photons of light.
What are examples of thermoreceptors stimuli?
Varying degress of heat.
What are examples of mechanoreceptors stimuli?
Plessure (barorecptors), cell stretch (osmoreceptors), vibration, acceleraction, sound.
What are examples of chemoreceptors stimuli?
Oxygen, pH, various organic molecules such as glucose.
What is sensory processing?
Filtering hte environment information (stimuli) influencing quality/quantity of information.
What does sensory registry do?
Prolongs stimuli after it is no longer physically present.
What does verdical do?
Verdical preserves most of the physical details of the stimuls.
Does sensory registry last long?
No. It rapidly decays.
Does sensory registry require any attention?
No it does not require any attention.
From the time of sensory registry, what must happen?
Must use attention to “preceive” or recognize the stimulus.
What is perceptual encoding?
Preceputal encoding registers “what is it”
Do reactions happen instentanously?
No. Reactions to sensations take time to register.
What is the sensory receptor reaction time?
1-38 msec
What is the neural transmission to brain reaction times?
2-100
What is the cognitive-processing delays (brain) reaction times?
70-300
What are neural transmission to muscles reaction times?
10-20 msec.
What are muscle latency and activation time reaction times?
113-528 msec.
