Sensation
List 2 sense organs
Nose
Mouth
Ear
Eye
What sensory organ is involved in vision?
The eye
What is frequency measured in ?
Hertz
What are the two types of pain
First Pain
Second Pain
What is stimuli ?
any aspect of the environment that affects behavior or awareness
Does light have a color?
No, it has no color of its own.
List the three main parts in which the ear can be divided
Outer Ear
Middle Ear
Inner Ear
List one Function of our body Senses
Pain perception
Orientation and Movement
Sense of touch and temperature
What is sensory Adaptation?
reduced sensitivity to constant, unchanging stimuli over time
What is responsible for vision at low light levels ?
Rods
20 to 20,000 Hz.
Sensory structures in the inner ear that provide the brain with information about orientation and
movement of the head and body.
Vestibular Organ
What is the job of sensory receptors
detect stimuli and convert them into neural signals
What occurs to the rods and Cones at Dark Adaptation
Rods and Cones become sensitive because of low light intensity.
What are three small bones located in the inner ear
Anvil, hammer, Stirrup
These are are responsible for signaling the brain of painful stimuli.
nociceptors
What is transduction?
the conversion of external stimuli into neural impulses by sensory receptors
Who observed any color can be created by shining different colors, red, blue and green on a single spot ?
Thomas Young and Hermann von Helmholz
Where part of the ear is the Pinna located ?
Hint: Inner, Outer , Middle
Outer Ear
What are the two neuron pathways?
Rapid Pathway Neurons
Slow Pathway Neurons