The 2 types of photoreceptors are?
Rods and Cones
Sound is?
what we experience when we hear something
pressure changes in air or other medium
Like taste, the olfaction sense is a _________ sense
chemical
____ and smell interact to produce "flavour"
Taste
What does the vestibular system do?
Registers body position and movement
What is the VERY FIRST component of the eye where light passes through?
The cornea (that outer layer on surface of eyeball).
The three psychological characteristics of sound are?
Amplitude/loudness
Frequency/Pitch
Complexity/Timbre
The olfactory sense is the only sense in which...
the nerves go directly to the brain
We have 5 kinds of taste receptors and a possible 6th - what are the different things they detect?
Sour, Sweet, Salty, Bitter and Umami
Possibly fattiness
Where are the vestibular sacs and vestibular rings located?
the inner ear, along with the Cochlea
You cannot see anything at your blind spot because...
there are no receptors in this area
The outer ear consists of what components?
The pinna, auditory canal and tympanic membrane (eardrum)
What is 'Neurogenesis' and how often does it occur for the Olfactory system?
The creation of new neurons.
For the olfactory system, approximately every 5-7 weeks.
Touch is processed by what system ?
The somatosensory system
The Vestibular sense and the __________ sense together form the overarching "Proprioceptive" Sense
Kinaesthetic
What is the role of Bipolar cells?
receive information from the retinal cells and distribute information to the ganglion cells
Place theory of hearing proposes that...
different areas of the basilar membrane in the cochlear respond to different frequencies
For the olfactory sense, transduction occurs in the...
"Olfactory epithelium" - where the olfactory receptors are located
Touch is a mix of which three qualities?
pressure, temperature and pain
The vestibular system reports to?
the cerebellum
How does light reflection contribute to our perception of colour?
Objects that reflect a lot of light appear brighter, and objects that absorb most of the light appear darker.
Physical and chemical composition of a substance or object determines its specific colour.
The Latin AND English names of the ossicles?
(3 Latin names, and their 3 corresponding 3 English names)
Malleus, Incus, Stapes (Latin names)
aka
Hammer, Anvil, Stirrup
Many animal species communicate through scent messages known as what?
Pheromones
Name 2 or more of the types of skin receptors
Merkel cells / Merkel's disk, detect Steady pressure
Tactile corpuscles / Meissner's corpuscles - light touch
Krause's end bulb - Detect cold
Pacinian corpuscles, detect vibration
Free nerve endings - pain, temperature
What is the Vestibulo–ocular reflex and what does it help with?
An involuntary reflex that stabilizes the visual field and retinal image during head motion - by producing eye movements in a counter direction
Helps you to see clearly even when in situations such as running or riding a bike on a bumpy track