Tractography - answer-- 3D modelling technique used to visually represent nerve tracts using data collection by diffusion by MRI
Spatiotemporal Structure - answer-- the interactions between brain areas that are mediated by myelinated fibres
- distinct neural regions
Sensation - answer-- the...
, NEUR 2201 EXAM REVIEW
Tractography - answer-- 3D modelling technique used to visually represent nerve tracts using data
collection by diffusion by MRI
Spatiotemporal Structure - answer-- the interactions between brain areas that are mediated by myelinated
fibres
- distinct neural regions
Sensation - answer-- the registration of physical stimulus from the environment by the sensory organs
- cellular functions
Perception - answer-- the interpretations of sensations by the brain
Sensation/Perception - answer-- they exist together in the mind of the perceiver
- raw sensations are processed by perception and integrated to produce reality
Sensory Receptors - answer-- specialized cells that transduce sensory energy into neural energy
Transduction - answer-- the way the brain converts/transforms external signals into neural signals
Vision: light -> chemical
Audition: air pressure -> mechanical
Somatosensory: mechanical
Taste & Olfaction: chemical
Structure/Parts of the Eye - answer-- Cornea
- Lens
- Retina
- Fovea
Cornea - answer-- clear outer covering in the eye
Lens - answer-- focuses light
- bends to accommodate near and far objects
Retina - answer-- where light energy activates neural activity
- a light sensitive surface at the back of the eye consisting of neurons and photoreceptors
Fovea - answer-- the regions at the centre of the retina that is specialized for high acuity
The correct order of neuron layers in the eye: - answer-- ganglion
- bipolar
- photoreceptor
Light must pass through other cells to get to the photoreceptor cells
Rods are found in the _______, cones are found in the _______ - answer-Rods - peripheral vision
Cones - fovea
Retinohypothalamic Tract - answer-- ganglion cells that contribute to circadian rhythms and pupillary light
reflex
Rods - answer-- more numerous than cones
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