Chapter 2- sensation and perception Flashcards
1
Q
Vision
A
- only sense with full lobe for (occipital)
- Cones and rods (more as we move far away from center so looking from side is better)
2
Q
Macula
A
- Area with majority cones in the center
- Fovea: all cones
3
Q
Visual pathway
A
- Optic chiasm -> LGN which then synapses with ex: superior colliculi
- parallel processing: process color, form, shape…
- superior colliculus
4
Q
Parvocellular cells
A
for objects not moving
5
Q
Magnocellular
A
Objects moving
6
Q
Binocular neurons
A
Compare from 2 hemispheres to judge the input
7
Q
Hearing (vestibular sense)
A
- Organ of corti in cochlea in inner ear to hear
- inferior colliculus
- Medial geniculate nucleus (MGN): music (hearing)
8
Q
Place theory
A
- Hair placed tonotypically for dif pitches
Higher pitch closer to window
9
Q
Smell
A
- Only sense that passes through brain avoiding hypothalamus
10
Q
Somatosensation
A
Touch
- pressure, vibration, temperature, pain
11
Q
Ruffini endings
A
Stretch (italian)
12
Q
Pacinian corpuscles
A
deep pressure & vibration (pace of baby that sucks on it)
13
Q
Meissner corpuscles
A
- Light touch (mice)
14
Q
Merkel discs
A
deep pressure & texture (annoying name)
15
Q
Free nerve endings
A
Pain & temperature
