Quiz 2 Flashcards
Chapter 4 and 5
Consciouness
Awareness to external and internal stimuli
Selective consciousness
Gaol and stimulus driven consciousness
Circadian Rhythm
biological rhythm over 24hrs
Superchiasmatic nucleus
Internal clock
Stage 1 sleep
Alpha waves, NREM
Stage 2 sleep
Theta waves, spindles, K-complex, NREM
Stage 3 sleep
Delta waves, NREM
Stage 4 sleep
Beta waves, REM
Freudian Analysis
Images in dreams (manifest) symbolize deeper meaning (latent)
Follicle and luteinizing hormones
Involved in sleep and reproductive organ maintenance
Adaptive function of sleep
Sleep needed to replace what is lost during the day
Cognitive function of sleep
Sleep needed for memory and cognition
Sensation
Sensory receptors give brain info about stimuli
Perception
Using sensory information to make a percept
Bottom-up processing
Taking things into the CNS to interpret them
Top-down processing
From CNS to outside
Visual Pathway
Cornea > retina > bipolar neurons > output neurons > optic nerve > optic chiasm > optic tracts > visual cortex
Retinex Theory
Seeing something depends on background and object
High amplitude
Bright colors and loud sounds
Low amplitude
Dull colors and quiet sounds
Ear bones
Malleus, incus and stapes (in middle ear)
Vestibular
Essential for normal movement and equilibrium
Smell
Triggered when odor molecules hit olfactory receptors in nose
Mammillary body
Small relay station connecting fornix and thalamus
Tastes
Umami, sour, bitter, salty, sweet
Touches
Pressure, vibration, heat, pain
Sensory adaption
Sensory cell losing ability to detect stimuli after its been present for a while
Gestalt Psychology
Perceptions are only understood when viewed as organized wholes instead of its part
