Psyc ch. 4 Flashcards
which comes first sensation or perception
sensation
the process of transforming stimuli into the electrical and
chemical signals of neurons.
- Neural signals are processed by the central nervous system.
- For sensations to be useful, we must assign meaning to them.
transduction
States that each of the senses has its own constant ratio determining difference
thresholds
Weber’s law of just noticeable differences
Contains photoreceptor cells that transduce
light energy into neural activity
retina
the 2 types of photoreceptors in the retina
rods and cones
enable us to see in dim lighting; not
sensitive to color, but useful for night vision
rods
enable us to sense color and
minute details
Vision (Part 7)
cones
Fluid-filled, snail-shaped organ of the inner ear lined with the basilar membrane
- Basilar membrane consists of nearly 16,000 hair cells.
- Hair cells are the receptor cells for sound waves.
cochlea
used to allure customers and establish
emotional bonds with them
scent marketing or branding
respond to these stimuli (pain) are primarily housed in the skin, but
they also may be found in muscles and internal organs
nociceptors
does fear and anxiety increase or decrease pain
increase
does happiness and laughing increase or decrease pain
decrease
Helps us understand individual differences in the perception of pain
-Biological factors
- Psychological factors
- Social factors
pain and the biopsychosocial perspective
The natural tendency for the brain to organize stimuli into a whole,
rather than perceiving the parts and pieces
gestalt
the whole is bigger than the sum of its parts
gestalt
