The potential range of physical stimuli that each species can detect and respond to seems to
appear randomly across species.
be optimal for the survival of that species
be the same across all species.
be the same across all senses for that species.
1 point
Sensation can be defined as the
process of converting physical energy into neural energy.
detection of the external stimuli around us
process of organizing external stimuli into meaningful concepts.
mental processes necessary to locate and identify an external stimulus.
1 point
According to signal detection theory, we are constantly trying to detect a _____ embedded in environmental _____.
hits; false alarms
bias; sensation
signal; noise
criterion; responses
The ratio of the JND to a given intensity of a stimulus is a constant called the
Weber-Fechner law.
second law of psychophysics.
psychophysical function.
difference threshold.
Absolute threshold refers to _____; difference threshold refers to _____.
detection; discrimination.
discrimination; detection.
sensation; perception.
perception; sensation.
1 point
An experimenter releases the scent of cut grass into the air. At first, the participant smells nothing. As more scent is released, the participant eventually detects the odor. The point at which the participant begins to smell the odor is called the
olfactory epithelium
psychophysical function.
difference threshold.
absolute threshold.
Transduction is the
conversion of physical energy into neural firing.
response of our sense organs to stimulation.
interpretation by the brain of a sensation.
cessation of response of sense organ due to prolonged stimulation.
The image-focusing portion of the eye consists of the
retina, fovea, and receptors.
rods and cones.
cornea, lens, and retina.
cornea, lens, and pupil.
The _____ cells act as intermediate cells to connect the photoreceptors to the nerve cells forming the optic nerve.
rod and cone
ganglion
color receptor
bipolar
The one sensory modality that goes directly to the brain without intervening synapses is
audition.
vision.
skin sense for pressure
olfaction.