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Descripción
Mapa Mental por Ashlee Huber, actualizado hace más de 1 año
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Creado por Ashlee Huber
hace alrededor de 8 años
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Chapter 4:
Sensation and
Perception
- Sensation Vs.
Perception
- Sensation:
the
stimulation
of a sense.
- Perception: an
awareness or
view created by
the mind as a
result of sensory
input.
- Sensation:
the
stimulation
of a sense.
- Basic concepts
- Threshold
- Deff: the
point
(50%)
where
stimulus
can be
detected
- Absolute
Threshold: the
absolute
minimum
amount of
stimulus an
organism can
detect.
- Just
Noticeable
Difference
(JND): the
smallest
amount of
change an
organism
can
detect.
- Weber's Law:
the size of the
JND is in
proportion to
the stimulus.
- Deff: the
point
(50%)
where
stimulus
can be
detected
- Signal-Detection
Theory: involves
both detection
and sensory
processesand
are both
influenced by a
number of other
factors.
- Subliminal
Perception:
registration of
sensory input
without conscious
awareness.
- Sensory Adaption: the
gradual decress in
sensitivity due to
prolonged exposure to
a stimulus.
- Threshold
- Vision and
sight
- Eye
Diagram
- The stimulus for
sight is light.
- The human eye only sees a small portion of
the light spectrum known as visible light.
(ROYGBIV= White Light)
- Pathway of Light: Light-cornea-anterior
chamber- pupil (through iris)-lens-anterior
chamber- retina (rods and cones)- choride
layer or to the Optic nerve- Occipital lobe.
- Optic Chiasm: where the
nerves in the eyes cross
over.
- Trichromatic theory: There are three
types of receptors (Red, Green, Blue)
that have different sensitivities and
can detect any combination of
colours using theses.
- Colour blindness: occurs when a genetic
deficiency effects the ability to tell colours
appart.
- Eye
Diagram
- Auditory and sound
- sound waves
are the
stimulus for
hearing.
- Place theory: the
perception of
sound is related to
the vibration in
diffrent locations
in the basiler
membrane.
- Frequency Theory: is the
relation to the rate the
basilar membrane vibrates
at.
Recursos multimedia adjuntos
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