Persepsi - USU OCW

Persepsi
pemberian makna (interpretasi) dari
pesan sensoris
Proses terjadinya persepsi pada setiap manusia
sama
Beberapa aspek dari persepsi bersifat unik
untuk beberapa kelompok budaya
Learning experience (proses belajar)
Memory
Motive
Emotion
Persepsi visual
Sebelum informasi sensoris diinterpretasi
harus diorganisasikan
Perceptual organization
PRINSIP GESTALT
The whole is different from the sum of the parts
Hukum--hukum Gestalt
Hukum
Closure
Similarity
Proximity
Continuity
Figure and ground
Closure
Closure occurs when an object is incomplete
or a space is not completely enclosed.
enclosed. If
enough of the shape is indicated, people
percieve the whole by filling in the missing
infomation.
Similarity
Similarity occurs when objects look similar to
one another. People often perceive them as a
group or pattern.
Proximity
Proximity occurs when elements are placed
close together. They tend to be perceived as a
group.
Continuity
Continuation occurs
when the eye is
compelled to move
through one object and
continue to another
object.
Figure and ground
The eye differentiates
an object form its
surrounding area. a
form, silhouette, or
shape is naturrally
perceived as figure
(object), while the
surrounding area is
perceived as ground
(background).
Konstansi dalam persepsi
Brightness constancy
Color constancy
Size constancy
Shape constancy
Persepsi kedalaman
(depth perception)
1. IsyaratIsyarat-isyarat monokuler: isyarat yang diperoleh
dengan penglihatan satu mata
Gradient of texture
Linear perspective
Superposition
Shadow
Speed of movement
Aerial perspective
Accomodation
Vertical position
2. Isyarat binokuler
persepsi mengenai kedalaman dapat terjadi
karena bekerja kedua belah mata
Konvergensi
Retinal disparity
Illusion
Terjadi karena salah mempersepsi stimulus
eksternal
Contoh--contoh ilusi
Contoh
Ponzo illusion
Muller Lyer illusion
Ponzo Illusion
Muller Lyer Illusion
http://www.psych-ology.co.uk/Perception.html
http://www.psychhttp://www.wwnorton.com/college/psych/psyc
hsci/ch5_overview.htm