Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

70
Two Views of Perception: •Bottom-up processing: -Low-level -Feature driven •Top-down processing -Knowledge driven -Unconscious inference (Helmholtz)

TAGS:

description

Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing - Knowledge driven -Unconscious inference (Helmholtz). What do you see in this picture?. Vertical Line Stimulating Receptive Field of Single Cell. Stimulation of a Single Cell by Downward Motion. - PowerPoint PPT Presentation

Transcript of Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Page 1: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Two Views of Perception:•Bottom-up processing:

-Low-level

-Feature driven

•Top-down processing

-Knowledge driven

-Unconscious inference (Helmholtz)

Page 2: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

What do you see in this picture?

Page 3: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 4: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Vertical Line Stimulating Receptive Field of Single Cell

Page 5: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Stimulation of a Single Cell by Downward Motion

Page 6: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

BRIGHTNESS CONTRAST

Page 7: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Stimulus

Luminance Profile

Page 8: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Mach Bands - Edge Enhancement Illusion

Page 9: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

How the Eye Accentuates Edges

Page 10: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Mach Bands

Page 11: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Recording From a Single Cell of the Visual Cortex

Page 12: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Frequency of Firing of Single Receptor in Response to Stimuli of Different Amplitude

Page 13: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Inhibitory Effects of Stimulating Adjacent Receptor

Page 14: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Simple Cell in Visual Cortex

Page 15: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Complex Cell of Visual Cortex

Page 16: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

On-Off and Center Cells (Retina)

Page 17: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

How the Visual System Responds to Edges

Page 18: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Lateral Inhibition

Page 19: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Excitatory & Inhibitory Cells

Page 20: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which column

is largest?

Page 21: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 22: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which Line is Longer?

Page 23: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which lines are parallel?

Page 24: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Are lines a and b parallel?

Page 25: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which Line is Longer?

Page 26: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which central dot is larger?

Page 27: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Necker Cube

Page 28: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

What is This a Picture of?

Page 29: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Excitatory & Inhibitory Cells

Page 30: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Bottom-up Perception

Page 31: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which woman is taller?

Page 32: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Binocular Cues for Depth

•Convergence

•Binocular disparity

Page 33: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Monocular Cues for Depth• Interposition• Linear perspective• Height in vertical plane• Texture• Shadow• Relative motion

Page 34: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Visual Angle

Page 35: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Interposition. Which is closer? A or B?

B

A

Page 36: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which column

is largest?

Page 37: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Linear Perspective

Page 38: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which red line is bigger?

Page 39: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which red line is bigger?Which red line is bigger?

Page 40: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Linear Perspective

Page 41: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Height in Visual Field

Page 42: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Texture gradients

Page 43: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 44: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Texture Gradient

Page 45: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Which woman is taller?

Page 46: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

“AMES”Room

Page 47: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Direction of Shadow

Page 48: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Haze

Page 49: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Haze

Page 50: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Shading

Page 51: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Relative Motion

Page 52: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Moon Illusion

Page 53: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Moon Illusion

Page 54: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Moon Illusion

Page 55: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Pop out effect

Page 56: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 57: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 58: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 59: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 60: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 61: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 62: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 63: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 64: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 65: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 66: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 67: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 68: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 69: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing
Page 70: Two Views of Perception: Bottom-up processing: -Low-level -Feature driven Top-down processing

Sensation & Perception ATTENTION, PROCESSING, THRESHOLDS.

Sensation & Perception ATTENTION, PROCESSING, THRESHOLDS.

Language and Perception Ling 411 – 17. Perception: Starting view Perception is a bottom-up process From primary perceptual area upwards E.g. primary.

Language and Perception Ling 411 – 17. Perception: Starting view Perception is a bottom-up process From primary perceptual area upwards E.g. primary.

Parallel Processing in Face Perception

Parallel Processing in Face Perception

Chapter 3: Neural Processing and Perception - mywebmyweb.scu.edu.tw/~mywang/sen/chapter3.pdf · Chapter 3: Neural Processing and Perception. Neural Processing and Perception •Neural

Chapter 3: Neural Processing and Perception - mywebmyweb.scu.edu.tw/~mywang/sen/chapter3.pdf · Chapter 3: Neural Processing and Perception. Neural Processing and Perception •Neural

Bottom-up and Top-down Perception •Bottom-up …cognitrn.psych.indiana.edu/rgoldsto/courses/appmot.pdfConstraint Satisfaction Network for Apparent Motion Perception (Dawson, 1991;

Bottom-up and Top-down Perception •Bottom-up …cognitrn.psych.indiana.edu/rgoldsto/courses/appmot.pdfConstraint Satisfaction Network for Apparent Motion Perception (Dawson, 1991;

Speech perception as an active cognitive process...Heald and Nusbaum Speech perception as an active cognitive process bottom-up processing path as in a passive system, but feedback

Speech perception as an active cognitive process...Heald and Nusbaum Speech perception as an active cognitive process bottom-up processing path as in a passive system, but feedback

Auditory processing, speech perception and phonological

Auditory processing, speech perception and phonological

Sensation & Perception - Weebly...Sensation & Perception •Bottom-Up Processing: analysis that begins with the sensory receptors and works up to the brain’s integration of sensory

Sensation & Perception - Weebly...Sensation & Perception •Bottom-Up Processing: analysis that begins with the sensory receptors and works up to the brain’s integration of sensory

Bottom-up and Top-down Perception •Bottom-up perceptionInteractive Activation Model (IAT) •Cascading activation –Feature-level processing not complete before higher-levels start

Bottom-up and Top-down Perception •Bottom-up perceptionInteractive Activation Model (IAT) •Cascading activation –Feature-level processing not complete before higher-levels start

Chapter 7 Social Perception and Attribution An Information Processing An Information Processing Model of Perception Model of Perception Stereotypes: Perceptions.

Chapter 7 Social Perception and Attribution An Information Processing An Information Processing Model of Perception Model of Perception Stereotypes: Perceptions.

(b) Bottom-up linguistic processing

(b) Bottom-up linguistic processing

Topic 2 Perception. Outline of course Perception Theories of perceptual organisation Gregory’s top down/indirect theory of perception Gibson’s bottom.

Topic 2 Perception. Outline of course Perception Theories of perceptual organisation Gregory’s top down/indirect theory of perception Gibson’s bottom.

Chapter 3: Neural Processing and Perception

Chapter 3: Neural Processing and Perception

Sensation & Perceptionmreidsocialstudies.weebly.com/uploads/8/7/3/8/87387968/...Sensation & Perception •Bottom-Up Processing: analysis that begins with the sensory receptors and

Sensation & Perceptionmreidsocialstudies.weebly.com/uploads/8/7/3/8/87387968/...Sensation & Perception •Bottom-Up Processing: analysis that begins with the sensory receptors and

Human Perception and Information Processing

Human Perception and Information Processing

Human Information Processing Perception, Memory, Cognition, Response.

Human Information Processing Perception, Memory, Cognition, Response.

The influence of processing objectives on the perception ... · The influence of processing objectives on the perception of faces: An ERP study of race and gender perception TIFFANY

The influence of processing objectives on the perception ... · The influence of processing objectives on the perception of faces: An ERP study of race and gender perception TIFFANY

D5.6 Perception: top-down and bottom-up attention · D5.6 Perception: top-down and bottom-up attention ... TÍTULO DOCUMENTO Perception: topdown and bottomup attention FECHA DE ENTREGA

D5.6 Perception: top-down and bottom-up attention · D5.6 Perception: top-down and bottom-up attention ... TÍTULO DOCUMENTO Perception: topdown and bottomup attention FECHA DE ENTREGA

Diversity, users' perception and food processing of ...

Diversity, users' perception and food processing of ...

Bottom-up and Top-down Perception •Bottom-up perceptionpcl/rgoldsto/complex/perception2.pdf · Bottom-up and Top-down Perception •Bottom-up perception –Physical characteristics

Bottom-up and Top-down Perception •Bottom-up perceptionpcl/rgoldsto/complex/perception2.pdf · Bottom-up and Top-down Perception •Bottom-up perception –Physical characteristics