The Search for Faces
Review sessions by TAs September 22, 5-6pm
Are faces special? What does it mean to be special?
Faces are IMPORTANT need to recognize family, friends, foe, etc.
Is there a specialized system for facial recognition?
WHAT ARE THE SYMPTOMS OF NEGLECT?
Effects daily life
o Ignore food on left half of plate
o Ignore people talking on left hemisphere
o Forget to dress left side
Patients arent aware of left side
o Describe it as painful to look at
6 / Executive Control II
Railroad worker; dynamite drove an iron rod into his brain good chunk of prefrontal
After recovering from physical injurydoctors were like, Dang, somethings wrong
o He turned foul-mouthed and mean! It
5 / Executive Control I
Cant select 2 responses simultaneously
WHAT IS EXECUTIVE CONTROL?
In most situations, more than one possible response
o Automaticity: no selection necessary
Executive control: re
7 / Executive Control III: Planning and Control
Executive Function Processes
o Goal-oriented, endogenous
Braver: Executive Controller stores
HOW CAN WE SEQUENCE ACTIONS?
The blind spot
The spot where they send info to the brain has no photo receptors
SCARY. WE LITERALLY CANNOT SEE THEM.
Like 12 degrees where you cant see anything
No rods in center of vision
Rods specialized to perceive in low light
The problem of perception
- When you look at a square, it could be a cube, or another shape
- Inverse mapping problem
- A two dimensional image could be a 3D object
Why is perception hard?
- Perception is underconstrained
o Many possible int
Exam next week:
4-5 short answer
The two visual systems
Ungerleider and Mishkin argue that vision doesnt only happen in the occipital lobe
o Temporal lobe what system
o Some of the info from occipital lobe goes
Does attending to an object necessarily lead to conscious awareness of that object? Provide
experimental data to support your answer.
Attending to an object does not necessarily lead to conscious awareness of that object. When
subjects of an experiment fa