Lecture 9- exam 1 review
experimentation and variables
, but cannot
o correlation; determine causation
in experimental research the factor that the experimenter
manipulates is the
variable, while the response of
the subject is the
1. Describe the difference between social selection and causation?
Hypothesis 1: Social Causation negative factors related to low SES lead to development of
Hypothesis 2: Social Selection cognitive/social impairments associated with the illness l
imagine youre building an artificial vision system. it first
uses grouping principles to determine how many objects are
in the scene. next. the features of each object are extracted.
finally, each object is identified serially,
perception: visual, auditory, multimodal
perceptual systems are
o a snapshot of the world?
o an interpretation of the world?
what are the goals of vision?
o the goal of vision is to recognize objects
what objects are out there?
*QUIZ OVER CHAPTER 3 NEXT FRIDAY*
[email protected] Dr. LiLi Sahakyan, research opportunity*
o measure two or more things and look for a relationship
naturalistic setting and low interference
focuses on individual human beings
o adults (especially in the 20-60 age range)
o with average experience/behavior
takes a scientific approach
o observation, experiments
o modeling and theory building
we study cognitive psych
Right Brain, Left Brain
Are there true differences in the
structure and functions of the two
What is the nature of differences in the
functions of the two hemispheres?
Connections Between Hemispheres
Greater yields, feeds more people.
More labor intensive vs hunting/gathering/foraging
Less diverse diet
Decreasing quality of life (health issues, social stratification, warfare, etc.)
Disease proliferate (epidemics, standing wa
What makes this a community mental health issue?
When did the men in the videos start having mental illness?
When did most of the men start receiving mental health care?
What else struck you about these videos?
Today, there are nearly 500,000 mentally il
This picture doesnt look like much, you probably couldnt tell anything was wrong. This is a
picture of a school in a neighboring community of mine. In Peoria, IL, we have one of the
highest lead poisoning rates in Illinois. The issu
In my community, Detweiller Park is a destination for soccer, hiking, biking, and other various outdoor
activities. This picture is of Detweiller Drive, the road that runs through most of the park. It is a long,
twisting and winding road that you can trav
object based attention
objects also useful to attend to
allow tracking as things move
o balint syndrome
behrmann, zemel and mozer (1998)
if attention is spatial only
o should be easier to attend to closer things
feature integration theory says that spatially directed
attention is required to correctly bind feature info. suppose
that we run the following experiment. participants are asked
to fixate at the center of a screen where a # will be
Expected value vs expected utility
Expected value = (amount that you could win for prize 1 x probability of winning prize 1) +
(amount that you could win for prize 2 x probability of winning prize 2)
Expected utility: the "feeling" of an amount can change
subjects are briey shown a set of 8 letters, and then asked to immediately report as many as
they can. subjects are then shown a set of 16 letters and again asked to report as many as they
can. whats the most likely result? theyre likely able to report o
Savant syndrome is a condition in which a person with a developmental disability, such
as an autism spectrum disorder, demonstrates profound and prodigious capacities or abilities far
in excess of what would be considered normal. Savant syndrome is prefer
Post Childhood Readings
The question my group had for discussion was what kinds of skills do savants have.
Considering all the abilities in the human repertoire, it is interesting that savant skills generally
narrow to five general categories. The first c
Stany and Johnsons weapons focus experiment, investigating memory for crime
scenes, found that
presence of a weapon has no effect on memory for the event
presence of a weapon enhances memory for all parts of the
Elaborative rehearsal of a word will LEAST likely be accomplished by what?
Donald Hebb proposed that memory is represented in the brain by structural changes
in all of the following EXCEPT the
john is given a few minutes to study this list of visual words
o banana, subway, newspaper, cotton, lighthouse, JAR,
vacuum, eye, HOUSE, diamond, llama, museum, ticket
which words is he most likely to recall an hour later? why?
in a typical short term memory task in which people have to
immediately recall a list of words what would you expect to
happen to the serial position curve if you introduce a short
delay between the end of the list and the participant
this lecture is the end of exam 1 material
how might the authorship model explain the development of
automatic processing? that is, according to this model,
what is likely to be changing as a process becomes
automatic? how does this d
Cognitive exam 3 study guide
A. Mental Images are
1. Picture like, similar to visual perception
2. Can involve spatial imagery, unlike vision (like abstract
3. Are NOT like pictures in that they are organized and int
1. Positive and negative correlation
2. We naturally remember and care about things we interested
3. What is best for learning: three possibilities
a. Give Slides before
b. Make slides available after the lecture
c. Never make the slides av
- Representation consists of separate descriptions of a large set of individual instances
a. No urinary description put them all grouped together, we know those are bicycles, those
- Still similarity-based, but flexible: can use
\When you study, one of your goals is to get information into Long Term Memory.
Encoding: The process of acquiring information and transferring it into LTM
Term is similar to coding that is in relation to STM.
refers to the
form in which informati