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Primate Cognition Exam 2
Lecture's through cluture
133
Anthropology
Undergraduate 1
10/29/2012

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Term
What is categorization?
Definition
The ability to categorize things
Term
Give an example of auditory categorization
Definition

1. Bach v. Stravinsky

2. Fish being able to classify and subclassify music genres (Chase 2001)

Term
What is Cross Modal Perception?
Definition
Cross modal perception is the ability to recognize objects with different senses. Ex- chimps feeling the inside of a box and knowing its contents, chimps seeing the contents of the box and knowing what they are.
Term
What is Feature Theory?
Definition
A theory of categorization that assumes that we classify things based on whether or not they contain a particular set of features. If this is true, animals can solve discrimination tasks without regards to it's particular shape or nature of the entire problem. Ex- pigeons being able to discriminate between male and female human portraits
Term
What happened in Huber's 2000 study?
Definition
Pigeons were able to discriminate between male and female portraits but only when the pictures were in color.
Term
What is the Rescerla-Wagner Theory?
Definition
The strength of the association determines the strength of the coordinated response. (Categorization lecture)
Term
What is the Exemplar Theory
Definition
A theory of categorization that assumes instences are categorized either by remember they category to which they belong or their similarity to instances that have already been classified.
Term
What is the Exemplar Effect?
Definition
Familiar exemplars to a category are easier to categorize than unfamiliar ones
Term
What are the Implications/Limitations of Exemplar Theory?
Definition
Animals may have to remember an unreasonably large number of stimuli
Term
What is Prototype Theory?
Definition
A theory of categorization that states that exposure to the exemplars results in the creation of a 'prototype'
Term
What is a prototype?
Definition
A prototype is a representation that corresponds to the average members of a category
Term
What is an abstract category? Give an example.
Definition
A category that uses a more abstract basis than the presence or absence of physical features to categorize objects. Relationships as categories are abstract categories.
Term
Give some examples of relationship categories
Definition
1. sameness
2. second order relationships
3. Analogical reasoning
Term
Categories as concepts
Definition
categories as concepts does not depend on the physical similarity of the members of the category, but should also be successful when the exemplars bear no physical similarity to one another
Term
Describe the Roberts Mazanian 1988 study.
Definition
Being able to identify a set of pictures on three different levels. 1. animal vs. non animal 2. bird vs. non bird animal 3. kingfishers vs. non kingfisher birds. Humans were able to do this 10 times faster than any other species. Squirrel monkeys and pigeons couldn't advance beyond the second level
Term
What is the ecological significance of the Roberts and Mazanian 1988 study?
Definition
It shows that animals can identify and categorize their own species from all others, as well as identifying and categorizing prey and predators.
Term
Describe the Savage-Rumbaugh 1980 study.
Definition
Chimpanzees sorted food from tools. Their performance was the equivalent of a 4yr old child.
Term
What is spontaneous sorting? Give an example.
Definition
Spontaneous sorting of objects. Vicki the chimpanzee could do this by age 3. She would sort nails and safety pins, short and long nails, buttons and screws, etc. She had no training and only made 20 mistakes in 200 objects.
Term
Can primates form categories based on the relationship between 2 objects?
Definition
Yes, in fact many species (excluding pigeons) were able to display a concept of 'sameness' between objects.
Term
What was the conclusion of Katz and Wrights' 2006 study?
Definition
That the number of pictures presented at once in 'sameness' studies dramatically effected success rates.
Term
What is oddity?
Definition
Oddity is the ability to relate an object by its lack of connection to the rest of the objects in the set. Chimps were able to recognize this, but cats and raccoons were not able to do to this.
Term
Is language important in categorization tests? Give an example.
Definition
Yes, Alex the parrot performed significantly better than chance even when presented with novel tasks and objects.
Term
What are second order relationships?
Definition
A second order relationship is the relationship between two different relationships. Chimps and children under five were unable to solve these tasks.
Term
What was the implication of Oden's study with chimps and toys?
Definition
The implication of Oden's study was that chimps are able to appreciate whether objects are the same or different.
Term
What is significant about the experimental design of Oden and Thompsons' study?
Definition
The chimps were able to display a knowledge of second order relationships after they mastered the token lesson.
Term
What is analogical reasoning? Give an example.
Definition
The ability to create relationships between things based knowledge of previous examples. For example, "As dog is to puppy, so is cow to _____" So far chimps are the only primates other than humans to do this, and this is largely due to language training.
Term
What was the name of the chimp who displayed convincing evidence that chimps have analogical reasoning?
Definition
Sarah (Premack, 1976)
Term
Make an argument that the ability to form second order relationships, use analogical reasoning, and perform match to sample tasks does NOT require sophisticated intellectual mechanisms.
Definition
There is no concrete code/image to represent relationships, so we don't know if they're really being made in experiments.
Term
Make an argument that the ability to form second order relationships, use analogical reasoning, and perform match to sample tasks does require sophisticated intellectual mechanisms.
Definition
The sensation of familiarity could provide a discriminative stimulus controlling the correct response.
Term
What do we know about primate abilities to count and perform arithmetic?
Definition
1. Relative Numerosity
2. Absolute Numerosity
3. Sequential Sequence
4. Number Modifications
5.The representation of a number
6.
Term
Who was Clever Hans?
Definition
A horse who was able to 'perform' amazing arithmatic tricks by picking up on the body languages of people administering the tests.
Term
What is Relative Numerosity? Give an example.
Definition
Ability to tell if there is more of one element than another. For example, being able to tell which out of two piles of M&Ms is greater. Honing and Stonart performed relative numerosity studies with pigeons pecking.
Term
What problems did apes have with relative numerosity?
Definition
Apes couldn't control themselves with relative numerosity tasks involving M&Ms, but once the piles were replace with numerals they were able to pass.
Term
What is Absolute Numerosity?
Definition
Ability to determine the absolute number of items/events, etc.
Term
What was the Rumbaugh and Washburn (1993) study?
Definition
This study showed that chimps could make number modifications by forcing them to match the number of objects on a screen using a joystick with the Arabic numeral displayed.
Term
What is Sequential Stimuli? Who conducted a study on this subject?
Definition
The sequence in which stimuli in a study (such as positioning, shape, and orientation of objects) are presented in numerical studies. Brannon and Terrance performed studies with chimps on this.
Term
What are the two ways to represent a number?
Definition
Nominal and Ordinal.
Term
What is a Nominal Scale?
Definition
A set of numbers used to represent different objects. For example, numbers on sports jerseys.
Term
What is an Ordinal Scale?
Definition
A set of numbers that denote different positions in a sequence.
Term
Describe Brannon's 2006 study and it's implication.
Definition
Trained monkeys to to recognize patters with 1-4 objects. The monkeys were then presented with patterns with more than 4 objects and usually selected the pattern with the lower number of objects first. Rhesus Macaques are likely able to represent numbers on an ordinal scale. However, when the monkeys were trained in the opposite manner (descending order) they failed to generalize.
Term
Give an example of evidence for use of the ordinal scale
Definition
Alex the parrot was able to appreciate the relative magnitude of objects and hence ordinal properties.
Term
Give an example of animals performing addition.
Definition
1. Objects were hidden under cups and Alex had to add them up.
2. Sheba the chimp would go into a room and look at objects placed under multiple boxes, add them up, then provide a numerical response for how many objects in total were in the room.
Term
What was the implication of the experiment involving Sheba the chimp?
Definition
This experiment suggested that Sheba was using an Interval rather than an Ordinal scale.
Term
What is an Interval Scale?
Definition
A set of numbers that denote different positions in a sequence, with the distance between adjacent positions being the same across the scale.
Term
What are the differences between Interval and Ordinal scales?
Definition
1. On an ordinal scale, the distance between adjacent positions is not necessarily equivalent.
2. An interval scale allows for additions and subtractions.
Term
How are primates able to perform the numerical tasks we've just seen?
Definition
There are three alternative theories to explain this:
1. Subitizing
2. Perceptual Matching
3. Counting
Term
Define Subitizing.
Definition
To judge quickly and accurately the number of objects in a group without counting them.
Term
What can subitizing be contrasted with?
Definition
1. Estimating (less accurate but can be applied to large numbers)
2. Counting (more accurate but is slower because it involves the process of enumeration one by one)
Term
What is the conclusion about subitizing in relation to explaining how animals count?
Definition
Subitizing may take place but it provides an incomplete explanation for the way in which animals count.
Term
Can subitizing explain primates' counting ability?
Definition
There is no test to determine if subitizing took place.
Doesn't explain Brannon's 2006 study
Subitizing normally assumed to take place when the items being counted are presented by themselves.
Term
What is Perceptual Matching?
Definition
When an animal takes a mental 'snapshot' of a stimulus that contains numerical information; they then compare this snapshot with with a test pattern on subsequent trials.
Term
Give an example of Perceptual Matching.
Definition
Pigeons taking mental snapshots of blue dots and red dots and use these snap shots to compare to the presented picture of mixed dots and uses these previous snap shots to evaluate the picture of mixed dots.
Term
Give 3 examples of experiments that contradict the theory of Perceptual Matching.
Definition
1. The Brannon and Terrace (2000) study in which monkeys were able to perform correctly with NOVEL numerical arrays.
2. Alex performing addition.
3. Sheba performing addition.
Term
What are Numerons?
Definition
Labels that represent numerosities, an essential part of the counting process in humans.
Term
What are the 3 constraints that the counting process obeys?
Definition
1. The One on One Principle
2. The Stable Ordering Principle
3. The Cardinal Priciple
Term
What is the One on One Principle?
Definition
Each item in the set is assigned one and only one numeron.
Term
What is the Stable Ordering Principle?
Definition
The order in which numerons are assigned is always the same.
Term
What is the Cardinal Principle?
Definition
The final numeron assigned, and only the final numeron, is used as the representative of the numerosity of the set.
Term
Who established the 3 principles of counting?
Definition
Gallistel (1993)
Term
What two generalizations can we make from Gallistel's counting principles?
Definition
1. All groups represented by the same numeron contain the same number of items.
2. If groups are represented by the same numeron, they can be treated in the same way, and categorization based on the number will be successful.
Term
Do Gallistel's principles help us to determine if Alex or Sheba were counting?
Definition
Gallistel (1993) provides the frame work within which to analyze counting, but we still don't know how numerons are acquired or how to determine evidence of counting in non human animals.
Term
What is Serial Order?
Definition
Animals can remember the order in which a sequence of stimuli has been presented or or a sequence of responses must be performed.
Term
What is Simultaneous Chaining?
Definition
A fixed number of stimuli are presented simultaneously and the subject must select each one in the correct order to gain reward.
Term
What is "chunking"?
Definition
In Simultaneous chaining, assigning items to 'lists'
Term
What conclusions can we draw from simultaneous chaining studies regarding pigeons?
Definition
Pigeons may lack detailed knowledge about the list, or they may not be able to remember lists that contain more than 3 items.
Term
Do pigeons, monkeys and humans solve simultaneous chaining problems in the same way?
Definition
Probably not.
Term
What is the Magnitude Effect?
Definition
Latency to select first object is shorter when it's closer to the first item in the entire list.
Term
What is the Distance Effect?
Definition
The latency to select the first item in a pair is shorter when the distance between the two items is larger.
Term
What conclusions can we draw from Terrace's 1997 study in which Macaques had to select the correct picture from sets (Tree, fish, frog, Obama experiment) and achieved nearly perfect results from the beginning?
Definition
During their original training, the monkeys acquired knowledge of the serial position of the items in the list. But we still don't know how they acquired these relationships.
Term
How do monkeys represent the relationships of the serial postions of items in a list?
Definition
1. Arbitrary symbols (this is unlikely)
2. Spatial or analogical representation
Term
What is transitive inference? Give an example.
Definition
Using previous knowledge about items' positions in a set to determine the positions of other items in relation to the original items. For example, given that A is bigger than B, and B is bigger than C, A must be bigger than C.
Term
Who did a study that proved that primates are capable of transitive inference?
Definition
Gilian in 1981 (study with M&M can picture thingys)
Term
What are the three suggestions as to how primates represent spatial information?
Definition
1. A geometric cognitive map
2. A network cognitive map
3. A combination of both?
Term
What is a Geometric (Vector) map?
Definition
A map in which exact angles and distances between sites are known. They allow for novel routes to be created.
Term
What is a Network (Landmark) map?
Definition
A map in which information is coded in terms of routes and landmarks. Can become complicated based on the number of landmarks and routes encoded.
Term
Do primates travel along their own 'highways'?
Definition
Yes! Primates use habitual travel routes. These routes can be used by different groups/species.
Term
Why do primates use habitual travel routes?
Definition
Ease of travel, distribution of important foods, ease of navigation?
Term
Geometric maps may be used on a ______ scale while network maps may be used on a ______ scale.
Definition
Smaller, Larger
Term
How many sites and for how long can non human primates remember?
Definition
Hundreds for up to 18 months.
Term
How many sites can an animal remember?
Definition
Sheep can remember over 130 while Clark's Nutcracker can remember somewhere around 3,000.
Term
How long do animals remember content?
Definition
Frogs only remember content for about 35 days while Rio the sea lion remembered content from over 10 years ago.
Term
What 3 theories explain the Short Term Retention Theory?
Definition
1. Decay Theory
2. Limited Capacity Theory
3. Deliberate Forgetting
Term
What is Decay Theory?
Definition
An explanation of short term retention that says an event is lost from short term memory because it's trace decays with the passage of time.
Term
What is Limited Capacity Theory?
Definition
An explanation of short term retention that says short term memory can only hold a limited amount of information resulting in new information displacing previously acquired information.
Term
What is Deliberate Forgetting?
Definition
An explanation of short term retention that says that if something is irrelevant, it might be discarded by a process of deliberate or active forgetting.
Term
What are the two serial position effects?
Definition
1. Primacy
2. Recency
Term
What is recency?
Definition
A serial position effect in which there is superior recall of itms at the end of the list than in the middle.
Term
What is primacy?
Definition
A serial position effect in which there is superior recall of items at the beginning of the list.
Term
What are the two explanations of Long Term Retention?
Definition
1. Consolidation Theory
2. Reactivation
Term
What is Consolidation Theory?
Definition
An explanation of long term retention that says after an event, a period of consolidation is required so the memory can be reviewed at a later date.
Term
What is Reactivation?
Definition
An explanation of long term retention that is a method for activating a memory for an event by presenting some of the cues that were present at the time of the event. For example, smells.
Term
What is Episodic Memory?
Definition
A memory of an event that contains information about what happened, where, and when.
Term
What is metamemory?
Definition
An individual's knowledge about the strength, accuracy, and ease of accessibility of a specific memory. For example, gambling macaques.
Term
Just how far do animals travel?
Definition
Humpback whales go from Alaska to Hawaii, 5,000mi and off by only 1 degree.
Wildabeasts go 1800km
Salmon swim upstream to their birth place (use smell?)
Baboons and Macaques have only been recorded to go 60ish km and 80ish km, respectively.
Term
What are so possible explanations to how animals navigate?
Definition
1. Global Navigation
2. Navigational Cues (Landmarks)
Term
What are some possible explanations for a pigeon's homing abilities?
Definition
1. Retracing outward route, but even pigeons that are anesthetized can find their way back home.
2. The map and compass theory (use the sun/magnetic fields)
3. Bicoordinate Navigation
Term
What are some examples of Navigational cues?
Definition
Changes in air pressure, Infrasound, Polarized/UV Light, Olafacatio
Term
What are some examples of geometric relations?
Definition
Clark's nutcrackers have appreciation for middle or half.
Capuchins may be able to mentally rotate the configuration of three landmarks in order to solve foraging problems.
Term
How do animals know when to migrate?
Definition
Endogenerous cues or timing
Term
What is Endogenerous control?
Definition
Cues for migration that arise from within the animal and not from external forces.
Term
What are the two types of timing?
Definition
1. Periodic
2. Interval Timing
Term
What is Periodic Timing?
Definition
Timing that allows an animal to respond at regular intervals, such as the same time every day. For example, always waking up at about 8:00AM. Many animals display this on a 24hr cycles.
Term
What is circadian rhythm?
Definition
The repeated occurance of an activity once every 24hrs that does depend on external simulation for it to be maintained.
Term
Give an example of an internal clock (periodic timing).
Definition
Cockroaches still maintained expected levels of activity even when they were unable to see light.
Term
What are some alternatives to internal clocks?
Definition
Decaying memory trace.
Onset of stimuli to signal a series of events (i.e. behaviors happen in a particular order). For example, my alarm goes off, I eat breakfast, then I brush my teeth, then I get dressed.
Term
Cultural behaviors are those that:
Definition
1. Are specific to members of a "group"
2. Are transmitted via some form of social learning.
(Calldwell and Whiten, 2010)
Term
What is culture?
Definition
A series of behaviors or traditions that a specific to a group that are socially learned.
Term
What is key to culture?
Definition
It is socially learned, not acquired from genetics.
Term
What is a tradition?
Definition
A behaviorial pattern share by its practioners due to some form of social learning. (Perry, 2000)
Term
What is social learning?
Definition
the individual use of public information to organize behavior. (Perry, 2000)
Term
Other than social learning, what are some explanations for geographic variations in non human culture?
Definition
1. Heritable differences that influence behavior
2. Environmental differences between habitats of the populations. These result in systematic differences in the reinforcement individuals receive for engaging in various behaviors.
3. Some sort of social transmission?
Term
How do we tell the different explanations for geographic differences in non human culture?
Definition
1. systematic studies
2. analysis of diffusion patterns
3. experiments
Term
Why is analysis of diffusion patterns difficult to do?
Definition
Because it requires that scientists follow the group(s) for a very long time and keep immaculate records of observations.
Term
Give five examples of chimp culture.
Definition
1. hand clasping
2. leaf dropping to single wanting to be groomed
3. kisses
4. swallowing leaves whole at dawn
5. making sponges out of leaves
6. ant wands
Term
Give five examples of orangutan culture.
Definition
1. Building play nests
2. making raspberry sounds to indicate it's bedtime
3. using leaves as gloves when picking up pokey fruit
4. using tools to remove seeds from protective fruit
5. dead twig sucking
6. slow loris eating
Term
What are the alternative studies examined by Van Shaik?
Definition
1. Innovation and Diffusion Hypothesis
2. Necessity Hypothesis
3. Free Time Hypothesis
4. Habitat Effect
5. Social Learning
Term
What is the Innovation and Diffusion Hypothesis examined by Van Shaik and what was his conclusion?
Definition
Culture differences increase as the distance between sites increases even when ecological settings are similar. This supports social learning.
Term
What is the Necessity Hypothesis examined by Van Shaik and what was his conclusion?
Definition
Food sensitivity vs. cultural variants (food related). Van Shaik concluded that there is no connection between the two. Although this doesn't directly support social learning, it does not support an alternative.
Term
What is the Free Time Hypothesis examined by Van Shaik and what was his conclusion?
Definition
Free time (time spent resting) vs. cutural variants. The more time you have on your hands, the more time you have to think and innovate things. Found the opposite of what was expected, the less free time subjects had the more cultural variants. So this alternative hypothesis is not supported.
Term
What is the Habitat Effect examined by Van Shaik and what was his conclusion?
Definition
More similar your environments, the more similar your cultural repertoire. Found there to be no effect, so this alt. hyp. is not supported.
Term
What was Van Shaik's conclusion on social learning?
Definition
As social contact increases, behavior repertoire increases as well.
Term
What is stimulus enhancement (with respect to cultural variants)?
Definition
If you're around someone who is performing a task a lot, you yourself are around the tools and situations in which that task is performed enough to perform it on your own.
Term
What are the three differences between human and non human cultures?
Definition
1. Teaching. Humans are the only species to actively teach one another in everyday life.
2. Symbolism. Primates lack a use of symbols in their cultural development.
3. Language (Mostly verbal)
Term
What is teaching? (Caro and Hauser, 1992)
Definition
Any behavior of one animal that serves to assist another animal's learning. According to this definition, teaching is fairly common in the animal kingdom.
Term
What is Active Teaching?
Definition
Flexible forms of instruction in which one individual modifies their behavior contingent upon the learner's progress, skills, or knowledge. This type of teaching is much less common and relies on the assumption of intent and knowledge of the mental states of conspecifics.
Term
Give some examples of teaching in primates.
Definition
Macaques encouraging their infants to learn to walk by standing a few feet away from them and encouraging them to come by outstretching their arms and smacking their lips.
Babooons yelling at their young when they attempt to eat dangerous foods.
Chimps do both of these.
Term
What is the critical aspect of teaching?
Definition
Intent
Term
What is the differentiating factor between culture definitions?
Definition
It is agreed that culture must be socially learned. The only thing that differs between definitions is how that knowledge is acquired.
Term
According to Boesch (1991), observations of teaching can be divided into:
Definition
1. Facilitations
2. Active teaching
Term
Give an example of observed facilitation teaching?
Definition
Mothers allowing infants to play with nuts and hammers so that they can figure out how to crack the nuts on their own.
Term
Give an example of active teaching (there's only two recorded).
Definition
A mother chimp adjusting the nuts and hammer an infant is using to attempt to crack a nut. (Boesch 1991)
Washoe, a lang. trained chimp, rotated the hand of a fellow chimp into the correct sign. (Fouts1989)
Term
Why were human children unable to cut to the chase in the clear vs. black box tapping exercise?
Definition
Because human children expect to be taught. They trust that adults to know what they're talking about.
Term
What was the conclusion of Lycett's 2007 systematic survey study?
Definition
Genetic variation is an unlikely explanation for the variation found in Whiten's 1999 study... behavioral and genetic trees did not match!
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