Classical Conditioning in the Social Imagination...

 

 

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Pavlov’s Famous Study

The best-known of Pavlov’s experiments involves the study of the salivation of dogs. Pavlov was originally studying the saliva of dogs as it related to digestion, but as he conducted his research, he noticed that the dogs would begin to salivate every time he entered the room—even if he had no food. The dogs were associating his entrance into the room with being fed. This led Pavlov to design a series of experiments in which he used various sound objects, such as a buzzer, to condition the salivation response in dogs.

He started by sounding a buzzer each time food was given to the dogs and found that the dogs would start salivating immediately after hearing the buzzer—even before seeing the food. After a period of time, Pavlov began sounding the buzzer without giving any food at all and found that the dogs continued to salivate at the sound of the buzzer even in the absence of food. They had learned to associate the sound of the buzzer with being fed.

If we look at Pavlov’s experiment, we can identify the four factors of classical conditioning at work:

• The unconditioned response was the dogs’ natural salivation in response to seeing or smelling their food.
• The unconditioned stimulus was the sight or smell of the food itself.
• The conditioned stimulus was the ringing of the bell, which previously had no association with food.
• The conditioned response, therefore, was the salivation of the dogs in response to the ringing of the bell, even when no food was present.

Pavlov had successfully associated an unconditioned response (natural salivation in response to food) with a conditioned stimulus (a buzzer), eventually creating a conditioned response (salivation in response to a buzzer). With these results, Pavlov established his theory of classical conditioning.

Neurological Response to Conditioning

Consider how the conditioned response occurs in the brain. When a dog sees food, the visual and olfactory stimuli send information to the brain through their respective neural pathways, ultimately activating the salivation glands to secrete saliva. This reaction is a natural biological process as saliva aids in the digestion of food. When a dog hears a buzzer and at the same time sees food, the auditory stimulus activates the associated neural pathways. However, because these pathways are being activated at the same time as the other neural pathways, there are weak synapse reactions that occur between the auditory stimulus and the behavioral response. Over time, these synapses are strengthened so that it only takes the sound of a buzzer (or a bell) to activate the pathway leading to salivation.

Behaviorism and Other Research

Pavlov’s research contributed to other studies and theories in behaviorism, which is an approach to psychology interested in observable behaviors rather than the inner workings of the mind. The philosopher Bertrand Russell argued that Pavlov’s work was an important contribution to a philosophy of mind. Pavlov’s research also contributed to Hans Eysench’s personality theory of introversion and extroversion. Eysench built upon Pavlov’s research on dogs, hypothesizing that the differences in arousal that the dogs displayed was due to inborn genetic differences. Eysench then extended the research to human personality traits.

Pavlov’s research further led to the development of important behavior-therapy techniques, such as flooding and desensitizing, for individuals who struggle with fear and anxiety. Desensitizing is a kind of reverse conditioning in which an individual is repeatedly exposed to the thing that is causing the anxiety. Flooding is similar in that it exposes an individual to the thing causing the anxiety, but it does so in a more intense and prolonged way.

Classical Conditioning in Humans

The influence of classical conditioning can be seen in responses such as phobias, disgust, nausea, anger, and sexual arousal. A familiar example is conditioned nausea, in which the sight or smell of a particular food causes nausea because it caused stomach upset in the past. Similarly, when the sight of a dog has been associated with a memory of being bitten, the result may be a conditioned fear of dogs.

As an adaptive mechanism, conditioning helps shield an individual from harm or prepare them for important biological events, such as sexual activity. Thus, a stimulus that has occurred before sexual interaction comes to cause sexual arousal, which prepares the individual for sexual contact. For example, sexual arousal has been conditioned in human subjects by pairing a stimulus like a picture of a jar of pennies with views of an erotic film clip. Similar experiments involving blue gourami fish and domesticated quail have shown that such conditioning can increase the number of offspring. These results suggest that conditioning techniques might help to increase fertility rates in infertile individuals and endangered species.

Classical Conditioning in Everyday Life

Classical conditioning is used not only in therapeutic interventions, but in everyday life as well. Advertising executives, for example, are adept at applying the principles of associative learning. Think about the car commercials you have seen on television: many of them feature an attractive model. By associating the model with the car being advertised, you come to see the car as being desirable (Cialdini, 2008). You may be asking yourself, does this advertising technique actually work? According to Cialdini (2008), men who viewed a car commercial that included an attractive model later rated the car as being faster, more appealing, and better designed than did men who viewed an advertisement for the same car without the model.

 Are you being conditioned, like a dog, to get jabbed and who knows what else? 

FYI, Albert Bourla, CEO of Pfizer, earned a doctorate in the biotechnology of reproduction at Aristotle University of Thessaloniki's Veterinary School in 1985. Bourla joined Pfizer in 1993, first serving as a doctor of veterinary medicine and technical director for the company's animal health division in Greece...Who's dog are you? Just askin...

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