Ivan Pavlov, a physiologist, wanted to find why human bodies react to certain stimuli the way it does. For Pavlov’s experiment he got his assistants to introduce food and nonfood objects to a dog to measure the rate of salvation. Different foods would cause the dog to salivate more. For instance the dog would salivate more when it received dry food than when it received wet food. Pavlov called this a reflex and concluded that happens automatically. Pavlov found two kinds of reflexes must exist and one of these reflexes was an unconditional reflex which is an automatic reflex that is not learned. The other reflex is conditional reflex which is learned or acquired during experience. Pavlov wanted to see how the conditional reflex was actually
* Ivan Pavlov (behaviorist) – Started the idea of conditioning, where an inherited reflex comes to be triggered by a stimulus that has nothing to do with that reflex. He showed that even inherited reflexes could be influenced dramatically by learning experiences.
Pavlov’s discovery of classical conditioning was a complete accident (Hock, 2009, p. 66). Pavlov was doing physiology research with salvation’s role with digestion when he discovered classical conditioning. In his research, he had dogs with their salvation glands redirected to their cheek in order to test the amount of saliva produced when presented with different foods. Pavlov then noticed that the dogs would salivate before they even got the food. He then discovered that the dogs had associated the worker’s footsteps with the food. So, when the dogs hear the footsteps they know that food is on the way so they begin to salivate.
Pavlov’s theory is to show that there are some things that a dog does not need to learn. When food is shown to the dog, the dog starts to salivate which shows we have got a response, this is an unconditioned response because when he salivates he cannot control it. He then set up an experiment to find out if the dog could be trained to salivate at other stimuli such as ringing a bell when it is time for the dog to eat. When ringing the bell there was no conditioned response from the dog which then led him to ring the bell with the food to see if the dog would still salivate. When ringing the bell with the food the dog then had an unconditioned response and started salivating again. The fourth time he rang the bell and took the food away, which
Classical Conditioning is a type of learning process of an individual when they come in contact with certain stimuli. According to Pavlov, a Russian psychologist, he developed several experiments on learning and he discovered that classical condition is the basic form of learning for an individual. However, according to Pavlov, behaviorism is the view that psychology should be the main objective science that studies behavior without including mental processes of an individual in the investigation. Behaviorism is more about the person’s behavior and how they were influenced to act a certain why, including their surroundings. Thus, from this learning process many behaviorist believes that the basic laws of learning are similar for all different species, including humans. Furthermore, the two major characteristics that distinguish classical conditioning from operant conditioning is that in classical conditioning, an unconditioned response is an event that happens naturally in response to some stimuli such as salivation. Another characteristic is an unconditioned stimuli, which is a process where an individual naturally discovers something without learning the process and reacts to the unlearned response, For instance, when someone put food in there mouth this causes salivation. A conditioned stimuli in classical
This is known as the unconditioned stimulus (UCS). Meat is the unconditioned stimulus because at the sight of the meat the dogs begin to salivate (Feldman, 2010). The dog’s response to the meat educes salivation and is known as the unconditioned response (UCR). An unconditioned response is defined as a reflexive and natural response that is not connected to prior learning. Unconditioned responses always occur in the presence of the unconditioned stimulus (Feldman, 2010). While conditioning the dogs, Pavlov would ring a bell right before the presentation of meat. Eventually, the dogs would associate the ringing of the bell with the meat. Therefore, the dogs would begin to salivate at the sound of the bell. At this point, Pavlov could state that he had classically conditioned his dogs. The bell which was a prior neutral stimulus had now become the conditioned stimulus (CS) that brought forth the conditioned response (CR) of salivation (Feldman, 2010). Moreover, we have to ask what would happen if these poor dogs were never again received food upon the ringing of the bell. This would lead to extinction. Extinction occurs when a prior conditioned response decreases in frequency and eventually disappears (Feldman, 2010). In order for Pavlov to unconditioned his dogs he would have to break their association with the sound of the ringing bell and the presentation of food. To do so he
Ivan Pavlov was brought into this world on September 14, 1849 in Ryazan, Russia. His father, Peter Dmitrievich Pavlov, happened to be the head priest in the village, so Ivan Pavlov started out in a church school. He aspired to become a priest himself until he started seminary school when he discovered D.I. Pisarev, the most prominent russian literary critic of the time. Pavlov was inspired by Pisarev’s atypical views and ideas. That was when Ivan Pavlov decided to dedicate his life to science, rather than theology (Nobel Lectures). Pavlov transferred to the University of St. Petersburg to learn more having to do with the natural sciences. His professor in psychology, Cyon was very enthusiastic, and Ivan Pavlov respected and honored him. This
In order to induce a conditioned reflex Pavlov paired neutral stimuli, in this case a bell, with the meat powder. Acquisition is the root of learning in classical conditioning whereby the CS is paired several times with the US. The more pairings the more robust the learning as discussed by (Balkenius, 1999). Pavlov observed that after conditioning when the bell rang the dog salivated therefore, the neutral stimuli became conditioned stimuli (CS) and the dog, when presented with the bell would show the reflexive response (CR) salivation. Extinction occurred if the CS is no longer presented with the US. (Dhir, 2007). Conversely, reconditioning counters extinction when pairings are re-presented, this time however, the learning is faster, showing the initial acquisition is not completely removed from the memory of the animal. Spontaneous recovery is a phenomenon of the learned behaviour returning extemporaneously after the animal has rested. Hence the CS is again presented provoking the CR. Generalisation explains response to stimuli that is close to but not an exact match of the original CS. The closer the stimuli are to the original CS the stronger the CR.(Gleitman, Fridlund, & Reisberg, 1999)
Classical conditioning was stumbled upon by a Russian physiologist, Ivan Pavlov. His unexpected discovery led him to win a rightfully earned Noble Prize. Classical conditioning is defined as “a form of learning in which reflex responses are associated with new stimuli (Coon & Mitterer, 2016, p. 201).” This form of learning is also called Pavlovian conditioning or respondent conditioning. He found a connection between the stimuli for his dogs’ salivation during his experiment. To begin explaining classical conditioning, it is best to explain how Pavlov conducted his research. He began his experiment by ringing a bell, which was a neutral stimulus (NS) for his dogs. A neutral stimulus is defined as “a stimulus that does not evoke a response (Coon & Mitterer, 2016, p. 201).” Directly after, he put meat
When compared to Freud’s psychosexual stages of development, one can see that Erikson’s theory has many similarities. As a one of Freud’s students, Erik Erikson was not convinced by Freud’s psychosexual stage of development, which lead to the development of his theory of psychosocial stages of development (Arnett, 2015). Within Erikson’s theory there are eight different stages with different life crisis to be resolved. Not resolving the conflicts would lead to an unhealthy personality, which causes many pro and cons within Erikson’s theory (Engler, 2013).
Russian physiologist Ivan Pavlov was the first to describe classical conditioning or Pavlovian conditioning. It has a textbook meaning which is the learning process in which a neutral stimulus (e.g., a tone) becomes associated with an innately meaningful stimulus (e.g., food) and acquires the capacity to elicit a similar or a conditioned response (e.g., salivation).
Classical conditioning is a type of associative learning which occurs when two stimuli are paired together repetitively and therefore become associated with each other eventually producing the same response. Classical conditioning was developed from the findings of Ivan Pavlov to account for associations between neutral stimuli and reflexive behavior such as salivation. Pavlov (1927) accidently discovered that dogs began to salivate before they had tasted their food. To support his theory, he carried out experiments using dogs which involved measuring the amount of saliva they produced. In his experiments, food started off as an unconditioned stimulus (UCS) which produced salivation, an unconditioned response (UCR). They are both unconditioned as they occur naturally without being learned. The dogs were presented with a bell (NS), this provided no salivation. The bell and food were presented together and after many trails an
In 1903 a Russian physiologist by the name of Ivan Pavlov first developed an experiential model of learning called Classical Conditioning (Lautenheiser 1999). An example if Classical Conditioning would be ringing a bell when it is time for your pet to eat. The pet hears the bell and over time is conditioned that when the bell rings its dinner time thus begins to salivate, and eventually learns to be conditioned to responding to the bell in a specific manner. The bases was that neutral stimulus would be put together with an excitatory one and over time the neutral stimulus would, at some point down the line elicit the response that was associated with the original unlearned response. Pavlov later added an element known as the nonexcitatory, conditioned stimulus which is but together with an unconditioned stimulus (Lautenheiser 1999).
Pavlov, I. P. (1928). Lectures on conditioned reflexes.(Translated by W.H. Gantt) London: Allen and Unwin.
What is learning? The text defines learning as “a process that produces a relatively enduring change in behavior or knowledge as a result of an individual’s experience (Hockenbury, page 182).” Much of chapter five of our text discusses “conditioning”, which is “the process of learning associations between environmental events and behavioral responses (Hockenbury, page 183).” One of the forms of conditioning is called “classical conditioning”. Classical conditioning is defined as “the basic learning process that involves repeatedly pairing a neutral stimulus with a response-producing stimulus until the neutral stimulus elicits the sameresponse (Hockenbury, page 184).” Ivan Pavlov was a Russian physiologist that largely contributed to learning by conducting his classical conditioning experiment observing the use of saliva in digestion in dogs. In his experiment, food was placed on the dog’s tongue to produce salivation. After several days of testing Pavlov noticed that the dog began to salivate as soon as he entered the room or even presented the food. According to the text, the food is considered the“unconditioned stimulus” or “the neutral stimulus that reflexively produces a response without prior learning (Hockenbury, page 184).” The dog’s salivation is called the “unconditionedresponse” which is “the unlearned, reflexive response (Hockenbury, page 184).” Pavlov wanted to learn about his discovery, so he sounded a bell preceding the presentation of food. After doing this
During the 1970s, the Business world became aware of damages engendered by the human activity, in particular environmental damages. For this reason appeared the notion of « sustainable development » in the Brundland report (1987). This notion can be defined as the mean to assure the development of the current generation without compromising the development of future generations. The Corporate Social Responsibilities (CSR) are in a sense the contribution of companies to respect the stakes of the sustainable development. The Corporate Social Responsibilities of companies base on social, environmental and economic concerns. This match the “triple bottom line” theory: “People, Planet, Profit”. Over the years, Corporate Social Responsibility expended and became very important in the Business organisation and a large number of companies take part in CSR initiatives. In 2004, approximately 90% of the 500 best performing companies according to Fortune magazine had invested in CSR efforts.