Current Perspectives in Psychology
Although they do not exist as separate schools in modern
psychology, the early schools of psychology have left an important mark on
modern psychology. Together, they defined psychology’s boundaries and frontiers
endowing us with a broadly defined and unexplored agenda for research, theory
building, and speculation. Vestiges of the early schools can be found in the
five major perspectives present in modern psychology. In fact, two of these
current perspectives—the behavioral and the psychodynamic perspectives—trace
their beginnings directly to the corresponding early schools.
These
five contemporary perspectives are summarized in Table below.
The Behavioral
Perspective
The
environment acts in an inconspicuous way: it does not push or pull, it selects. . . . It is now clear that we
must take into account what the environment does to an organism not only before
but after it responds. Behavior is shaped and maintained by its consequences.
B. F. Skinner, 1971
Beyond Freedom and Dignity
Psychologists
working from the behavioral perspective
are primarily interested in studying how different aspects of the environment
affect behavior, either alone or in conjunction with biological variables.
Behavioral psychologists may study the relation between behavior and the
environment in the laboratory or in applied settings such as schools, homes,
and businesses. They are particularly interested in the relation between
behavior and its consequences. Some behavior might lead to pleasant outcomes.
For example, studying hard can lead to good grades, which can lead to
acceptance into medical school. Other behavior might lead to less desirable
outcomes. Ignoring studies and skipping class leads to poor grades. This link
between behavior and its consequences is at the core of behavior analysis, the
branch of modern psychology that endorses the principles of behaviorism.
The
Biological Perspective
Understanding the brain’s relation to
basic issues of human nature raises some deep questions about knowledge of
structure and function of that particular piece of biological tissue.
Michael S. Gazzaniga,
1985
The Social Brain
Psychologists
working from the biological perspective
study how genetic, physiological, and other biological processes influence
behavior. They are interested in problems such as genetic influences on
learning, brain structure and function, and how drugs and other chemicals
affect our behavior, our thoughts, and our emotions. Biopsychologists search
for the biological bases of behavior and cognition. Three interrelated versions
of the biological perspective are explored in this text: the evolutionary basis
of behavior is the study of how heredity and genetics affect behavior;
neuroscience involves the study of the brain and nervous system and their
concerted influence on behavior; and ethology is the study of behavior as it
occurs in the natural world, particularly among nonhuman species.
The
biological basis of psychology has been part of psychological theory and
research from the beginning. Indeed, both Wundt and Freud began their careers
as physiologists before establishing their respective schools of psychology,
and Watson’s doctoral thesis focused on physical structure of the brains of
young rats (Francher, 1979). Within the last few decades, however, psychology
and related sciences have placed a new emphasis on biology, creating what some
refer to as a “biological revolution.” Advances in technology have provided
psychologists and other scientists with new tools for investigating the
biological underpinnings of behavior and cognition. As we’ll see, deft use of
these tools has led to many significant discoveries ranging from better
understanding the genetics of inheritance to better understanding the chemical
structure of the brain and nervous system.
The
Cognitive Perspective
Cognition
is the activity of knowing: the acquisition, organization, and use of
knowledge. It is something that organisms do and in particular something that
people do. For this reason the study of cognition is a part of psychology, and
theories of cognition are psychological theories.
Ulric Neisser, 1976
Cognition and Reality
Psychologists
who are primarily interested in studying how people sense, perceive, think,
remember, solve complex problems, use language, and in general, process
information about their environments, generally work from the cognitive perspective. Although a
distant cousin of this perspective is Wundt’s structuralism, the cognitive
perspective did not become a powerful force in psychology until the 1960s. By
the 1970s, the “cognitive revolution” in psychology was well under way.
Cognitive
psychologists assume that the brain forms, stores, retrieves, and modifies
images and other internal representations of the external world. These
representations, which are inferred to exist on the basis of an individual’s
observable behavior, result from a blend of one’s life experiences. Moreover,
these representations are constantly undergoing change as new experiences
modify them.
Cognitive
psychologists explain mental processes on the basis of these representations.
Using computer programs as an analogy, these psychologists usually focus on
studying the “software” of the mind rather than its underlying “hardware.” In
fact, many cognitive psychologists, such as Herbert Simon (who was awarded a
Nobel prize in 1978 for his research on human cognition), develop computer
models of human cognition.
The
Psychodynamic Perspective
The
unconscious is the true psychical reality; in its innermost nature it is as
much unknown to us as the reality of the external world.
Sigmund Freud, 1900
The Interpretation of Dreams
Sigmund
Freud founded the early psychological school of psychoanalysis that emphasized
the unconscious determinants of behavioral processes in human life, an emphasis
that continues to be central to the work of many contemporary psychoanalysts.
Unconscious motivations, fears, and desires continue to be essential to some
theories of personality and in some types of therapy. Enough has changed from
Freud’s early work, however, that the intellectual descendants of Freud work
from what is now called the psychodynamic
perspective.
Freud
had, for example, originally constructed an elaborate theory of the development
of personality that was strongly based on unconscious sexual motivation.
Without discounting all of this early work, most modem psychologists reject
many of the details of this theory, The emphasis on sexual motivation continues
to be important other elements of modern psychodynamic perspective also
incorporates other elements of modern psychology such as the insights gleaned
from the study of conscious cognitive processes (Horowitz, 1988).
The
Social Perspective
One
cannot describe or deduce the facts of competition and cooperation, of
leadership and submission if one does not observe them; language and law cannot
be studied in a “generalized, human, normal, adult” mind purified of social
experience . . . . It follows that a general psychology, to be adequate, must
extend the observation of psychological processes to social conditions.
Solomon Asch, 1952
Social Psychology
Some
psychologists are primarily interested in the role of the social environment in
influencing and changing our lives. We live our lives around other people, and
we derive large measures of satisfaction, and sometimes frustration, from these
people. We influence and are influenced by other people to a profound degree.
Our families, our teachers, our friends, and our enemies have strong influences
on our lives, and in turn, we also influence them. Consider for a moment, how
your parents have influenced your thinking and behavior. Imagine, too, how
different their lives would be had you not been born.
According
to the social perspective, other
people in our social environment shape an individual’s behavior, attitudes, and
thinking. An entire subfield of psychology, social psychology, is dedicated to
this study, though other psychologists also use the social perspective. For
example, psychologists interested in how children develop and mature might
study a young child as he or she interacts with others.
Comparing
The Perspectives
As you
might expect, each of these different perspectives provides a unique framework
from which to understand behavior and cognition, and from which to use
psychology to help solve some of the problems that people face in their
day-to-day lives. To illustrate how these five perspectives guide the
understanding and interpretation of psychology, suppose that five
psychologists—a neuroscientist, a behavioral psychologist, a cognitive
psychologist, a psychodynamic psychologist, and a social psychologist – have
been hired as consultants by a research firm to study cigarette smoking. Their
task is to study the smoking behavior of several individuals to determine the
factors that influence smoking.
Each
psychologist would probably describe the patterns in the same general fashion,
carefully documenting such information as the kind of cigarette each person
smokes, how many cigarettes each person smokes a day, and the time of day each
cigarette is smoked. However, merely describing behavior is not the same as
explaining it. Explanation requires that the factors controlling the behavior
be identified and manipulated. Description is only the first step in a
scientific analysis. Thus, each psychologist’s interpretation will be colored
by his or her theoretical orientation; that is, the perspective that he or she
has adopted.
Examples
of these analyses of smoking follow. This is a hypothetical example that we use
to clarify some of the distinctions between the different perspectives.
However, in real life these distinctions may not always be as clear-cut as they
are presented here.
- § The neuroscientist would likely focus on the physiological effects of smoking, including the chemical influences of nicotine on the brain and nervous system. For example, some or all of the smokers may be addicted to the nicotine contained in cigarette smoke.
- § The behavioral psychologist would focus on the environmental conditions under which smoking occurs. For example, is the frequency of cigarette smoking higher during periods of stress than at other times? Do these people smoke more cigarettes than usual when they drink alcoholic beverages?
- § The cognitive psychologist would probably be interested in the individual’s perception of himself or herself as a smoker and the thoughts and perceptions that precede and accompany smoking.
- § The psychodynamic psychologist might focus on the early childhood and social experiences of each person. Do these people smoke because they have an unconscious desire for oral stimulation?
- § The social psychologist might seek to understand smoking from the individual’s interaction with other individuals. How do peers influence a person’s decision whether or not to start smoking? Do these people smoke more or less when in the presence of others? Do they smoke more or less in the presence of particular kinds of people?
Keep in mind that these five
different types of explanations complement one another in our understanding of
behavior. For the still emerging science of psychology, arriving at a truly
complete understanding of human behavior requires an integration of all five
perspectives. We are biological organisms who think and behave within a social
environment. This theme provides the backdrop for exploring and explaining
issues in contemporary psychology.
A
complete theoretical integration of these perspective is not yet possible at
this stage in the history of psychology. However, throughout this text, we have
attempted to explain psychology in terms of these biological, cognitive,
behavioral, psychodynamic, and social factors that influence our thought and
actions.
(Source: Buskist W., Gerbing D. W. Psychology: Boundaries
and Frontiers. United States of America: HarperCollinsPublishers. 1990. Page 6-11)
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