
Psychology
Defined
A new form of knowledge technology is used to diagnose psychology’s
epistemological woes and provide a solution to the difficulties. The
argument presented is that psychology has traditionally spanned two
separate but intimately related problems: (a) the problem of animal
behavior and (b) the problem of human behavior. Accordingly, the
solution offered divides the field into two broad, logically consistent
domains. The first domain is psychological formalism, which is defined
as the science of mind, corresponds to animal behavior, and consists of
the basic psychological sciences. The second domain is human psychology,
which is defined as the science of human behavior at the individual
level and is proposed as a hybrid that exists between psychological
formalism and the social sciences.
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The
Tree of Knowledge and
The Theoretical Unification of Knowledge
The outline for theoretically unified psychology is offered. A new
epistemological
system is used to provide a unique vantage point to examine how
psychological science
exists in relationship to the other sciences. This new view suggests
that psychology can
be thought of as existing between the central insights of B. F. Skinner
and Sigmund
Freud. Specifically, Skinner’s fundamental insight is merged with
cognitive neuroscience
to understand how mind emerges out of life. This conception is then
joined
with Freud’s fundamental insight to understand the evolutionary changes
in mind that
gave rise to human culture. By linking life to mind from the bottom and
mind to culture
from the top, psychology is effectively boxed in between biology and the
social
sciences. |

Toward
a Useful Mass Movement
Psychology has failed to reach its full potential as either a science or
a profession. The inability of psychologists to generate a shared,
general understanding of their subject matter and fundamental
differences between scientific and nonscientific views of human behavior
in society at large interact to render psychology’s contributions to the
world’s most pressing problems much less potent than might otherwise be
the case. The Tree of Knowledge (ToK) System affords new opportunities
both to define the discipline of psychology and to examine the
epistemological interrelations between the institution of science and
other societal institutions, such as law, governance, health care, the
arts, and religion. In this article I articulate how the foundation can
be laid for the development of a useful mass movement that could
transform the discipline of psychology in a manner that unleashes its
constructive potential, while at the same time it attempts to address
many of the concerns about the proposal raised by the contributors to
these two special issues. |

Unified
Professional Psychology:
Implications for the
Combined-Integrated Model of Doctoral Training
The authors outline a new identity for the professional psychologist
termed Unified Professional Psychology (UPP). UPP combines recent
movements toward a unified psychological science, an independent
professional psychology, and Combined-Integrated (C-I) doctoral training
programs in psychology. The value in the synthesis of these ideas is
that they (a) provide a comprehensive system of thought that defines the
science and practice of psychology in a commensurable manner, (b) offer
a clear identity for the professional psychologist, and (c) set the
stage for a training model that develops competencies that will prepare
graduates to serve as leaders and advocates in a wide array of health
settings. Issues pertaining to why a new view is needed and how UPP
specifies the science–practice relationship are addressed in detail. |

Introduction
to the Special Issues on the Unified Theory
A unified theory of psychology has recently been proposed
(Henriques,2003), and the next two issues of the Journal of Clinical
Psychology are devoted to its elaboration and evaluation. The current
issue consists of a target article, “Psychology Defined,” which adds to
the existing formulation and specifies how the theory can be used to
effectively define the science of psychology. Distinguished experts in
psychology contribute 13 commentaries offering a wide variety of
perspectives on the proposed model. These are followed by two
full-length articles in which one author articulates the need for the
unified theory and the other offers a different but compatible approach
at integrating psychotherapy and personality. In the next special issue,
authors either elaborate on or critique elements of the unified theory.
How the new theory lays the foundation for the development of a useful
mass movement that could transform the discipline of psychology in a
manner that unleashes its constructive potential is the subject of the
concluding article. When viewed as a whole, the two issues show that the
unified theory provides fertile ground for scientific and philosophical
inquiry on multiple levels of analysis, and that it may play a central
role in helping the discipline of psychology fulfill its constructive
potential. |

A
New Vision for the Field:
Introduction to the Second Special Issue on the
Unified Theory
This is the second of two issues of the Journal of Clinical Psychology
focused on the validity and usefulness of a new theoretical vision for
the
field (Henriques, 2003). The first two contributions from Rand and
Ilardi
and Geary both enrich the argument that psychology needs to be
effectively
connected with biology and physics and that the unified theory (via
Behavioral Investment Theory) is highly successful in this way. The
authors
of the subsequent three articles—Shaffer, Quackenbush, and Shealy—
show that the Tree of Knowledge System (through the Justification
Hypothesis)
is deeply commensurate with the dominant paradigms in the social
sciences. Thus, the group of authors of these five articles demonstrates
the viability of the unified theory both from bottom-up and top-down
viewpoints.
In the sixth article, the author addresses some important problems
that potentially arise with the development of a clearly defined
discipline.
In the concluding article I address the concerns about the proposal
raised
by the contributors to the two special issues and articulate how the
unified
theory lays the foundation for the development of a useful mass
movement in psychology. |

The
Problem of Psychology and the Integration
of Human Knowledge: Contrasting Wilson’s
Consilience with the Tree of Knowledge System
The central thesis of this essay is that the problem of psychology lies
at the very heart of the difficulties associated with integrating human
knowledge. The startling consequence of this insight is that it means
the solution to psychology’s epistemological woes opens up a new pathway
for achieving unified knowledge. A brief overview of the fragmentation
of knowledge will be offered and special attention will be paid to
Wilson’s (1998) proposal. The problem of psychology, Wilson’s failure to
address it, and the reasons why it is integral to any proposal for
unifying knowledge will then be specified. The article concludes with an
articulation of how the Tree of Knowledge (ToK) System solves the
problem of psychology, resolves many of the fundamental issues
associated with integrating human knowledge, and is commensurate with
the foremost concerns of natural scientists, social scientists and
humanists, allowing for objectivity, coherence, and pluralism. |

The Harmful
Dysfunction
Analysis and the Differentiation
Between Mental Disorder and Disease
Wakefield’s Harmful Dysfunction Analysis (HDA) for distinguishing
disorders from nondisorders has received much attention in the
literature. Although the analysis has many strengths, Wakefield (1999a;
1999b) fails to appropriately capture the nature of the disorder
construct thereby leading to much confusion. A solution is offered
suggesting disorder can be thought of as a utilitarian construct. When
viewed in this light, the HDA offers an excellent and useful definition
of disease for medicine. However, the HDA fails as a useful definition
for mental disorders because it contains a greedily reductionistic error
that suggests all mental disorders are reducible to biological theory.
An alternative way of conceptualizing mental disorders is offered and it
is suggested that the HDA’s success in defining disease provides an
important piece that allows mental health scientists begin to answer
which mental disorders are akin to medical diseases and which mental
disorders are not. |

The
Development of the Unified Theory
and the Future of Psychotherapy
Questions about the nature of psychotherapy and conflicts between
competing paradigms awakened in me a deep intellectual curiosity that
ultimately culminated in the development of the “unified theory” (see
Henriques, 2003; 2004; in press). I was fortunate in that early in my
graduate education I gained a rich exposure to the psychotherapy
integration movement. This led me to many important realizations,
including: a) many of the “single” schools were defined against one
another both conceptually and politically; b) no single school had the
depth and breadth in both the humanistic and scientific domains to offer
a comprehensive solution; and c) much overlap between the schools
becomes apparent as one becomes proficient in their language and
concepts. However, despite these problems, there were significant
difficulties in achieving a coherent integrative view. First, the
competing schools clearly had different (although often implicit) moral
emphases. Messer and Winokur’s (1980) critique of Wachtel’s (1977) work
offered perhaps the most eloquent articulation of this point. Second, if
one considers, as I do, psychotherapy to be the application of
psychological principles in the service of promoting human well-being,
then it follows that the disorganization of psychological science
seriously hampers, if not completely prevents, the development of a
coherent, general approach to psychotherapy (see Henriques & Sternberg,
2004). |

Depression:
Disease or Behavioral Shutdown Mechanism?
How depression is conceptualized is a major public health issue. The
prevailing model in psychiatry is that Major Depressive Disorder (MDD)
is a disease of the brain. However, recent developments in evolutionary
theory suggest that negative emotions and depression are likely evolved
strategies that facilitated behavioral solutions to problems in the
ancestral environment. A Behavioral Shutdown Model (BSM) of depression
is offered and explored. The model proposes that depressive reactions
are passive, avoidant behavioral strategies that have been fashioned by
evolution and are activated in response to situations that are
chronically dangerous, humiliating, or repeatedly result in failure to
achieve one’s goals. The BSM challenges the disease model because it
suggests that many instances of MDD do not involve biological
dysfunctions. Instead, this analysis suggests that Major Depression is
conceptually more akin to pain than to a disease. The BSM concept and
implications for health policy are discussed. |
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