Avian color vision and coloration : multidisciplinary evolutionary biology

A fundamental issue in biology is explaining the diversity of coloration found in nature. Birds provide some of the best-studied examples of the evolution and causes of color variation and some of the most arresting color displays in the natural world. They possess perhaps the most richly endowed visual system of any vertebrate, including UV-A sensitivity and tetrachromatic color vision over the 300-700-nm waveband. Birds provide model systems for the multidisciplinary study of animal coloration and color vision. Recent advances in understanding avian coloration and color vision are due to recognition that birds see colors in a different way than humans do and to the ready availability of small spectrometers. We summarize the state of the current field, recent trends, and likely future directions.

Vision and rationalisation : a study of the school psychology profession within the Victorian Government school system

Since its origins in the 19th century, modern schooling has been a continuously contested domain within nation states. Underlying this contestation dynamic lie competing value systems about the social purpose of education; competing values around which are generated different discourses, and which in turn generate inherently contradictory social and organisational structures. As reflected in other areas of society, the 20th century expansion of state-provided schooling has essentially developed around variations of a bureaucratic model Thus, organisational cultures based around bureaucratic values have come to permeate the enterprise of schooling on a world wide scale. Concomitantly, the value for education to be fundamentally associated with human emancipation from psychological, social, political, or economic states of being, persists as a recurring theme in modern schooling. Premised on these understandings, the thesis argues that the development of the practices of school psychology as a profession, like education in general, and special education in particular, has similarly been influenced by tensions between different and competing constellations of values. It is argued that throughout the 20th century, the pervasiveness of formal schooling systems suggest that schooling may be understood as a modernist cultural archetype. As a socially constructed reality, the phenomenon of schooling has become unproblematic the apparent cultural inevitability of formal schooling in the modern era can also be understood as a premise of a systemised way of looking at the world; that of bureaucratic consciousness. Dialectically, bureaucratic consciousness persists in influencing every manifestation of schooling; structurally through its organisational forms, and epistemologically through the institutionalization of teaching and learning. A particular illustration of the dialectical relationship between bureaucratic consciousness and the social forms and social practices of schooling is the school psychology profession which has developed as a part of school systems. The thesis argues that the epistemic archeology of psychology as a knowledge discipline can be traced through an earlier European intellectual and cultural tradition, but in the 20th century, has come to develop a symbiotic yet contradictory relationship with compulsory schooling in the modern nation state. The research study employs historical and fieldwork methods in a study of the development of the school psychology services within the Victorian Education Department, particularly between 1947 and 1987. The thesis also draws upon several usually distinct literatures; the philosophical and theoretical discourse of modernity and post modernity, the history and development of modern schooling, the ethnography of schooling, the international comparative literature on the school psychology profession, and the literature on action research in education practice and curriculum development, As a case study of Victorian school psychology, the research eschews a quantitative statistical approach in favour of qualitative investigatory genres, which have in turn been guided by the values of action research in education, as well as those of critical theory. The important focus of the thesis is its investigation of some aspects of the development and transformations within the Victorian state education bureaucracy, and the dialectical relationship that has persisted between the evolution of change processes and the shifting conceptions of school psychology practices in the 20th century. A history of the organisational development of school psychology services in Victoria constitutes an important part of the thesis. This is complemented by specific illustrations of how some school psychologists have been influenced by and have contributed towards paradigm shifts within the profession, shifts relating to how the changing nature of their work practices have come to be understood and valued by teachers and by school administrators. The work of J. R. MacLeod from the 1950s is noted in this regard. Particular attention is also drawn to the dialectical relationship between bureaucratic consciousness and school psychology's professional orientation in the 1980s. As a means of providing field data to explore this relationship, ethnographic case studies with two school communities are included as part of the fieldwork of the thesis, and are based upon the author's own work in the mid 1980s. These case studies provide a basis for conceptually refraining the school psychologist's professional experience within schooling systems, and an opportunity to examine how competing value systems impact upon the work of the school psychologist. The thesis concludes with some observations about bureaucratic transformations within educational organisations, and about the future relationship of the school psychology profession with schooling systems, as framed by the theoretical parameters of the modernist /post modernist debate. The issue of competing value systems within the administration of public education is re-examined as is the value of promoting human empowerment in the ongoing work of the school psychologist. Finally, some scenario building with reference to the future of school psychology in Victoria in is undertaken.

Evolutionary relationships among bluetongue and related orbiviruses

Polymerase chain reaction (PCR) sequencing of specific viral gene segments was used to investigate the phylogenetic relationships among the orbiviruses. Sequence comparisons of the bluetongue virus (BTV) RNA3 from different regions of the world (North America, South Africa, India, Indonesian, Malaysia, Australia and the Caribbean region) showed that geographic separation had resulted in significant divergence, consistent with the evolution of distinct viral populations. There were at least 3 topotypes (Gould, 1987); the Australasian, African - American and another topotype represented by BTV 15 isolated in Australia in 1986. The topotypes of BTV had RNA3 nucleotide sequences that differed by approximately 20 per cent. Analysis of BTV-specific gene segments from animal and insect specimens showed that bluetongue viruses had entered northern Australia from South East Asia, possibly by wind-borne vectors. Nucleotide sequence comparisons were used to show the close genetic relationship between BTV 2 (Ona-A strain) from Florida and BTV 12 from Jamaica, and to investigate the reassortment of BTV genome segments in nature. The mutation rates of the BTV RNA2 and RNA3 segments were estimated to be of the order of 10(-4) nucleotide changes/site/year, similar in magnitude to that reported for other RNA viruses.

Exploratory surgery of the female psyche

The thesis explores the visual narrative concerning a journey of empowerment for women. To enable the journey to advance the inquiry is directed into two areas. The first area is female gender, which is argued to be socially constructed and implicit in the marginalisation of women in western society. The second area is ‘feminine authority’, which is gained by developing an understanding and acceptance of the characteristics which have historically been considered as belonging to the feminine. Granting these characteristics agency would recognise their authority and assist in the elevation of the female to a position of equality in western society. Beginning from a feminist position, the research supported the belief that the female is marginalised in western society. It also confirmed the notion that empowerment and authority can be attained by women if they actively pursue the following; • Explore their own psychology beyond the existing socially constructed gender roles. • Develop an understanding of their feminine self by applying Jung's theories on individuation and archetypes. • Expose the underlying patriarchal influence in western epistemology and science by challenging existing deeply held cultural and scientific beliefs and by actively contributing as feminists to the areas of epistemology and science. Archetypal myths of the ‘feminine’ have developed from an androcentric position. They enforce and perpetuate gender imbalance which contributes to the disenfranchisement of women in western society, ‘Individuation’ is a process in which a person explores aspects of themselves to bring forth parts of their unconscious into their conscious mind in an attempt to gain a deeper understanding of themselves. As a consequence the consciousness develops closer links with archetypal memories which assists the exploration. The ‘true feminine’ is the feminine not restricted or defined by the dominant androcentric view. Knowledge of the feminine empowers women to address the marginalisation of the female in western society and assists in the process of gaining female authority. This enquiry also investigated the four stages of female psychological development with regard to patriarchal influences. Of particular importance is the second stage of psychological development where the female identifies with historically perceived inferior characteristics of the female. This is when she rejects her connections with the primacy of female power and her deep connections with nature which were inherited from archaic times. It is at this stage that she absorbs the myths associated with western patriarchal society which effectively disempower her. Western epistemology, with its emphasis on ‘objective’ investigation and empiricism contributes to the support for and promotion of ‘inferior’ female gender. This type of investigation is brought into question when areas of research into primates and human evolutionary theory is shown to develop from an androcentric view. Western knowledge has associations with power and justice and power is commonly associated with dominance. Regard for ‘truth’ and ‘absolute’ can be viewed as key elements in the support for knowledge and its associations with power. Knowledge has historically maintained suppression of individual experience which promotes a universalised account. This suppression of beliefs other than the dominant authority maintains the existing dominant social structure. Foucault's view of the genderised or inscribed body alerts us to areas where dominance, resistance and power play a part in maximising masculine power and control. Gender becomes an instrument of power within the existing patriarchal structure. Gender, knowledge and power are identified as areas obstructing female empowerment. Part 3 of this exegesis examines the imagery which embodies the visual narrative. Particularly, the harlequin image, its historical background and connections with ancient mythology including reference to Jungian psychology. The harlequin image is developed sequentially in the earlier black and white drawings on paper. These drawings contained a female figure which was often placed in juxtaposition with a Venus or goddess image, reference was also made to ‘eve’ and the ‘siren’. These elements provided the framework which enabled the harlequin image to emerge and evolve. The narrative developed with an understanding of the ‘feminine’ aspects of the psyche which resulted in the harlequin acquiring the elevated authority of a goddess. The Harlequin evolved from my need for symbolic representation of the female psyche. It represents contradiction and dualism. It is a composition of opposites, reflects masculine and feminine traits, the dark and light of the conscious and unconscious mind, it houses both comic and sinister elements, is a trickster and menace. The costume, colours and patterns are expressive elements conducive to fragmentation and layering within the composition of the paintings. Jung examined the harlequin in Picasso's paintings. He concluded that as Picasso drew on his inner experiences the harlequin became important as a symbol; it was a pictorial representation from the unconscious psyche. It travelled freely from the conscious to the unconscious and represented the masculine and feminine, chthonian and apollonian. The final painting in the series, a triptych, completes the narrative and stands alone as a salutatory work. It unites the series by combining existing compositional devices and technique while making reference to imagery from previous works, ‘The Three Graces Victorious’, expresses the authority of the feminine. It completes a victorious stage of a journey where the harlequin is empowered by archaic memories and knowledge of the psyche. The feminine is hailed, elevated and venerated. Other elements which assist in expressing the visual narrative are; colour, technique and influence. Colour is explored and its use as an emotive devise in expressionism. Paul Klee's writing on the use of colour and it's symbolic meaning and Julia Kristeva's investigation on colour from a psychoanalytic and semiotic view are also discussed. To indicate influences and connections within my oeuvre, reference is also made to the following: Jasper Johns' for his use of imagery in his ‘Four Seasons’ series with it's reference to a journey of maturation and Louise Bourgeois' work which deals with issues of gender, memories and past journeys. Although ‘The Three Graces Victorious’; the concluding painting for the investigation is celebratory and represents a finality to the thesis, it points to further areas that impede feminine development and need future examination. Reference is made to a continuation of the exploratory journey by plotting the Harlequin/Goddesses future directions. Although the Harlequin/Goddess is empowered with newly acquired authority, her future journey does not need to be bound by mathematics or limited by rationality. She does not require power to dominate or gender structures to subjugate, but requires limitless boundaries and contexts. The Harlequin/Goddess's future journey is not fixed.

Adventures of punctuated equilibria : a struggle for authority in the evolutionary sciences

The theory of ‘punctuated equilibria’ was formulated by two paleontologists, Niles Eldredge and Stephen Gould, in 1972 and has been the focus of considerable controversy within the evolutionary sciences ever since. The primary intentions of this thesis are to relate the history of punctuated equilibria and to examine how it has affected evolutionary science. Several modes of analysis have been used to illuminate the history: The sociological perspectives of Pierre Bourdieu and Bruno Latour (who see scientific debate as a ‘struggle for authority’); Rhetorical analysis of some of the key documents; Communication with practising scientists via questionnaires and correspondence; Citation Analysis. Chapter 1 gives a short summary of the history and introduces the methods and socio-philosophical perspectives used to illuminate the history. Chapters 3 and 4 examine the rhetorical process by which Eldredge and Gould constructed the ‘punctuationist revolution’. Chapters 2, 3, 5 and 6 relate the history of punctuated equilibria.

Health psychology

Provides clarification of the professional practice of health psychologists within the broader discipline of psychology and frames this work within the definition of health psychology provided by Matarazzo (1982) who describes four main goals of health psychology. Supported by case studies.

The animation of psychology

This thesis investigates 'Frankenstein', in the light of Cultural Poetic practices and modern psychological theories, illustrating the pivotal role it played in the transition of developmental psychology from philosophy to science. Drawing on Locke, Rousseau and Godwin, Shelley presents the monster as an exaggerated case study of the danger of ineffective nurturing.