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Heterothallic species have sexes that reside in different individuals. The term is applied particularly to distinguish heterothallic fungi , which require two compatible partners to produce sexual spores, from homothallic ones, which are capable of sexual reproduction from a single organism.
In yeast, heterothallic cells have mating types a and α. An experienced mother cell (one that has divided at least once) will switch mating type every cell division cycle because of the HO allele. Sexual reproduction commonly occurs in two fundamentally different ways in fungi.
Homothety: Example with k > 0. k = 1 corresponds to identity (no point is moved); k > 1 an enlargement; k < 1 a reduction Example with k < 0. k = −1 corresponds to a point reflection at point S Homothety of a pyramid
The model of hierarchical complexity (MHC) is a formal theory and a mathematical psychology framework for scoring how complex a behavior is. [4] Developed by Michael Lamport Commons and colleagues, [3] it quantifies the order of hierarchical complexity of a task based on mathematical principles of how the information is organized, [5] in terms of information science.
Relational frame theory (RFT) is a psychological theory of human language, cognition, and behaviour.It was developed originally by Steven C. Hayes of University of Nevada, Reno [1] and has been extended in research, notably by Dermot Barnes-Holmes and colleagues of Ghent University.
Identification is a psychological process whereby the individual assimilates an aspect, property, or attribute of the other and is transformed wholly or partially by the model that other provides.
Reality testing is the psychotherapeutic function by which the objective or real world and one's relationship to it are reflected on and evaluated by the observer. This process of distinguishing the internal world of thoughts and feelings from the external world is a technique commonly used in psychoanalysis and behavior therapy, and was originally devised by Sigmund Freud.
The Psychopathology of Everyday Life is one of the most important books in psychology. It was written by Freud in 1901 and it laid the basis for the theory of psychoanalysis . The book contains twelve chapters on forgetting things such as names, childhood memories, mistakes, clumsiness, slips of the tongue, and determinism of the unconscious.