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631.
Hameroff SR 《Cognitive Science》2007,31(6):1035-1045
In their article, Is the Brain a Quantum Computer,? Litt, Eliasmith, Kroon, Weinstein, and Thagard (2006) criticize the Penrose–Hameroff “Orch OR” quantum computational model of consciousness, arguing instead for neurocomputation as an explanation for mental phenomena. Here I clarify and defend Orch OR, show how Orch OR and neurocomputation are compatible, and question whether neurocomputation alone can physiologically account for coherent gamma synchrony EEG, a candidate for the neural correlate of consciousness. Orch OR is based on quantum computation in microtubules within dendrites in cortex and other regions linked by dendritic–dendritic gap junctions (“dendritic webs”) acting as laterally connected input layers of the brain's neurocomputational architecture. Within dendritic webs, consciousness is proposed to occur as gamma EEG‐synchronized sequences of discrete quantum computational events acting in integration phases of neurocomputational “integrate‐and‐fire” cycles. Orch OR is a viable approach toward understanding how the brain produces consciousness. 相似文献
632.
633.
The socioemotional functioning of schizophrenic and schizotypic individuals is marked by withdrawal, poor organization, and limited emotional displays. Such behavioral tendencies and lack of social enjoyment in schizotypy could be linked to the relative situational demands or role ambiguity inherent in specific social activities. To determine whether high-schizotypy individuals prefer more clearly role-defined social activities (e.g., visiting relatives) to more ambiguous, novel situations (e.g., going alone to a party), the authors gathered reports from 52 high-schizotypy and 60 low-schizotypy individuals on their enjoyment and frequency of engaging in social situations varying in relative situational demand. Parallel reports were obtained from knowledgeable others. Group x Situational Demand interactions revealed the hypothesized pattern of reduced frequency and enjoyment ratings for ambiguous or novel situations by the high-schizotypy participants in both self and others' reports. Groups were more comparable in their reported frequency and enjoyment of less ambiguous situations. Results suggest the importance of situational demands in the socioemotional experience and behavioral withdrawal in schizotypy. 相似文献
634.
Watson D O'Hara MW Simms LJ Kotov R Chmielewski M McDade-Montez EA Gamez W Stuart S 《心理评价》2007,19(3):253-268
The authors describe a new self-report instrument, the Inventory of Depression and Anxiety Symptoms (IDAS), which was designed to assess specific symptom dimensions of major depression and related anxiety disorders. They created the IDAS by conducting principal factor analyses in 3 large samples (college students, psychiatric patients, community adults); the authors also examined the robustness of its psychometric properties in 5 additional samples (high school students, college students, young adults, postpartum women, psychiatric patients) who were not involved in the scale development process. The IDAS contains 10 specific symptom scales: Suicidality, Lassitude, Insomnia, Appetite Loss, Appetite Gain, Ill Temper, Well-Being, Panic, Social Anxiety, and Traumatic Intrusions. It also includes 2 broader scales: General Depression (which contains items overlapping with several other IDAS scales) and Dysphoria (which does not). The scales (a) are internally consistent, (b) capture the target dimensions well, and (c) define a single underlying factor. They show strong short-term stability and display excellent convergent validity and good discriminant validity in relation to other self-report and interview-based measures of depression and anxiety. 相似文献
635.
McAllister M Payne K Nicholls S MacLeod R Donnai D Davies LM 《Journal of genetic counseling》2007,16(1):71-83
Outcome measurement in clinical genetics is challenging. Outcome attributes used currently have been developed by service
providers or adapted from measures used in other areas of healthcare. Many of the ‘patients’ in clinical genetics are healthy
but at risk of developing or transmitting a condition. Usually no pharmacological or surgical treatment is offered, although
information-giving is an objective of most consultations. We argue that services should be evaluated on the basis of how well
they alleviate the effects of disease, from a patient perspective. This paper describes a qualitative study using seven focus
groups with health professionals, patients and patient representatives. Social and emotional effects of genetics diseases
were identified. Some differences emerged between the effects identified by health professionals and those identified by patients.
These findings will be used to inform the evaluation of existing outcome measures and develop robust measures of outcome for
clinical genetics services. 相似文献
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637.
This paper explores a novel philosophy of ethical care in the face of burgeoning biomedical technologies. I respond to a serious
challenge facing traditional bioethics with its roots in analytic philosophy. The hallmarks of these traditional approaches
are reason and autonomy, founded on a belief in the liberal humanist subject. In recent years, however, there have been mounting
challenges to this view of human subjectivity, emerging from poststructuralist critiques, such as Michel Foucault's, but increasingly
also as a result of advances in biotechnology itself. In the face of these developments, I argue that the theoretical relevance
and practical application of mainstream bioethics is increasingly under strain. Traditionalists will undoubtedly resist. Together,
professional philosopher-bioethicists, public health policymakers, and the global commercial healthcare industry tend to respond
conservatively by shoring up the liberal humanist subject as the foundation for medical ethics and consumer decision-making,
appealing to the familiar tropes of reason, autonomy, and freedom. 相似文献
638.
639.
Stuart Kauffman 《Theology & Science》2017,15(3):235-248
Newton became a death knell for a theistic God and for a non-epiphenominal mind. The culprit is the deterministic causal closure of classical physics. Two major revolutions are taking us beyond this closure. The first is Quantum Mechanics, which is non-deterministic. The second revolution may just be happening. The emergence and evolution of life in our or any biosphere is governed by no law at all. This freedom suggests one sense of God as the natural creativity of the Universe. 相似文献
640.