the behavioral ecology of attention

... by the drug at its final site of action The third type refers to the way in which the subject using the drug changes his behavior to adapt to the effects which the drug repeatedly produces Of the ... It is not known whether the metabolism of carbon monoxide plays a physiological role in the maintenance of the smoking habit Tar Some examples of the effects of induction of microsomal enzymes ... responsible for the establishment and maintenance of the habit In the past 15 years the public has been exposed to ample warnings about the dangers of smoking; nonetheless the incidence of smoking...

Ngày tải lên: 22/03/2014, 14:20

... each other and lead to a system that is "stably unstable." As such, the goals of therapy are to modify the level of behavioral expression by either dampening or amplifying the effects of genetic ... heritability THE EFFECTS OF GENES AND THE ENVIRONMENT 23 cated in the twins-reared-together design Here, the MZ correlation is attributable to the fact that both members of each pair share 100% of their ... because they reflect the conditions and values of the DZ-Model Based MZ-Model Based hypothesized model The next step is to compare the model-based estimates of the MZ and DZ correlations to the actual...

Ngày tải lên: 08/04/2014, 13:09

... characterize each kind of cheese Such compounds are the result of the diversity of the microrganisms and their activities during cheese ripening Microbial ecology of cheese, as well as of other fermented ... communities These two techniques essentially consist of the amplification of the genes encoding the 16S rRNA from the matrix containing different bacterial populations, followed by the separation of the ... More information about the identity of community members could be obtained by sequencing of PCR-DGGE/PCRTGGE bands in the profiles and further comparison of the sequences with the available databases...

Ngày tải lên: 12/06/2014, 11:36

... biofilm EPS is the major component of the biofilm matrix and comprises on average 85% of the total organic carbon of the biofilm Although the physical and chemical properties of the EPS of different ... cleaned, the headloss of the filter is constantly measured piezometrically Briefly, referring to Figure 2.5 when the sum of the height of the filtered water (H2) subtracted from the height of the column ... Microbial Ecology The term ecology comes from the Greek oekologie meaning the study of the household of nature” and was first coined in 1866 by the German scientist Ernst Haeckel to explain the interactions...

Ngày tải lên: 22/12/2014, 18:23

... on the use of these models to think generally about the transition from foraging to farming, while the papers collected here expand on these efforts by taking up the theory in the context of ... in and of itself satisfactorily explains the origins of agriculture; each was probably an important element of the process, whatever the strength of its causal role One of the virtues of HBE ... elements of these approaches Thus, for reasons of parsimony as well as theory, those working in the HBE tradition are skeptical of the adequacy of explanations couched at the level of global...

Ngày tải lên: 11/06/2014, 13:54

... Furthermore, the group coordinated a five-member disaster response team that consisted of officials from both USAID and the Of ce of Federal Disaster Assistance The team evaluated the extent of the ... are the consequences of the hazard, but clearly not of the singular action of the hazard Hazards become disasters only in the context of a specific society with particular vulnerabilities and the ... hazard The term disaster refers to the consequences of the hazard, and, particularly to the intersection of the hazard with the underlying vulnerabilities and capacities that shape the health of...

Ngày tải lên: 14/03/2014, 21:20

... 1995) The problem of relating the two scales is complicated by the fact that the base of the Tommotian was taken as the base of the Cambrian at 570 Ma in Harland et al 1990 Since then, the Nemakit-Daldynian ... select the “best” study from several on the same unit have included the number of sites, the scatter of the data, the magnetic tests, and the pole position relative to other poles of the same ... revision to the age of the base of the Cambrian period and other early Paleozoic stratigraphic boundaries; and, of course, the great interest in the transition from the late Precambrian to the Cambrian...

Ngày tải lên: 15/03/2014, 18:20

... secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public The Institute acts under the responsibility given to the ... because of the nature of the content, the lack of faculty members in these disciplines, the lower status accorded to these disciplines by some in the medical school community, the lack of departmental ... example of such a model) A number of demographic factors in the United States also underscore the need for more attention to the behavioral and social components of health First, the proportion of the...

Ngày tải lên: 22/03/2014, 22:20

Ngày tải lên: 23/03/2014, 01:20

... Use of local sources of energy The shorter the distance between the power station and the user, the smaller the amount of energy lost in the network/distribution line Over larger distances the ... for others Another important aspect to address is to reduce the loss of resources during production, the construction process and throughout the life of the completed building The re-use of materials ... taken care of at their original level of quality, rather than downcycled Reduction of the use of raw materials in the production process Increased exploitation of smaller sources of raw materials...

Ngày tải lên: 29/04/2014, 15:45

... required the participant to listen to a computer presented word ("high” or “low”) that was presented in either a high or low pitch The objective of the subject was to always declare the pitch of the ... stimulus was presented at the beginning of the analyzed motion data of one complete stride Subjects were informed about the impending task at the beginning of each block of trials 2.3 Experimental ... days after the injury The severity of the injury was categorized by the attending certified athletic trainers and/or medical doctors in accordance with the definitions originated by the American...

Ngày tải lên: 19/06/2014, 08:20

... by the speed of the treadmill, and by then adding the (positive or negative) change in the x-direction of the marker at the moment of heel strike relative to the position of the marker at the ... the effects of dual-tasking and not to the order of presentation of the conditions The main effect of group on stride length was not significant but inspection of the data revealed that one of ... examining the effect of a secondary cognitive task on the control of locomotion The dual-task methodology has repeatedly been applied to clarify the role of attentional factors in the control of healthy...

Ngày tải lên: 19/06/2014, 08:20

... are included, and there are data on biomarkers COMMUNITY The theme of community considers the biotas in their ecologic context, from their diversification to the development of planktonic, level-bottom, ... aspects of their ecology are discussed within analyses of particular communities Not all the views expressed in this book are in agreement, nor should they be We hope that comparison of the facts, ... developments in the adjacent Neoproterozoic and Ordovician time intervals ENVIRONMENT The theme of the environment traces plate tectonic developments, paleogeographic changes, the history of transgressive-regressive...

Ngày tải lên: 06/07/2014, 21:20

... 1995) The problem of relating the two scales is complicated by the fact that the base of the Tommotian was taken as the base of the Cambrian at 570 Ma in Harland et al 1990 Since then, the Nemakit-Daldynian ... select the “best” study from several on the same unit have included the number of sites, the scatter of the data, the magnetic tests, and the pole position relative to other poles of the same ... revision to the age of the base of the Cambrian period and other early Paleozoic stratigraphic boundaries; and, of course, the great interest in the transition from the late Precambrian to the Cambrian...

Ngày tải lên: 06/07/2014, 21:20

... Certainly, there are problems, such as the position of some blocks or the evolution of the Innuitian Belt in the Canadian Arctic, which still await solution There is no general agreement on the paleogeographic ... Shan, northern Pamir) structures, the formation of which was closely related to numerous Precambrian microcontinents The appearance of the belt was a result of the tectonic development of several ... on the Gondwana margins facing the Panthalassa Ocean They include the volcanic arcs of North China, southeastern Australia, Antarctica, the Cordillera of Chile and Argentina, and possibly the...

Ngày tải lên: 06/07/2014, 21:20

... crystalline rocks of the craton were uplifted and eroded, presumably as bulging of the crust and transgression of the platform proceeded Comparison of the 87Sr/ 86Sr record of the Ediacarian-Cambrian ... thermal relaxation of the crust following the initial rifting of Rodinia in the Riphean, followed either by renewed phases of rifting (Laurentia, Baltica) or by the development of foreland basins ... in the stratigraphic column, the distribution of these grazing traces has been related to the incidence of event sands, such as turbidites, which cast and preserve the delicate top tier of the...

Ngày tải lên: 06/07/2014, 21:20

... the Cambrian, the isotopic record suggests the unique nature of the period On the basis of strontium and carbon isotopic studies, the tectonism of Rodinia, especially that related to the Brasiliano–Pan-African ... their criticism and comments, which greatly improved the work The English was checked by G Häkli This work was supported by the Geological Survey of Finland and the Department of Geology of the ... zone the Varangerian-Sinian Glacial Zone, on the basis of the ages of the glacial deposits, and suggested that the zone appears to continue to Mato Grosso, Argentina, probably to Uruguay, southern...

Ngày tải lên: 06/07/2014, 21:20

... represents the base of the Uratanna sequence in the Arrowie Basin In the Stansbury Basin, depending on location, the base of the Mount Terrible Formation is in the transgressive systems tract of the ... remains for subaerial erosion at the top of sequence in the northern part of the Thorntonia region, at the top of the Thorntonia Limestone At the Ardmore Inlier in the Burke River Structural Belt, ... fossil–bearing sandstones of the upper Uratanna Formation or at the base of the Parachilna Formation in the Arrowie Basin (Mount and McDonald 1992) The boundary is placed at the base of the Wangkonda Formation...

Ngày tải lên: 06/07/2014, 21:20

... DISCUSSION The Cambrian represents a critical point in the development of nearly all biofabrics Near the base of the Cambrian, there was a significant shift in the nature of sedimentary fabrics From then ... from bioturbation and the production of shell beds are a fruitful area for future research The effects of the initiation of vertical bioturbation and the development of the infaunal habitat, ... distributions that are tied directly to the stratigraphic distribution of the organism However, commonly, the range of the biofabric will be less than that of the actual organism For example, articulate...

Ngày tải lên: 06/07/2014, 21:20

... Cambrian interval (from the base of the proavus Zone to the base of the lindstromi Zone) The global correlation of these stratigraphic units is given by Zhuravlev (1995) for the Early Cambrian and ... Together these fluctuations may serve as an approximation to the structure of the entire biota, which is expressed in the specialization and degree of competitive interaction The values of these ... extinction The strength of an external “kick” (extrinsic factor) needed for the destruction of a system is indicative of the stability of the system (Robertson 1993) Even if fluctuations of abiotic...

Ngày tải lên: 06/07/2014, 21:20