Sök:

Sökresultat:

86 Uppsatser om Evoked Potentials - Sida 2 av 6

Canine S- and M/L- cone electroretinograms

Full-field flash electroretinography is an electrodiagnostic method used to examine the function of retinal cells. Light stimulation of the eye elicits electrical potentials in the retina. By aid of a corneal electrode and a reference electrode close to the back of the eye, the electrical potentials can be recorded and presented as an electroretinogram (ERG). ERGs driven by mainly one type of cones can be used to examine the function of a single cone class. In human beings, studies have shown the cone class sensitive to light of short wavelengths, the S-cones, to be more vulnerable to acquired damage than the other cone classes (Daley et al., 1987; Gouras et al., 1993; Greenstein et al., 1989). Dogs have two cone classes, S-cones, and M/L-cones (most sensitive to medium to long wavelengths).

Lägesuppfattning vid en svensk stridsvagnspluton

Abstract: After their introduction, technical systems designed for Situational Awareness have changed the possibilities on the battlefield. Today, Swedish tanks use a system known as the TCCS. This system offers many advantages to a tank platoon, but does it also bring disadvantages? This essay examines pros and cons with the TCCS. To find these the author uses a Swedish Armed Forces analyze model in a comparative study.

Energioptimering av Hemsö fästning med förslag på energieffektivare systemlösningar

The report is a master thesis about energy efficient measures for an underground facility Hemsö fortress.Several proposals are evaluated economically.Statistics of the electricity used and measurements of several heat pumps are analyzed to find energysavings potentials.The results indicate that several units of a dehumidification system are responsible for over 70 % of theyearly electricity cost. The air that is being dehumidified by these units can otherwise cause damage ofculturally important interior designs.The proposal with highest profit suggests an alternative method for dehumidification. The cooler in theair handling units in Hemsö fortress have capacity to dehumidify the air. However complementary fansneed to be installed to circulate humid air towards the air handling units. The solution can be implementedin three different locations within the facility.

Hon är inte arg, hon är bara stressad! : En studie om hur lärare i förskolan upplever stress i sin arbetsmiljö

In January of 2014 a newly founded company held a press conference in central Stockholm. The purpose of the conference was to inform about Lexbase, the largest database on the Internet with legal information about the Swedish general public. The aim of this particular paper is to use news reports about Lexbase as material to identify the theses and their types presented in Swedish newspapers, and to examine the ideology constructed and presented by the theses in the said news reports. The questions asked in the paper are 1. What the distribution of different theses looks like and is there a type of thesis that more often invokes an implicit argumentation? 2.

Ovisshetens uttryck : En empirisk studie baserad på berättelser om ovisshet.

Background: Many people within the health care system experience uncertainty. Uncertainty can be described as a feeling, a condition or as a phenomenon. Uncertainty is often associated with stress and an emotional burden among patients. It?s important for the nurse to have knowledge about the expressions of uncertainty to get a higher appreciation for the patients? situation.

"Ett förskräckligt missbruk av yttrandefriheten" : en uppsats om underförståddhet i svensk nyhetsrapportering om Lexbase

In January of 2014 a newly founded company held a press conference in central Stockholm. The purpose of the conference was to inform about Lexbase, the largest database on the Internet with legal information about the Swedish general public. The aim of this particular paper is to use news reports about Lexbase as material to identify the theses and their types presented in Swedish newspapers, and to examine the ideology constructed and presented by the theses in the said news reports. The questions asked in the paper are 1. What the distribution of different theses looks like and is there a type of thesis that more often invokes an implicit argumentation? 2.

Mellan bildningsideal och besparingskrav : En studie av Uppsala universitetsbiblioteks styrdokument 1999-2013

The purpose of this thesis is to investigate how structural changes are depicted as well as formally brought about in the documents of rule and regulation of Uppsala University and Uppsala University Library the years 1999?2013. Beside the documents of rule and regulation, also documents that is commenting on (or in other ways relates to) these are investigated. The study is based both in organizational theory and modern rhetorical theory. The results show that the University to a certain extent gained an increased possibility to micromanage the library?s working routines during the time span covered and the study traces the consequences this had on the library organization and reactions it evoked among the leaders and representatives of the library staffThis raised a debate between representatives from the University library and its mother organization, the University, regarding at which level in the whole organization decisions regarding the library?s forms of funding and everyday praxis.

Naturvetenskap och Bilderböcker : Naturvetenskaplig Begreppsbildning och Grundläggande Naturvetenskapliga Matoder

Preschool has a long tradition of using picture books, both as entertainment and as a resource for educational activities. In science there are two main application areas. The first one is science concepts and the second is to teach basic science process skills. These skills, observing, communicating, inferring, classifying, measuring and predicting reflects the methods used by scientists. Picture books potential to put science concepts and activities that promote the use of science process skills in a meaningful context, recommends using picture books for this purpose.

Recovering common ground : landscape architecture as a tool for post-conflict recovery and spatial reconciliation in divided cities

The following chapters examine landscape architecture which engages in contested territories with an emphasis on the way in which landscape architecture can engage with the issues of divided cities or landscapes with similar social, cultural and physical properties. The project focuses specifically on the potential landscape architecture has for promoting or aiding in the reconciliation process of these areas, by examining the following questions. How can landscape architecture be used to benefit the peace building process of divided cities and landscapes? How can landscape architecture be used in the process of promoting spatial reconciliation in the case of Belfast? The investigation begins with a description of the background to the project in Chapter 1, which functions as a brief introduction to the urban phenomena that is divided cities. It then goes on to introduce the different methods and data employed in order to answer the research questions in Chapter 2. After introducing the problem and the methodology, a global overview of divided cities is performed in Chapter 3. This chapter is divided into two sections.

?Dissociation av igenkänningsminnet med ortogonala variationer av egenskaperna frekvens och celebritet hos personnamn?

Tidigare studier har gett stöd för att igenkänningsminnet understöds av minst två processer: erinring (recollection) och familjaritet. Detta testades i två beteendeexperiment, inom ett Remember/Know paradigm (experiment 1) och ett Ja/Nej paradigm där Receiver - Operating Characteristics (ROC) beräknades (2). I ett påföljande Event - related potentials (ERP) experiment undersöktes vidare distinktionen mellan minnesprocesserna under återvinning. Deltagarna studerade namn med två former av pre - experimentell familjaritet, namnfrekvens och celebritet, vilka kombinerades till ortogonala variationer av dimensionerna. Frekvens operationaliserades som antalet träffar i den nationella telefonkatalogen och celebritet som antalet träffar i massmediala webbsidor.

Systemarkitektur för presentation av geografiskinformation- Utredning av Informationssystem och produkter

Banverket Trafik has a responsibility to make sure that the companies who traffic the Swedish railroad have the correct information about the status of the railroad. One of Banverket Trafiks information systems (Opera) presents the train?s actual position on a map and provides the user with physical information about the trains. Due to increasing demands on the information systems, Banverket Trafik needs to update the present system architecture in order to manage the increasing demands on map graphics and map functions. This paper analysis the information system Opera on the basis of theory and support of methods and discuss problems and demands for Opera.

Amning - Attityder och svårigheter uttryckt på föräldraforum

Background: Women are recommended to breastfeed exclusively for six month; despite this the frequency of breastfeeding duration is decreasing in Sweden. Research indicates that there is an association between attitudes towards breastfeeding and perceived difficulties and initiation and duration of breastfeeding. The aim: to study women?s attitudes to breastfeeding and their perceived difficulties with breastfeeding expressed on parent oriented websites on the Internet. Method: Data consisting of users posts corresponding to the aim of the study were collected from two parent oriented websites on the Internet.

A Swedish national forest programme ? participation and international agreements

Sweden is in the initial phase of forming a national forest programme (nfp). The establishment of an nfp has been evoked by international policy developments and a national debate questioning Swedish forestry and forest policy. National forest programmes are participatory processes for the development and implementation of forest-related policies and international commitments. Hence, the aim of this master thesis is to assess the stakeholders? acceptance of participation and integration of international issues within the Swedish national forest programme.

Lanczos potentialer i kosmologiska rumtider

We derive the equation linking the Weyl tensor with its Lanczos potential, called the Weyl-Lanczos equation, in 1+3 covariant formalism for perfect fluid Bianchi type I spacetime and find an explicit expression for a Lanczos potential of the Weyl tensor in these spacetimes. To achieve this, we first need to derive the covariant decomposition of the Lanczos potential in this formalism. We also study an example by Novello and Velloso and derive their Lanczos potential in shear-free, irrotational perfect fluid spacetimes from a particular ansatz in 1+3 covariant formalism. The existence of the Lanczos potential is in some ways analogous to the vector potential in electromagnetic theory. Therefore, we also derive the electromagnetic potential equation in 1+3 covariant formalism for a general spacetime.

Minnen i marknadsföring: Nostalgia in advertising, communication effects, relationships and critical periods for establishing emotional bonds to collective events

Many perceive a boom in nostalgia and what is retro, especially within the marketing discipline. This thesis studies how nostalgia functions in the advertising context and aims to shed light on which effects there are from nostalgia evoking communication, what connections there are with other important factors as well as aspires to develop the understanding of the underlying psychological aspects and the emotional bonds to events (as nostalgia evoking stimuli in the thesis), which pave the ground for nostalgic emotions. Point of origin has been classical measures of communication effects and models of connections and causality and to these important factors have been added. Results show clear connections and correlations between nostalgia and positive communication effects, even with control for other factors that may interfere. However, the results show that some factors have moderating effects that should be important to take into consideration, namely how well the brand and the event in the ad are perceived to fit the advertising context.

<- Föregående sida 2 Nästa sida ->