Psychophysics

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  • Constant Stimuli Experiment

    To begin the Constant Stimuli experiment, the lab recruited three subjects including two undergraduate students from the UCI Psychology department subject pool and the author, to finish the tests. All subjects were randomly distributed for gender but most of them were aged from 19 to 21. The subjects, included the author, can be considered naïve because none of them had done similar experiments before. All subjects were informed by the researcher about the purpose of the experiment and they held positive attitudes to help completing the study. There were no major deficiencies among the subjects except some mild flaws (ex. Myopia) that would not affect the result so can be ignored. Procedures The experiment was consisted of four linear comparison blocks. The black lines came as four different length groups (1 inch, 2 inches, 3 inches and 4 inches) and the purpose was to find out whether the size of the stimulus would affect the subjects’ judgement of difference limen. Each block contained forty pairs of black linear segments with different length flashing on the screen swiftly. Each task showed two line segments in sequence and asked the subjects to pick the line they saw as the longer one relatively to another. There were forty questions to compete and the subjects would switch to another length group once they have finished the previous. After each question, the screen would inform the subjects whether they chose the correct option and a quantitative measurement of…

    Words: 1207 - Pages: 5
  • Example Of Cognitive Research Paper

    Physiology spoke about the sophisticated process that take place in the brain and body. It’s studied how information is transferred from one point of the brain to another. Over a period of time Physiology evolved to psychophysics. Psychophysics is subject to study the relation between the physical stimuli that is presented and the way it’s taken up and perceived and understood by the brain. One of most influential person in this field was Hermann Von Helmholtz. He worked on visual perception…

    Words: 1494 - Pages: 6
  • Naturalism In Psychology

    Jean-Marc Gaspard Itard (1775-1838) made a significant contribution to this kind of reform when he taught a mentally deficient abandoned boy how to learn basic social skills. Subsequently, Edouard Seguin (1812-1880) developed a program to educate those with mental deficiencies. Such reform ushered in a new era in psychology; the formal founding of psychology had begun. Formal founding of psychology Formal psychology is characterized by several developments; psychophysics, functionalism,…

    Words: 950 - Pages: 4
  • Psychology As A Scientific Study

    becoming a recognized science in the nineteenth and early twentieth centuries was the introduction of quantitative measures for mental processes (Michell, 2006). Most prominent for his influence in this introduction, is Gustav Fechner. In his two-volume text, Elements of Psychophysics [Elelmente der Psychophysik], Fechner demonstrated that psychological phenomena could be studied experimentally and quantitatively (Robinson, 2010). Robinson (2010) states that Fechner went beyond indications in…

    Words: 2213 - Pages: 9
  • Perception In Film

    perception is the result of recalling, learning from previous experiences, expecting sensory reaction, and selecting among the myriad of external data available (Williams & Baer, 1994, p.xv). Although human perception relies on a complex set of processes coursed through the nervous system, as previously mentioned, and it can be readily observed that the actual activity does not require noticeable effort since it is done in an instinctual or subconscious manner. With the intention of…

    Words: 1816 - Pages: 8
  • North By Northwest Analysis

    Scientists have been interested in the difference of people’s sensation, perception, and perspective since the beginning of the 18th century. Philosopher Gustav Fechner developed an approach to study sensation and perception, called psychophysics. Psychophysics was measured by the strength of the stimulus and the observer’s sensitivity to the stimulus. Although people might be exposed to the same stimuli, they sense and perceive differently which changes their perspective. If two people are…

    Words: 2088 - Pages: 9
  • Psychology Independent Discipline

    became an independent discipline. Psychology is the scientific study of the human mind and its functions, especially those affecting behavior in a given context. Most identity with the date 1879 when German psychologist Wilhelm Wundt opened the first laboratory exclusive to the practice of psychology. However, this date is still disregarded as the beginning of psychology. Despite the major impact of the laboratory on the science. Persons' concerns are based on the influences to science prior to…

    Words: 792 - Pages: 4
  • Compare And Contrast Wundt And Ebbinghaus

    psychology that Wundt, Ebbinghaus, and Kulpe believed she be studied. In this short paper the scientist and their ideas and believes on theories will be discussed to further understand the learning and memory process. William Wundt helped to build psychology as its own scientific domain. He was not the first scientist to look at psychology as a modern form of psychology however he contributed by pushing for others to set it as an important scientific discipline. By investigating the theory of…

    Words: 814 - Pages: 4
  • Hermann Ebbinghaus Played In Experimental Psychology

    Gorfein, 1987). According to the American Journal of Psychology, he attended Barmen’s gymnasium until the age of seventeen, when he went to the University of Bonn. His collegiate education was later continued in Halle and Berlin. Ebbinghaus started with interests in history and philology, but these gradually shifted to philosophy. Before he could finish his degree, however, he took a hiatus from his studies to join the Prussian Army at the onset of the Franco-Prussian War. He returned to his…

    Words: 2372 - Pages: 10
  • Descartes Cognitive Body

    monads of energy, where hierarchical arrangements of them could grant varying levels of sentience. The rational monads of the human mind, with the capacity for perception, acted in tandem with the simple and sentient monads of the body, but there was no interaction between them, they merely moved in parallel trajectories in accordance to pre-established harmony by God, like two clocks ticking away independently at the same pace. His solution to the mind-body problem was this psychophysical…

    Words: 1556 - Pages: 6
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