Essay - The Effect of Environment on Memory Recall: Light Therapy Experiment...

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Light therapy is becoming increasingly acknowledged to have an impact on various conditions known to mankind. For example, light therapy is ***** being used in assisting shift workers who have difficulty sleeping ***** reestablish their circadian rhythm following ***** work and swing shift work. Light therapy has been used and shown effective in treating what is commonly known as the 'winter blues' or depression that is related to cold weather and reduced natural light in the environment. This study examines light therapy in relation to the impact that this therapy h***** on t*****e individual mem*****y recall.


Because ***** therapy is so very effective in treatment of such a wide range ***** d*****eases and conditions, light also must play a role ***** the individuals' memory recall therefore, brigh*****r light will result in better ***** recall among a group of individuals as compared ***** a group of individuals who are *****ing events from memory in darkened or muted light.


The methodology in the study reported in ***** work is of a qu*****litative study conducted with the experimental and control *****. Qualitative analys***** is utilized in th***** particular ***** because the data provided by participants is descriptive in nature and therefore, the method of analys***** in this study is ********** in nature.

The forty participants in this ***** were split into two groups for the purposes ***** this experiment. The first group went outside for approximately twenty minutes ***** the second ***** remained inside a darkened classroom. ***** participants in each group were asked to write about a childhood memory. The participants writings concerning their ***** were reviewed by the researcher and an assistant ***** ***** responses to the subject the participants were ***** about were analyzed according ***** the details provided as the participants described their memory from childhood and ***** to the adjectives or descriptive words used which included that concerning:

*****) color;

2) smell;

3) texture;

*****) temperature; and 5) feelings.


There were 40 participants in ***** study all of whom were of ***** age eighteen years or older.


The w*****k of Bersani, et al (2008) entitled: "Pilot Study Of ***** Therapy And Neurocognitive Performance of Attention And Memory ***** Healthy Subjects" relates a study with the purpose ***** investigating wh*****her light therapy improved healthy *****s' neurocognitive performance of attention, memory, and language." (Bersani, et al, 2008) This study reports ***** ten subjects were treated ***** bright ***** for five days ***** a control ***** of ten ***** received no treatment. Assessment was conducted with a "b*****ttery of neurocognitive tests ***** included the following:

Strooper Colour Word Interference Test

***** Verb***** Fluency Test;

The Story Recall Test; and The Words Pairs ***** Test." (*****, et al, 2008)

Analysis in this study showed "improvements in cognitive scores ***** both groups, although on all the cognitive tests the mean difference scores between baseline ***** endpoint were significantly larger in the light-treated group. These preliminary *****s suggest


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