Hiran Perera-W.A.

The Effects of Memory Conformity and the Cross-Race Effect in Eyewitness Testimony

Published in SSRN Electronic Journal

This study investigates the reliability of the eyewitness memory by analyzing the effects of Memory Conformity and Cross-Race Effect (CRE) among Asian participants. A controlled staged crime enactment (snatch theft) was initiated to assess both variables. Two experiments were conducted using a questionnaire with a total of 36 participants in a priv...

Obsessive Compulsive Disorder (OCD): A Psychological Character Analysis

Published in SSRN Electronic Journal

The purpose of this report is to develop a psychological character analysis based on a character depicted in the movie, As Good as It Gets. Melvin Udall, the leading character, suffers from Obsessive Compulsive Disorder (OCD), which is being analysed in this report from his observable behaviours. However, as the movie progress, the symptoms and the...

Concrete vs abstract words – what do you recall better? A study on dual coding theory

This study was conducted to investigate the theory of dual coding on remembering words, by testing whether concrete words are better recalled than abstract words. A total of 298 (from Asian ethnicity) participants took part in this study. The participants were divided into two groups, where each group was given a list of abstract or concrete words....

What Am I? The Effector or The Function

Published in Cognitive Neuroscience Departmental Poster

The long held belief is that the posterior parietal cortex (PPC) has topographically organized areas for effectors such as eyes, arms, and legs. However, convincing evidence suggests that the PPC primarily activates during the execution of a movement (such as a reach or grasp ). This leads to the hypothesis that the PPC specializes for function spe...