Cognition and Perception Commons^™

Examining Measures Of Eeg As Biomarkers For Autism Spectrum Disorder, Shuhan Liang

Undergraduate Honors Theses

A central aim of this study was to determine whether there are consistent differences in a variety of ERPs and/or resting state measures of EEG between children diagnosed with ASD and psychiatric controls. Additionally, we aimed to determine whether any of those differences would generalize to the neural correlates of continuous measures of autistic tendencies in the general population. We classified EEG data into three categories: basic sensory responses, cognitive/perceptual ERPs, and resting state measures. Our study indicated that basic sensory responses and cognitive/perceptual event-related potentials (ERPs) did not differentiate autistic individuals from controls. For resting-state measures, the high gamma …

Cognitive Decline And Contact Sports: The Relationship Between P3 Amplitude And Sub-Concussive Head Impact, Elizabeth Kerman

Undergraduate Honors Theses

The present study sought to explore the effect of repetitive sub-concussive head impacts on the P3 event-related potential (ERP) amplitude and measures of movement kinematics. University students participating in collision, contact, and non-contact sports at the club and varsity level completed a cued visuomotor adaptation task. Results indicated that participants who estimated experiencing four or more sub-concussive head impacts per week display a significantly reduced P3 amplitude across both normal and adaptive trials. Additionally, participants who estimated experiencing less than four sub-concussive head impacts per week displayed no significant changes in P300 amplitude between “switch” and “stay” trials. This research …

Investigating The Relationship Between N2pc And Rapid Saccadic Eye Movements, Kezhen Qi

Undergraduate Honors Theses

In this study, we investigated the impact of temporal variability on the N2pc component during overt and covert visual search tasks, with a focus on potential differences in the efficiency of search strategies. Employing an eye tracker and a modified algorithm for saccade detection, our analysis considered the potential influence of eye tracker performance and data cleaning methods on the interpretation of results. Additionally, we adopted ERPimage analysis to enhance the rigor of our statistical examination. Our findings confirmed the temporal relationship between the N2pc and first saccade onset, with the N2pc occurring after the saccade. Furthermore, we identified a …

The Cognitive & Educational Implications Of Color Use In Drawing To Learn, Juliana F.M. Cantarutti

Undergraduate Honors Theses

Drawing to Learn (D2L) is a learning aid that encourages STEM students to interact with abstract concepts in STEM by sketching. D2L is not an intuitive skill, and researchers strive to provide students with guidelines on how to master this method. One potential way to enhance the D2L method for students is by incorporation of visual cues, specifically color. While many students choose to incorporate color into their models without explicit instruction to do so, we have found no research on: a) why students use color in sketching, b) its effects on D2L. This study used interviews, surveys, and course …

Memory Suppression: The Importance Of Baseline Learning For The Think/No-Think Task, Curtis Rogers

Undergraduate Honors Theses

Studies using the think/no-think task have never addressed the baselines they use throughout the experiment. This study's primary goal was to investigate the effect differing baselines for word-pair learning (50% vs. 75%) would have on the think/no-think task. A replication of Anderson and Greene’s 2001 study using the Think/No-Think task was performed using either a 50% or 75% baseline as a threshold for participants moving to the think/no-think phase of the experiment. Due to the COVID-19 pandemic, this study implemented the think/no-think task online. Recall was evaluated using same and independent-probe memory tests.

Firstly, this study replicated the think/no-think effect …