Recent Research Posters & Extra Information

---

SSHD Conference 2023

Motor Development and Neural Correlates of Behavior

If you would like a copy of the poster, please email Kaitlyn at kaitlyn.campbell@temple.edu

As this data collection is ongoing, this preliminary data analysis consists of 22 infants.

EEG Data:

• Our EEG data quality thresholds included reference electrodes’ data being usable, the proportion of usable EEG channels being 70% or above, at least 40% of trials are usable, and the correlation of the pre and post-line noise reduction is at least .90 or above. HAPPE+ER pipeline was used for data cleaning and a temporal PCA was used for ERP component identification.
• As the sMMN is sometimes seen as a positive peak instead of negative, we adopted the sMMR as a label instead. Also we looked at the Late sMMR which is the same as the LDN.
• The component amplitudes were derived from the tPCA analysis and are the amplitude at the peak latency of each component for each participant.

---

FIT’NG Conference 2023

Neural Correlates of Tactile Attention in Infancy

If you would like a copy of the poster, please email Kaitlyn at kaitlyn.campbell@temple.edu

As this data collection is ongoing, this preliminary data analysis consists of 36 infants. Our EEG data quality thresholds included reference electrodes’ data being usable, the proportion of usable EEG channels being 70% or above, at least 40% of trials are usable, and the correlation of the pre and post-line noise reduction is at least .90 or above. HAPPE+ER pipeline was used for data cleaning and a temporal PCA was used for ERP component identification.

Our lab was the first to identify the MMN in the tactile modality in both adults and infants. This analysis is the first to look at the specific functional categories of the fingers in infants.

As the sMMN is sometimes seen as a positive peak instead of negative, we adopted the sMMR as a label instead. Also we looked at the Late sMMR which is the same as the LDN.

The component amplitudes were derived from the tPCA analysis and are the amplitude at the peak latency of each component for each participant.

---

FLUX Conference 2023

Ignore the Tap: Neural Correlates of Children’s Voluntary Tactile Attention

If you would like a copy of the poster, please email Kaitlyn at kaitlyn.campbell@temple.edu

The overall sample was 56 children but there was technical errors for 3 files and 6 files did not meet EEG quality thresholds. Our quality thresholds included reference electrodes’ data being usable, the proportion of usable EEG channels being 70% or above, at least 40% of trials are usable, and the correlation of the pre and post-line noise reduction is at least .90 or above.

HAPPE+ER pipeline was used for data cleaning and a temporal PCA was used for ERP component identification.

We did an individualized approach to ERP scoring where we used the component’s peak latency and averaged the amplitude 20ms around it.

Summary Statistics (n = 40,208 observations in 47 children)

Multilevel Models Predicting the Amplitude of N80 (z) on Trial and Child Characteristics

---

International Society of Developmental Psychobiology 2022 Meeting: Sex Differences in the Maturation of the Grasp in Infancy: A Longitudinal Kinematic Analysis

Data Cleaning Steps:

1. VIM package in R was used to make sure the amount of missing data was 5% or less
2. Missing data were imputed using the MICE package in R.
3. Imputed data were compared to original data on variable means and overall correlations. Means were very similar and interpretations of correlations were not different between the datasets. The imputed data were then used as the working dataset
4. Outliers were identified in the dataset by the ROutliers package in R, which is based on the MAD instead of the mean (which is influenced by outliers).
5. Outliers were winsorized using the datawizard package in R

---

Infant Behavior Questionnaire-Revised Short-Form (Rothbart & Gartstein, 2000)