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Full-Text Articles in Life Sciences

The Modulation Of Lfp Characteristics In The Freely Moving Common Marmoset, William Jm Assis Aug 2023

The Modulation Of Lfp Characteristics In The Freely Moving Common Marmoset, William Jm Assis

Electronic Thesis and Dissertation Repository

The hippocampus is a neural structure critical for navigation. Neurons in this region, along with others, create a functional network which generates large-amplitude modulations known as local field potential (LFP) activity. Prior LFP research has predominantly used rodent animal models, however recent studies have shown that frequencies associated with navigation in other mammals do not correlate to those of the rodent. We hypothesized that LFP characteristics in the common marmoset are modulated by the speed and axis of travel of the animal. Two marmosets were placed in a free moving 3-dimensional environment where movement and neurological activity were recorded. Results …


Differences In Startle And Prepulse Inhibition In Contactin-Associated Protein-Like 2 Knock-Out Rats Are Associated With Sex-Specific Alterations In Brainstem Neural Activity, Alice Zheng, Kaela E Scott, Ashley L Schormans, Rajkamalpreet Mann, Brian L Allman, Susanne Schmid Mar 2023

Differences In Startle And Prepulse Inhibition In Contactin-Associated Protein-Like 2 Knock-Out Rats Are Associated With Sex-Specific Alterations In Brainstem Neural Activity, Alice Zheng, Kaela E Scott, Ashley L Schormans, Rajkamalpreet Mann, Brian L Allman, Susanne Schmid

Anatomy and Cell Biology Publications

The contactin-associated protein-like 2 (CNTNAP2) gene encodes for the CASPR2 protein, which plays an essential role in neurodevelopment. Mutations in CNTNAP2 are associated with neurodevelopmental disorders, including autism spectrum disorder and schizophrenia. Rats with a loss of function mutation in the Cntnap2 gene show increased acoustic startle response (ASR) and decreased prepulse inhibition (PPI). The neural basis of this altered auditory processing in Cntnap2 knock-out rats is currently unknown. Auditory brainstem recordings previously revealed no differences between the genotypes. The next step is to investigate brainstem structures outside of the primary auditory pathway that mediate ASR and PPI, which are …