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Articles 1 - 10 of 10
Full-Text Articles in Anatomy
Developmental Changes In Electrophysiological Properties Of Auditory Cortical Neurons In The Cntnap2 Knockout Rat, Rajkamalpreet S Mann, Brian L Allman, Susanne Schmid
Developmental Changes In Electrophysiological Properties Of Auditory Cortical Neurons In The Cntnap2 Knockout Rat, Rajkamalpreet S Mann, Brian L Allman, Susanne Schmid
Anatomy and Cell Biology Publications
Disruptions in the CNTNAP2 gene are known to cause language impairments and symptoms associated with autism spectrum disorder (ASD). Importantly, knocking out this gene in rodents results in ASD-like symptoms that include auditory processing deficits. This study used in vitro patch-clamp electrophysiology to examine developmental alterations in auditory cortex pyramidal neurons of Cntnap2-/- rats, hypothesizing that CNTNAP2 is essential for maintaining intrinsic neuronal properties and synaptic wiring in the developing auditory cortex. Whole cell patch-clamp recordings were conducted in wildtype and Cntnap2-/- littermates at three postnatal age ranges (P8-12, P18-21, and …
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
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 …
Prevalence Of Gastrointestinal Symptoms Among Autistic Individuals, With And Without Co-Occurring Intellectual Disability, Calliope Holingue, Danika Pfeiffer, Natasha N. Ludwig, Rachel Reetzke, Ji Su Hong, Luther G. Kalb, Rebecca Landa
Prevalence Of Gastrointestinal Symptoms Among Autistic Individuals, With And Without Co-Occurring Intellectual Disability, Calliope Holingue, Danika Pfeiffer, Natasha N. Ludwig, Rachel Reetzke, Ji Su Hong, Luther G. Kalb, Rebecca Landa
Communication Disorders & Special Education Faculty Publications
Gastrointestinal symptoms (GI) are very common among individuals on the autism spectrum. Prior research reports mixed findings regarding whether individuals with autism and co-occurring intellectual disability (ID) have elevated risk of gastrointestinal symptoms relative to individuals with autism alone. GI symptoms can be challenging to assess in individuals with autism spectrum disorder (ASD) and/or ID given challenges with language, communication, and interoception. Prior research has tended to only include individuals with documented presence or absence of GI symptoms or conditions, that is, to exclude observations in which there is uncertainty regarding presence of GI symptoms. Therefore, none of the prior …
The Effect Of Training Program On Autism Spectrum Quotient Scores, Hossein Nazary Sharif, Sarvin Salar, Justin Anthony Haegele
The Effect Of Training Program On Autism Spectrum Quotient Scores, Hossein Nazary Sharif, Sarvin Salar, Justin Anthony Haegele
Human Movement Sciences & Special Education Faculty Publications
Background: Autism Spectrum Quotient (AQ) functions as an evaluative instrument designed to assess traits associated with autism. Variances exist within the brain of individuals on the autism spectrum. Moreover, certain exercises have the potential to impact specific regions of the brain.
Aim: This study aims to investigate how the program training of this study impact Autism—Spectrum Quotient.
Materials and Methods: Forty-two children aged 7-10 years with ASD were recruited to participate in this study. These children were randomly divided into two groups: the control group (N=10, 7.80±1.35 years) and the experimental group (N=32, age: 8.16±1.16 years). The experimental group underwent …
Parent/ Caregiver Burnout With Autism Due To Covid, Leah Recker, Erin Babcock
Parent/ Caregiver Burnout With Autism Due To Covid, Leah Recker, Erin Babcock
Williams Honors College, Honors Research Projects
The purpose of this project is to gain an understanding how parents of children with autism are affected by caregiver burnout. We want to understand the different factors that contribute to this burnout and analyze how individuals are affected differently. To do this, we are sending
out a survey using Likert scale items to assess parents’ stress and burnout. We will be carefully selecting statements based off information we gather through peer reviewed journal articles. We would then like the parents to decide how strongly they agree or disagree with each question. This will create a more in-depth picture of …
Gut Pathophysiology In Mouse Models Of Social Behavior Deficits, Kyla Scott
Gut Pathophysiology In Mouse Models Of Social Behavior Deficits, Kyla Scott
Undergraduate Honors Theses
Autism spectrum disorders (ASD) encompass neurodevelopment disorders characterized by atypical patterns of development that impact multiple areas of functioning beginning in early childhood. The etiology of ASD is unknown and there are currently no preventative treatment options. Gastrointestinal symptoms are commonly associated comorbidities. The microbiota-gut-brain axis is a multidirectional communication chain that connects the central and enteric nervous system that relates brain function to peripheral intestinal functions. Changes within this axis have been postulated in ASD. For example, the “leaky gut theory” proposes that chronic inflammation is linked to alterations in the bacterial profiles of the gut microbiome and subsequent …
The Effect Of Grooming And Therapeutic Riding By Adolescents With Autism Spectrum Disorder On Equine Salivary Cortisol Concentrations, Morgan Shields
The Effect Of Grooming And Therapeutic Riding By Adolescents With Autism Spectrum Disorder On Equine Salivary Cortisol Concentrations, Morgan Shields
Undergraduate Honors Thesis Projects
The use of horses in therapeutic riding programs, especially for adolescents with autism spectrum disorder (ASD), has grown, yet the impact of grooming and riding on equine stress levels remains unknown. The aim of this study was to compare the effects of grooming and therapeutic riding on salivary cortisol concentrations of 10 horses in a therapeutic riding program. Samples were taken pre and post over two control and grooming days and over two series of nine therapeutic riding lessons for adolescents with ASD. On grooming days, each horse was groomed using a set protocol. On riding days, horses were ridden …
The Effects Of Therapeutic Riding On Social Skills And Sensory Functioning In Children With Autism, Betsy Donahoe-Fillmore, Mary Insana Fisher, Christy Lee, Jordan Bevins, Cristin Carter, Stephanie Dailey, Kelsey Haynes, Allison Richard, Sarah Soboslay
The Effects Of Therapeutic Riding On Social Skills And Sensory Functioning In Children With Autism, Betsy Donahoe-Fillmore, Mary Insana Fisher, Christy Lee, Jordan Bevins, Cristin Carter, Stephanie Dailey, Kelsey Haynes, Allison Richard, Sarah Soboslay
Physical Therapy Faculty Publications
Purpose and Significance: Therapeutic riding (TR) is equine-assisted riding lessons that are adapted for people with a wide variety of impairments and is often used as an adjunct to traditional therapies. Previous research has shown that TR helped to improve sensory functioning, cognition and social skills in children with Autism Spectrum Disorder (ASD) but sessions have typically been for 10-12 weeks. The purpose of this study was to investigate if social skills and sensory functioning improved after only 8 weeks of TR.
Subjects: Children were recruited from a local TR center. Participants included seven children (5M, 2F) with a diagnosis …
Investigating The Role Of Integrin Beta 3 In Dendritic Arborization In The Supragranular Developing Cerebral Cortex, Zachary Logan Holley
Investigating The Role Of Integrin Beta 3 In Dendritic Arborization In The Supragranular Developing Cerebral Cortex, Zachary Logan Holley
Senior Honors Projects, 2010-2019
Integrin subunits have been implicated in axonal and dendritic outgrowth. In particular, a strong positive association has been found between mutations in integrin beta 3 (Itgb3) and autism spectrum disorder, but little is known about neuronal Itgb3 function in vivo. Many forms of autism spectrum disorder are thought to arise from dysfunctional dendritic arborization and synaptic pruning. Global knockout of Itgb3 in mice leads to autistic-like behaviors. Itgb3-/- mice also have reduced callosal volume, a key neuroanatomical correlate of autism. Here, we test the hypothesis that Itgb3 is required for normal dendritic arborization in layer II/III pyramidal …
Hyperactivity And Attention Deficits In Mice With Decreased Levels Of Stress-Inducible Phosphoprotein 1 (Stip1), Flavio H. Beraldo, Anu Thomas, Benjamin Kolisnyk, Pedro H. Hirata, Xavier De Jaeger, Amanda C. Martyn, Jue Fan, Daniela F. Goncalves, Matthew F. Cowan, Talal Masood, Vilma R.. Martins, Robert Gros, Vania F. Prado, Marco A. M. Prado
Hyperactivity And Attention Deficits In Mice With Decreased Levels Of Stress-Inducible Phosphoprotein 1 (Stip1), Flavio H. Beraldo, Anu Thomas, Benjamin Kolisnyk, Pedro H. Hirata, Xavier De Jaeger, Amanda C. Martyn, Jue Fan, Daniela F. Goncalves, Matthew F. Cowan, Talal Masood, Vilma R.. Martins, Robert Gros, Vania F. Prado, Marco A. M. Prado
Anatomy and Cell Biology Publications
Stress-inducible phosphoprotein I (STIP1, STI1 or HOP) is a cochaperone intermediating Hsp70/Hsp90 exchange of client proteins, but it can also be secreted to trigger prion protein-mediated neuronal signaling. Some mothers of children with autism spectrum disorders (ASD) present antibodies against certain brain proteins, including antibodies against STIP1. Maternal antibodies can cross the fetus blood-brain barrier during pregnancy, suggesting the possibility that they can interfere with STIP1 levels and, presumably, functions. However, it is currently unknown whether abnormal levels of STIP1 have any impact in ASD-related behavior. Here, we used mice with reduced (50%) or increased STIP1 levels (fivefold) to test …