[AUDITORY] EARS seminar next Tuesday 10.24 (Maria Geffen )

Subject: [AUDITORY] EARS seminar next Tuesday 10.24 From: Maria Geffen <mariageffen@xxxxxxxx> Date: Wed, 18 Oct 2023 10:45:33 -0400 --Apple-Mail=_E0210A92-8DC1-49D0-B3C5-7FAE088B3AA2 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Dear fellow neuroscientists, Please join us next Tuesday, October 24th at 1:00 pm ET for the next = edition of E.A.R.S. (Electronic Auditory Research Seminars),=20 a monthly auditory seminar series focused on central auditory processing=20= and circuits.=20 =20 Speakers: Maria Loconsole (University of Padova): =E2=80=9CTortoises (Testudo hermanni) spontaneously associate visual and = acoustic information=E2=80=9D =20 Abstract: Crossmodal correspondences refer to a spontaneous tendency to associate = information coming from different sensory modalities. For instance, we = consider a high-pitch sound as more likely to come from a small object = and a low-pitch sound as more likely to come from a larger one, namely, = a pitch-size correspondence. Examples of crossmodal associations have = been reported in several mammalian species, including chimpanzees, = rhesus monkeys, and domestic dogs. It has been hypothesised that this = mechanism may haveevolved to answer specific environmental needs common = to different clades. Thus, evidence form a reptile, the tortoise = (Testudo hermanni), is crucial for a better evolutionary understanding = of crossmodal associations. In this talk I will discuss a recent study = in which tortoises could enter one of two possible flapping doors, each = signalled by either a large or a small circle, to obtain a food reward. = Subjects preferentially entered the door with the smaller circle when = hearing a high-pitched background sound, and that with the larger circle = when hearing a low-pitched background sound. These results contribute = evidence of a spontaneous association in a reptile, which is well in = line with previous literature on mammalian species. This is a crucial = step for enabling a deeper understanding of the evolutionary origin of = crossmodal correspondences, highlighting the existence of widespread = perceptual associative mechanisms common to different clades. Julia George (Clemson University): "What the egg hears: how acoustic signals reprogram zebra finch = development" =20 Abstract: The zebra finch is a small songbird native to Australia and New Zealand, = where climate is variable and sometimes extreme. When nesting parents = experience hot weather, they produce a "heat call" while incubating = their eggs. The sound of the heat call has been shown to trigger a = lasting change in physiology and development: hatchlings that were = exposed in the egg to heat calls grow more slowly in response to warm = temperature, and are better adapted to a warmer environment than = unexposed controls. My lab is working to identify changes in gene = expression in response to heat call exposure, to understand the genomic = basis of this developmental reprogramming. =20 The seminar will be hosted on Zoom. You can access the seminars here:=20 https://pennmedicine.zoom.us/j/95396120820 = <https://pennmedicine.zoom.us/j/95396120820>. This link is also posted = on our=20 website https://www.med.upenn.edu/pennhearing/ears.html = <https://www.med.upenn.edu/pennhearing/ears.html>. The E.A.R.S.=20 subscriber list is the ears-seminar google group, which you can join by=20= emailing: ears2022+subscribe@xxxxxxxx = <mailto:ears2022+subscribe@xxxxxxxx> or visiting the following=20= link: https://groups.google.com/g/ears2022 = <https://groups.google.com/g/ears2022>. With kind wishes, Matilda Gibbons Maria Geffen Bhanu Shukla =20 ______________________________ Maria N. Geffen, Ph.D. (she/her) Professor Department of Otorhinolaryngology Department of Neuroscience Department of Neurology Co-Director, Computational Neuroscience Initiative Stemmler Hall G14 3450 Hamilton Walk Philadelphia PA 19104 (215)898-0782 mgeffen@xxxxxxxx My zoom room Follow me @xxxxxxxx@xxxxxxxx http://hosting.med.upenn.edu/hearing Twitter: @xxxxxxxx --Apple-Mail=_E0210A92-8DC1-49D0-B3C5-7FAE088B3AA2 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><span= class=3D"">Dear fellow neuroscientists, Please join us next Tuesday, October 24th at 1:00 pm ET for = the next edition of E.A.R.S. (Electronic Auditory Research = Seminars),  a monthly auditory seminar series focused = on central auditory processing  and = circuits.    Speakers: Maria Loconsole = (University of Padova): =E2=80=9CTor= toises (Testudo hermanni) spontaneously associate visual and acoustic = information=E2=80=9D   Abstract: Crossmodal correspondences refer to a spontaneous tendency to = associate information coming from different sensory modalities. For = instance, we consider a high-pitch sound as more likely to come = from a small object and a low-pitch sound as more likely to come from a = larger one, namely, a pitch-size correspondence. Examples of crossmodal = associations have been reported in several mammalian species, = including chimpanzees, rhesus monkeys, and domestic dogs. It = has been hypothesised that this mechanism may haveevolved = to answer specific environmental needs common to different = clades. Thus, evidence form a reptile, the tortoise = (Testudo hermanni), is crucial for a better evolutionary = understanding of crossmodal associations. In this talk I = will discuss a recent study in which tortoises could enter one = of two possible flapping doors, each signalled by either a large = or a small circle, to obtain a food reward. Subjects preferentially = entered the door with the smaller circle when hearing a high-pitched = background sound, and that with the larger circle when hearing a = low-pitched background sound. These results contribute = evidence of a spontaneous association in a reptile, which is well = in line with previous literature on mammalian species. This is a crucial = step for enabling a deeper understanding of the evolutionary origin = of crossmodal correspondences, highlighting the existence of = widespread perceptual associative mechanisms common to different = clades. Julia George (Clemson University): "What the egg hears: how acoustic signals reprogram zebra = finch development"   Abstract: The zebra finch is a small songbird native to Australia and = New Zealand, where climate is variable and sometimes extreme. When = nesting parents experience hot weather, they produce a "heat call" = while incubating their eggs. The sound of the heat call has been shown = to trigger a lasting change in physiology and development: =  hatchlings that were exposed in the egg to heat calls grow more = slowly in response to warm temperature, and are better adapted to a = warmer environment than unexposed controls. My lab is working to = identify changes in gene expression in response to heat call = exposure, to understand the genomic basis of this developmental = reprogramming.   The seminar will be hosted on Zoom. You = can access the seminars here:  <a = href=3D"https://pennmedicine.zoom.us/j/95396120820" = class=3D"">https://pennmedicine.zoom.us/j/95396120820</a>. This = link is also posted on our <div class=3D"">website <a = href=3D"https://www.med.upenn.edu/pennhearing/ears.html" = class=3D"">https://www.med.upenn.edu/pennhearing/ears.html</a>. = The E.A.R.S. </div><div class=3D"">subscriber list = is the ears-seminar google group, which you can join by  emailing: <a = href=3D"mailto:ears2022+subscribe@xxxxxxxx" = class=3D"">ears2022+subscribe@xxxxxxxx</a> or = visiting the following </div><div class=3D"">link: <a href=3D"https://groups.google.com/g/ears2022" = class=3D"">https://groups.google.com/g/ears2022</a>.</div><div = class=3D""> With kind wishes, Matilda Gibbons Maria = Geffen Bhanu Shukla   <div class=3D"">______________________________ Maria N. Geffen, Ph.D. (she/her) Professor Department of Otorhinolaryngology Department of Neuroscience Department of = Neurology Co-Director, Computational Neuroscience = Initiative Stemmler Hall G14 3450 Hamilton = Walk Philadelphia PA 19104 (215)898-0782 <a href=3D"mailto:mgeffen@xxxxxxxx" = class=3D"">mgeffen@xxxxxxxx</a> My zoom = room Follow me @xxxxxxxx@xxxxxxxx http://hosting.med.upenn.edu/hearing Twitter: @xxxxxxxx </div> </div></body></html>= --Apple-Mail=_E0210A92-8DC1-49D0-B3C5-7FAE088B3AA2--

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