Auditory representation in the cerebellum of the CF‐FM bat, Pteronotus parnellii parnellii

1983 ◽  
Vol 73 (S1) ◽  
pp. S79-S79 ◽  
Author(s):  
Xinde Sun ◽  
Tsutomu Kamada ◽  
Philip H.‐S. Jen
Keyword(s):  
Pteronotus Parnellii ◽  
Auditory Representation ◽  
Fm Bat

Peripheral specialization for fine analysis of doppler-shifted echoes in the auditory system of the “CF-FM” bat Pteronotus parnellii

1975 ◽  
Vol 63 (1) ◽  
pp. 161-192
Author(s):  
N. Suga ◽  
J. A. Simmons ◽  
P. H. Jen
Keyword(s):  
Inner Ear ◽  
Auditory System ◽  
Second Harmonic ◽  
Tuning Curve ◽  
Cochlear Microphonics ◽  
Slow Increase ◽  
Pteronotus Parnellii ◽  
Neural Inhibition ◽  
Fm Bat ◽  
Mechanical Tuning

Pteronotus parnellii uses the second harmonic (61–62 kHz) of the CF component in its orientation sounds for Doppler-shift compensation. The bat's inner ear is mechanically specialized for fine analysis of sounds at about 61–62 kHz. Because of this specialization, cochlear microphonics (CM) evoked by 61–62 kHz tone bursts exhibit prominent transients, slow increase and decrease in amplitude at the onset and cessation of these stimuli. CM-responses to 60–61 kHz tone bursts show a prominent input-output non-linearity and transients. Accordingly, a summated response of primary auditory neurones (N1) appears not only at the onset of the stimuli, but also at the cessation. N1-off is sharply tuned at 60–61 kHz, while N1-on is tuned at 63–64 kHz, which is 2 kHz higher than the best frequency of the auditory system because of the envelope-distortion originating from sharp mechanical tuning. Single peripheral neurones sensitive to 61–62 kHz sounds have an unusually sharp tuning curve and show phase-locked responses to beats of up to 3 kHz. Information about the frequencies of Doppler-shifted echoes is thus coded by a set of sharply tuned neurones and also discharges phase-locked to beats. Neurones with a best frequency between 55 and 64 kHz show not only tonic on-responses but also off-responses which are apparently related to the mechanical off-transient occuring in the inner ear and not to a rebound from neural inhibition.

Responses of cerebellar neurons of the CF-FM bat,Pteronotus parnellii to acoustic stimuli

1982 ◽  
Vol 252 (1) ◽  
pp. 167-171 ◽  
Author(s):  
Philip H.-S. Jen ◽  
Xinde Sun ◽  
Tsutomu Kamada
Keyword(s):  
Cerebellar Neurons ◽  
Acoustic Stimuli ◽  
Pteronotus Parnellii ◽  
Fm Bat

Recovery Cycle of Inferior Collicular Neurons Determine Pulse Following Rate in CF-FM Bat*

2010 ◽  
Vol 37 (7) ◽  
pp. 801-808 ◽  
Author(s):  
Jia TANG ◽  
Zi-Ying FU ◽  
PHILIP H.-S. JEN ◽  
Qi-Cai CHEN
Keyword(s):  
Recovery Cycle ◽  
Fm Bat ◽  
Inferior Collicular

scholarly journals Bat species richness in the region of the Central Valleys of Oaxaca, Mexico

2019 ◽  
pp. 1-11
Author(s):  
M. García–Luis ◽  
M. Briones–Salas ◽  
M. C. Lavariega
Keyword(s):  
Species Richness ◽  
Iucn Red List ◽  
Red List ◽  
Risk Category ◽  
Echolocation Calls ◽  
Mustached Bat ◽  
Pteronotus Parnellii ◽  
Urbanized Region ◽  
Bat Diversity

We present a revised checklist of bat species occurring in the semi–urbanized region of the Central Valleys of Oaxaca, Mexico. The checklist is based on surveys using mist nets, recordings of echolocation calls, data from literature, and museum databases. Results show that the Central Valleys of Oaxaca have a species richness of 33 bat species belonging to 22 genera and five families. Species like the Mustached bat Pteronotus parnellii, the Western Red bat Lasiurus blossevillii and the Free–tailed bat Promops centralis were recorded after 32, 30 and 19 years respectively according to the records of the literature. We also recorded four species classified in some risk category according to either the Mexican government’s red list (NOM–059) or the IUCN red list. The recordings of the echolocation calls are the first from the region of Central Valleys of Oaxaca. Bat diversity in the Central Valleys of Oaxaca was underestimated and emphasizes the need for further research

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