Masakazu Konishi

Summary

Affiliation: California Institute of Technology
Country: USA

Publications

  1. ncbi request reprint Behavioral guides for sensory neurophysiology
    M Konishi
    Division of Biology, 216 76, California Institute of Technology, Pasadena, 91125, USA
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 192:671-6. 2006
  2. doi request reprint From central pattern generator to sensory template in the evolution of birdsong
    Masakazu Konishi
    California Institute of Technology, Pasadena, 91125, USA
    Brain Lang 115:18-20. 2010
  3. ncbi request reprint Coding of auditory space
    Masakazu Konishi
    Division of Biology 216 76, California Institute of Technology, Pasadena, CA 91125, USA
    Annu Rev Neurosci 26:31-55. 2003
  4. pmc Variability reduction in interaural time difference tuning in the barn owl
    Brian J Fischer
    Division of Biology, California Institute of Technology, Mail code 216 76, 1200 E California, Pasadena, CA 91125, USA
    J Neurophysiol 100:708-15. 2008
  5. pmc Emergence of multiplicative auditory responses in the midbrain of the barn owl
    Brian J Fischer
    California Institute of Technology, Division of Biology, Mail code 216 76, 1200 E California, Pasadena, CA 91125, USA
    J Neurophysiol 98:1181-93. 2007
  6. ncbi request reprint Neural auditory selectivity develops in parallel with song
    Teresa A Nick
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Neurobiol 62:469-81. 2005
  7. doi request reprint New brain pathways found in the vocal control system of a songbird
    Eugene Akutagawa
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Comp Neurol 518:3086-100. 2010
  8. ncbi request reprint Robustness of multiplicative processes in auditory spatial tuning
    Jose Luis Pena
    Division of Biology 216 76, California Institute of Technology, Pasadena, California 91125, USA
    J Neurosci 24:8907-10. 2004
  9. doi request reprint Computation of interaural time difference in the owl's coincidence detector neurons
    Kazuo Funabiki
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Neurosci 31:15245-56. 2011
  10. ncbi request reprint The role of auditory feedback in birdsong
    Masakazu Konishi
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    Ann N Y Acad Sci 1016:463-75. 2004

Detail Information

Publications28

  1. ncbi request reprint Behavioral guides for sensory neurophysiology
    M Konishi
    Division of Biology, 216 76, California Institute of Technology, Pasadena, 91125, USA
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 192:671-6. 2006
    ..Comparison of Eigenmannia and barn owls, and their neural systems, has revealed similarities in network designs, such as parallel pathways and their convergence to produce stimulus selectivity necessary for detection of natural stimuli...
  2. doi request reprint From central pattern generator to sensory template in the evolution of birdsong
    Masakazu Konishi
    California Institute of Technology, Pasadena, 91125, USA
    Brain Lang 115:18-20. 2010
    ..The template method perhaps evolved to free birds from fixed central pattern generators, resulting in the evolution of diverse and complex songs among oscine songbirds. The evolution of human speech may have followed a similar course...
  3. ncbi request reprint Coding of auditory space
    Masakazu Konishi
    Division of Biology 216 76, California Institute of Technology, Pasadena, CA 91125, USA
    Annu Rev Neurosci 26:31-55. 2003
    ..Thus, the two coding schemes are not alternate methods. Owls can localize sounds by using either the isomorphic map of auditory space in the midbrain or forebrain neural networks in which space is not mapped...
  4. pmc Variability reduction in interaural time difference tuning in the barn owl
    Brian J Fischer
    Division of Biology, California Institute of Technology, Mail code 216 76, 1200 E California, Pasadena, CA 91125, USA
    J Neurophysiol 100:708-15. 2008
    ..We recorded extracellularly the responses of LLDa neurons to ITD in anesthetized barn owls and show that this ability is already present in LLDa, raising the possibility that ICcc inherits its noise reduction property from LLDa...
  5. pmc Emergence of multiplicative auditory responses in the midbrain of the barn owl
    Brian J Fischer
    California Institute of Technology, Division of Biology, Mail code 216 76, 1200 E California, Pasadena, CA 91125, USA
    J Neurophysiol 98:1181-93. 2007
    ..A network model shows that a linear combination of ICcl responses to ITD-ILD pairs is sufficient to produce the multiplicative subthreshold responses to ITD and ILD seen in ICx...
  6. ncbi request reprint Neural auditory selectivity develops in parallel with song
    Teresa A Nick
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Neurobiol 62:469-81. 2005
    ..Moreover, responses to previous, plastic versions of BOS decayed over time. This indicates that selective tuning to BOS mirrors the vocalization that the bird is currently producing...
  7. doi request reprint New brain pathways found in the vocal control system of a songbird
    Eugene Akutagawa
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Comp Neurol 518:3086-100. 2010
    ..The present study adds complex new connections that expand the traditional song system circuitry into the caudal mesopallium. These new pathways are likely to have broad implications for deciphering how this intricate system works...
  8. ncbi request reprint Robustness of multiplicative processes in auditory spatial tuning
    Jose Luis Pena
    Division of Biology 216 76, California Institute of Technology, Pasadena, California 91125, USA
    J Neurosci 24:8907-10. 2004
    ..Multiplication worked for the entire range of postsynaptic potentials created by manipulation of ITD...
  9. doi request reprint Computation of interaural time difference in the owl's coincidence detector neurons
    Kazuo Funabiki
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Neurosci 31:15245-56. 2011
    ....
  10. ncbi request reprint The role of auditory feedback in birdsong
    Masakazu Konishi
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    Ann N Y Acad Sci 1016:463-75. 2004
    ..It is, however, not known whether the gating is involved in switching between the premotor and auditory function of neurons in the song control system...
  11. pmc Representation of sound localization cues in the auditory thalamus of the barn owl
    L Proctor
    Division of Biology, MC 216 76, California Institute of Technology, Pasadena, CA 91125, USA
    Proc Natl Acad Sci U S A 94:10421-5. 1997
    ..These findings suggest that in the thalamo-telencephalic auditory pathway, sound localization is subserved by a nontopographic representation of auditory space...
  12. pmc Cellular mechanisms for resolving phase ambiguity in the owl's inferior colliculus
    J L Pena
    Division of Biology 216 76, California Institute of Technology, Pasadena, CA 91125, USA
    Proc Natl Acad Sci U S A 97:11787-92. 2000
    ..ICX neurons further enhance this difference in the process of converting membrane potentials to impulse rates. Inhibition also appears to augment the difference between the main and side peaks...
  13. ncbi request reprint Decrystallization of adult birdsong by perturbation of auditory feedback
    A Leonardo
    Computation and Neural Systems Program and Division of Biology, California Institute of Technology, Pasadena 91125, USA
    Nature 399:466-70. 1999
    ..After normal feedback was restored, these deviations gradually disappeared and the original song was recovered. Thus, adult birds that do not learn new songs nevertheless retain a significant amount of plasticity in the brain...
  14. ncbi request reprint Auditory spatial receptive fields created by multiplication
    J L Pena
    Division of Biology 216 76, California Institute of Technology, Pasadena, CA 91125, USA
    Science 292:249-52. 2001
    ..Other nonlinear processes improve the spatial tuning of the spike output and reduce the fit to the multiplicative model...
  15. ncbi request reprint Gating of auditory responses in the vocal control system of awake songbirds
    M F Schmidt
    Division of Biology, M C 216 76, California Institute of Technology, Pasadena 91125, USA
    Nat Neurosci 1:513-8. 1998
    ..Gating of auditory input at the junction between the auditory and vocal control system may be essential for regulating auditory feedback signals necessary for song learning and maintenance...
  16. ncbi request reprint Cochlear and neural delays for coincidence detection in owls
    J L Pena
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Neurosci 21:9455-9. 2001
    ..Thus, there is no need to invoke mechanisms other than neural delays to explain the detection of ITDs by the barn owl's laminaris neurons...
  17. pmc Dynamic control of auditory activity during sleep: correlation between song response and EEG
    T A Nick
    Division of Biology, California Institute of Technology, MC 216 76, Pasadena, CA 91125, USA
    Proc Natl Acad Sci U S A 98:14012-6. 2001
    ..State-dependent phenomena in downstream nuclei, such as robustus archistriatalis, are likely to be derivatives of those in HVC...
  18. ncbi request reprint Effects of interaural decorrelation on neural and behavioral detection of spatial cues
    K Saberi
    Division of Biology, California Institute of Technology, Pasadena 91125, USA
    Neuron 21:789-98. 1998
    ....
  19. pmc How do owls localize interaurally phase-ambiguous signals?
    K Saberi
    Division of Biology, California Institute of Technology, Pasadena, CA 91125, USA
    Proc Natl Acad Sci U S A 95:6465-8. 1998
    ..One owl always pointed to the direction represented by the smaller of the two ITDs, whereas a second owl always chose the direction represented by the larger ITD (i.e., ITD - T)...
  20. ncbi request reprint Neural bases of an auditory illusion and its elimination in owls
    K Saberi
    Division of Biology 216 76, California Institute of Technology, Pasadena 91125, USA
    Nat Neurosci 2:656-9. 1999
    ..This bandwidth also enabled higher-order auditory neurons to discriminate between real and illusory sources...
  21. ncbi request reprint Neural song preference during vocal learning in the zebra finch depends on age and state
    Teresa A Nick
    Division of Biology, MC 216 76, California Institute of Technology, Pasadena, California 91125, USA
    J Neurobiol 62:231-42. 2005
    ..During the same developmental phase, the BOS was the most effective excitatory stimulus during sleep. The preference for BOS compared to tutor song inverted with sleep/wake state. Thus, song preference shifts with development and state...
  22. pmc Connections of thalamic modulatory centers to the vocal control system of the zebra finch
    Eugene Akutagawa
    Division of Biology, California Institute of Technology, Pasadena, CA 91125, USA
    Proc Natl Acad Sci U S A 102:14086-91. 2005
    ..Our findings suggest that the Uva might serve as a hub to coordinate neuromodulatory input into the song system...
  23. ncbi request reprint Manipulation of inhibition in the owl's nucleus laminaris and its effects on optic tectum neurons
    Yoshifumi Takahashi
    Division of Biology 216 76, California Institute of Technology, Pasadena 91125, USA
    Neuroscience 111:373-8. 2002
    ..This conclusion is consistent with the recent finding that the combination sensitivity is due to a multiplication of ITD and ILD inputs...
  24. ncbi request reprint From postsynaptic potentials to spikes in the genesis of auditory spatial receptive fields
    Jose Luis Pena
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Neurosci 22:5652-8. 2002
    ....
  25. ncbi request reprint Long memory in song learning by zebra finches
    Yasuko Funabiki
    Division of Biology, California Institute of Technology, Pasadena, California 91125, USA
    J Neurosci 23:6928-35. 2003
    ..The temporal order of syllables resembled the tutor model only in birds released from the noise before 80 d of age but not in older birds. Thus, different schedules and processes may govern the learning of syllable phonology and syntax...
  26. ncbi request reprint A monoclonal antibody specific to a song system nuclear antigen in estrildine finches
    E Akutagawa
    Division of Biology 216-76, California Institute of Technology, Pasadena, CA 91125, USA
    Neuron 31:545-56. 2001
    ..Antibody staining patterns in the zebra finch show that the protein's expression is developmentally regulated to coincide with the abrupt increase in the volume and cell size of the male's or the estrogen-treated female's song system...
  27. ncbi request reprint Passive soma facilitates submillisecond coincidence detection in the owl's auditory system
    Go Ashida
    Horizontal Medical Research Organization, Graduate School of Medicine, Kyoto University, Kyoto, 606 8501, Japan
    J Neurophysiol 97:2267-82. 2007
    ..Our results indicate that the owl's NL neuron uses a "passive soma" design for computational and metabolic reasons...
  28. pmc Detection of large interaural delays and its implication for models of binaural interaction
    Kourosh Saberi
    Department of Cognitive Sciences, University of California, Irvine 92697, USA
    J Assoc Res Otolaryngol 3:80-8. 2002
    ..These trajectories represent side peaks of neural ITD-tuning curves and successfully predict localization reversals by both owls and human subjects...