L P Morin

Summary

Affiliation: State University of New York
Country: USA

Publications

  1. ncbi Neuromodulator content of hamster intergeniculate leaflet neurons and their projection to the suprachiasmatic nucleus or visual midbrain
    L P Morin
    Department of Psychiatry, State University of New York, Stony Brook, NY 11794, USA
    J Comp Neurol 437:79-90. 2001
  2. ncbi Interconnections among nuclei of the subcortical visual shell: the intergeniculate leaflet is a major constituent of the hamster subcortical visual system
    L P Morin
    Department of Psychiatry, Health Science Center, Stony Brook University, New York 11794, USA
    J Comp Neurol 396:288-309. 1998
  3. ncbi Serotonin and the regulation of mammalian circadian rhythmicity
    L P Morin
    Department of Psychiatry, Health Sciences Center, State University of New York, Stony Brook 11794, USA
    Ann Med 31:12-33. 1999
  4. ncbi Retinal ganglion cell projections to the hamster suprachiasmatic nucleus, intergeniculate leaflet, and visual midbrain: bifurcation and melanopsin immunoreactivity
    Lawrence P Morin
    Department of Psychiatry, Health Science Center, State University of New York at Stony Brook, Stony Brook, NY 11794, USA
    J Comp Neurol 465:401-16. 2003
  5. ncbi Forebrain connections of the hamster intergeniculate leaflet: comparison with those of ventral lateral geniculate nucleus and retina
    L P Morin
    Department of Psychiatry, Stony Brook University, NY, USA
    Vis Neurosci 16:1037-54. 1999
  6. ncbi The intergeniculate leaflet, but not the visual midbrain, mediates hamster circadian rhythm response to constant light
    L P Morin
    Department of Psychiatry, State University of New York at Stony Brook, NY 11794 8101, USA
    J Biol Rhythms 17:217-26. 2002
  7. ncbi Intergeniculate leaflet: contributions to photic and non-photic responsiveness of the hamster circadian system
    L Muscat
    Graduate Program in Neuroscience, Stony Brook University, Stony Brook, NY 10016, USA
    Neuroscience 140:305-20. 2006
  8. ncbi Hypothalamic and zona incerta neurons expressing hypocretin, but not melanin concentrating hormone, project to the hamster intergeniculate leaflet
    L Vidal
    Department of Psychiatry and Behavioral Sciences, Health Sciences Center, Stony Brook University, Stony Brook, NY 11794 8101, USA
    Neuroscience 134:1081-90. 2005
  9. ncbi Electrical stimulation of the median or dorsal raphe nuclei reduces light-induced FOS protein in the suprachiasmatic nucleus and causes circadian activity rhythm phase shifts
    E L Meyer-Bernstein
    Graduate Program in Neurobiology and Behavior, State University of New York, Stony Brook 11794, USA
    Neuroscience 92:267-79. 1999
  10. pmc Separation of function for classical and ganglion cell photoreceptors with respect to circadian rhythm entrainment and induction of photosomnolence
    L P Morin
    Department of Psychiatry, Stony Brook University Medical Center, Stony Brook, NY, USA
    Neuroscience 199:213-24. 2011

Collaborators

Detail Information

Publications25

  1. ncbi Neuromodulator content of hamster intergeniculate leaflet neurons and their projection to the suprachiasmatic nucleus or visual midbrain
    L P Morin
    Department of Psychiatry, State University of New York, Stony Brook, NY 11794, USA
    J Comp Neurol 437:79-90. 2001
    ..In the IGL, the majority of cells studied are not identifiable by GABA immunoreactivity. Putative functions of the various neuromodulator projections from the IGL to pretectum or SCN are discussed...
  2. ncbi Interconnections among nuclei of the subcortical visual shell: the intergeniculate leaflet is a major constituent of the hamster subcortical visual system
    L P Morin
    Department of Psychiatry, Health Science Center, Stony Brook University, New York 11794, USA
    J Comp Neurol 396:288-309. 1998
    ..The IGL has a well-established role in circadian rhythm regulation, but there is as yet no known function for it in the larger context of the subcortical visual system, much of which is involved in oculomotor control...
  3. ncbi Serotonin and the regulation of mammalian circadian rhythmicity
    L P Morin
    Department of Psychiatry, Health Sciences Center, State University of New York, Stony Brook 11794, USA
    Ann Med 31:12-33. 1999
    ..The next decade is likely to see the gradual evolution of this framework as the role of serotonin in circadian rhythm regulation is further elucidated...
  4. ncbi Retinal ganglion cell projections to the hamster suprachiasmatic nucleus, intergeniculate leaflet, and visual midbrain: bifurcation and melanopsin immunoreactivity
    Lawrence P Morin
    Department of Psychiatry, Health Science Center, State University of New York at Stony Brook, Stony Brook, NY 11794, USA
    J Comp Neurol 465:401-16. 2003
    ....
  5. ncbi Forebrain connections of the hamster intergeniculate leaflet: comparison with those of ventral lateral geniculate nucleus and retina
    L P Morin
    Department of Psychiatry, Stony Brook University, NY, USA
    Vis Neurosci 16:1037-54. 1999
    ..The results further demonstrate the widespread connections of the IGL and support the idea that the IGL modulates olfactory, photic, and circadian rhythm regulation of regulatory physiology and behavior...
  6. ncbi The intergeniculate leaflet, but not the visual midbrain, mediates hamster circadian rhythm response to constant light
    L P Morin
    Department of Psychiatry, State University of New York at Stony Brook, NY 11794 8101, USA
    J Biol Rhythms 17:217-26. 2002
    ..The results may have implications for the anatomical basis of Aschoff's rule...
  7. ncbi Intergeniculate leaflet: contributions to photic and non-photic responsiveness of the hamster circadian system
    L Muscat
    Graduate Program in Neuroscience, Stony Brook University, Stony Brook, NY 10016, USA
    Neuroscience 140:305-20. 2006
    ....
  8. ncbi Hypothalamic and zona incerta neurons expressing hypocretin, but not melanin concentrating hormone, project to the hamster intergeniculate leaflet
    L Vidal
    Department of Psychiatry and Behavioral Sciences, Health Sciences Center, Stony Brook University, Stony Brook, NY 11794 8101, USA
    Neuroscience 134:1081-90. 2005
    ..At the present time there is no information regarding the function of these cells, although they may contribute to the regulation of sleep/arousal, circadian rhythmicity, or vestibulo-oculomotor function...
  9. ncbi Electrical stimulation of the median or dorsal raphe nuclei reduces light-induced FOS protein in the suprachiasmatic nucleus and causes circadian activity rhythm phase shifts
    E L Meyer-Bernstein
    Graduate Program in Neurobiology and Behavior, State University of New York, Stony Brook 11794, USA
    Neuroscience 92:267-79. 1999
    ..While serotonin is a likely neurotransmitter mediating one or both effects, alternatives such as GABA, must be considered...
  10. pmc Separation of function for classical and ganglion cell photoreceptors with respect to circadian rhythm entrainment and induction of photosomnolence
    L P Morin
    Department of Psychiatry, Stony Brook University Medical Center, Stony Brook, NY, USA
    Neuroscience 199:213-24. 2011
    ....
  11. ncbi The circadian visual system, 2005
    L P Morin
    Department of Psychiatry and Graduate Program in Neuroscience, Stony Brook University, Stony Brook, NY 11794, USA
    Brain Res Rev 51:1-60. 2006
    ..The present discussion is an extension of the material covered by the 1994 review, "The Circadian Visual System."..
  12. pmc Millisecond light pulses make mice stop running, then display prolonged sleep-like behavior in the absence of light
    L P Morin
    Department of Psychiatry, Stony Brook Medical Center, Stony Brook University, New York, USA
    J Biol Rhythms 24:497-508. 2009
    ..Given this sequence effected by light stimulation, we suggest that it be referred to as "photosomnolence," the term reflecting upon both the nature of the stimulus and the associated behavioral change...
  13. ncbi Reciprocal serotonergic connections between the hamster median and dorsal raphe nuclei
    Rebecca C Tischler
    Graduate Program in Neurobiology and Behavior, Stony Brook University, Stony Brook, NY 11794, USA
    Brain Res 981:126-32. 2003
    ..The results support the existence of a reciprocal pathway between the DR and MnR that is at least partially serotonergic...
  14. ncbi Destruction of the hamster serotonergic system by 5,7-DHT: effects on circadian rhythm phase, entrainment and response to triazolam
    L Smale
    Department of Psychiatry, State University of New York, Stony Brook 11794 8101
    Brain Res 515:9-19. 1990
    ....
  15. ncbi Complex organization of mouse and rat suprachiasmatic nucleus
    L P Morin
    Department of Psychiatry, Health Science Center, Stony Brook University, Stony Brook, NY 11794 8101, USA
    Neuroscience 137:1285-97. 2006
    ....
  16. ncbi Light augments FOS protein induction in brain of short-term enucleated hamsters
    E G Marchant
    Department of Psychiatry and Behavioral Sciences, State University of New York, Stony Brook, NY 11794, USA
    Brain Res 902:51-65. 2001
    ..The results specifically do not support a role for extraretinal photoreception with respect to direct circadian rhythm regulation...
  17. pmc Drugs that prevent mouse sleep also block light-induced locomotor suppression, circadian rhythm phase shifts and the drop in core temperature
    P Vivanco
    Department of Psychiatry, Health Science Center, Stony Brook University, Stony Brook, NY, United States
    Neuroscience 254:98-109. 2013
    ..The results raise questions concerning the manner in which drugs, activity, sleep and Tc influence behavioral and physiological responses to light. ..
  18. pmc Absence of normal photic integration in the circadian visual system: response to millisecond light flashes
    Luis Vidal
    Department of Psychiatry, Stony Brook University, Stony Brook, New York 11794, USA
    J Neurosci 27:3375-82. 2007
    ..This may involve a second input pathway different from that mediating the effects of longer, dimmer photic stimuli...
  19. ncbi Binocular contributions to the responsiveness and integrative capacity of the circadian rhythm system to light
    Louise Muscat
    Graduate Program in Neuroscience, Stony Brook University, NY 11794, USA
    J Biol Rhythms 20:513-25. 2005
    ..The mechanism of integration neither resides in the retina nor in the RHT...
  20. ncbi SCN organization reconsidered
    Lawrence P Morin
    Department of Psychiatry, Stony Brook University Medical Center, Stony Brook, NY 11794 8101, USA
    J Biol Rhythms 22:3-13. 2007
    ..The need for accurate topographical description is emphasized...
  21. ncbi Crossed and uncrossed retinal projections to the hamster circadian system
    Louise Muscat
    Graduate Program in Neurobiology and Behavior, State University of New York at Stony Brook, Stony Brook, New York 11794, USA
    J Comp Neurol 466:513-24. 2003
    ..This issue is discussed in the context of the melanopsin-containing retinal ganglion cell projections to several nuclei in the circadian visual system...
  22. ncbi Functional analysis of the role of the median raphe as a regulator of hamster circadian system sensitivity to light
    Louise Muscat
    Graduate Program in Neuroscience, Stony Brook University, Stony Brook, NY 11794, USA
    Brain Res 1044:59-66. 2005
    ..The results are consistent with behavioral and physiological evidence implicating serotonin as an inhibitory modulator of the effects of light on circadian rhythmicity...
  23. ncbi Intergeniculate leaflet and ventral lateral geniculate nucleus afferent connections: An anatomical substrate for functional input from the vestibulo-visuomotor system
    Seth S Horowitz
    Department of Psychiatry and Behavioral Sciences, Stony Brook University, Stony Brook, New York 11794, USA
    J Comp Neurol 474:227-45. 2004
    ..The results suggest that the IGL may be part of the circuitry governing visuomotor activity and further indicate that circadian rhythmicity might be influenced by head motion or visual stimuli that affect the vestibular system...
  24. ncbi Medial vestibular connections with the hypocretin (orexin) system
    Seth S Horowitz
    Department of Psychiatry, Stony Brook University, Stony Brook, New York 11794, USA
    J Comp Neurol 487:127-46. 2005
    ....
  25. ncbi Descending projections of the hamster intergeniculate leaflet: relationship to the sleep/arousal and visuomotor systems
    Lawrence P Morin
    Department of Psychiatry, Stony Brook University, Stony Brook, New York 11794, USA
    J Comp Neurol 487:204-16. 2005
    ....