Cross references: Lamprey Nervous System
Lamprey Motor Nerves Thalamus Motor Relay Lamprey Striatum Lamprey Nucleus Accumbens Lamprey Locomotion Diencephaloreticular Transmission Lamprey GABA , GABA/Glycine Inhibition , Tonic Inhibition , Behavioral Disinhibition Inhibition of Locomotion in Lampreys Reticulospinal Transmission Ventral Thalamus Subpallidal Area/Region Pallium Searching Google for "lamprey thalamus" found 229,000 references. Searching PubMed for "lamprey thalamus" found 49 references: http://www.ncbi.nlm.nih.gov/pubmed/?term=lamprey+thalamus 29<49 1997 Diencephalic projection to reticulospinal neurons involved in the initiation of locomotion in adult lampreys Lampetra fluviatilis. http://www.ncbi.nlm.nih.gov/pubmed/9421142 "The projections from the Ventral Thalamus to the reticulospinal neurons in the PRRN and MRRN thus provide excitatory inputs to the reticulospinal neurons, which, in turn, can activate the spinal circuits underlying locomotion." See Initiation of Locomotion in Lampreys
for full Abstract, Related citations, Cited by's and a Brief Summary. 26<49 1998 Diencephalic and mesencephalic projections to rhombencephalic reticular nuclei in lampreys. http://www.ncbi.nlm.nih.gov/pubmed/9748487 This makes it sound as though behavior is initiated in the rhombencephalon, which is way below the NAC, GP, STN, Th, PTc and Tec . See:
Diencephaloreticular Transmission for full Abstract and Related citations . 14<49 2007 Descending GABAergic projections to the mesencephalic locomotor region in the lamprey Petromyzon marinus. http://www.ncbi.nlm.nih.gov/pubmed/17226790 My comments: This paper provides strong support to my impression that release of
GABAergic inhibition is an important, and perhaps even necessary, part
of behavior. See: GABA/Glycine Inhibition . |