Scopolamine enhances generalization between odor representations in rat olfactory cortex

Learning and Memory

Volumn 8, Issue 5, 2001, Pages 279-285

  Wilson, D A ^a  

^a UNIVERSITY OF OKLAHOMA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACETYLCHOLINE; ALKANE; MUSCARINIC RECEPTOR; MUSCARINIC RECEPTOR BLOCKING AGENT; SCOPOLAMINE;

ANIMAL EXPERIMENT; ARTICLE; BRAIN MAPPING; CONTROLLED STUDY; HABITUATION; MEMORY; NERVE CELL PLASTICITY; NONHUMAN; ODOR; OLFACTORY CORTEX; OLFACTORY DISCRIMINATION; PRIORITY JOURNAL; PYRIFORM CORTEX; RAT; RECEPTIVE FIELD;

ANIMALS; ELECTROENCEPHALOGRAPHY; GENERALIZATION (PSYCHOLOGY); HABITUATION, PSYCHOPHYSIOLOGIC; MUSCARINIC ANTAGONISTS; ODORS; OLFACTORY PATHWAYS; RATS; RATS, LONG-EVANS; SCOPOLAMINE; SMELL;

EID: 0034799923     PISSN: 10720502     EISSN: None     Source Type: Journal    
DOI: 10.1101/lm.42601     Document Type: Article

References (59)

1. Conditioned and unconditioned stimuli increase frontal cortical and hippocampal acetylcholine release: Effects of novelty, habituation and fear
2. Induction of a physiological memory in the cerebral cortex by stimulation of the nucleus basalis
3. Synergistic effects of unilateral immunolesions of the cholinergic projections from the basal forebrain and contralateral ablations of the inferotemporal cortex and hippocampus in monkeys
4. Modulation of the input/output function of rat piriform cortex pyramidal cells
5. Multiple and opposing roles of cholinergic transmission in the main olfactory, bulb
6. Exposure to behaviorally relevant odour reveals differential characteristics in rat central olfactory, pathways as studied through oscillatory activities
7. Scopolamine disrupts maintenance of attention rather than memory processes
8. Alzheimer's disease: A disorder of cortical cholinergic innervation
9. Muscarinic cholinergic neuromodulation reduces proactive interference between stored odor memories during associative learning in rats
10. Odor response properties of rat olfactory receptor neurons
11. ACh-induced long-lasting enhancement in excitability of the olfactory bulb
12. Cholinergic modulation of excitability in the rat olfactory bulb: Effect of local application of cholinergic agents on evoked field potentials
13. Central cholinergic systems and cognition
14. Postacquisition scopolamine treatments reveal the time course for the formation of lamb odor recognition memory in parturient ewes
15. Cholinergic mechanisms in learning, memory and dementia: A review of recent evidence
16. Neuronal circuitry in olfactory cortex: Anatomy and functional considerations
17. Parallel-distributed processing in olfactory cortex: New insights from morphological and physiological analysis of neuronal activity
18. Cholinergic suppression specific to intrinsic not afferent fiber synapses in rat piriform (olfactory) cortex
19. Acetylcholine and memory
20. Cholinergic modulation of activity-dependent synaptic plasticity in the piriform cortex and associative memory function in a network biophysical simulation
21. Associative memory function in piriform (olfactory) cortex: Computational modeling and neuropharmacology
22. Cholinergic mechanisms in a simple test of olfactory learning in the rat
23. Coding of odor molecules by mitral/tufted cell in rabbit olfactory bulb. I. Aliphatic compounds
24. Increases in hippocampal and frontal cortical acetylcholine release associated with presentation of sensory stimuli
25. Modulation of inhibition in a model of olfactory bulb reduces overlap in the neural representation of olfactory stimuli
26. Neural activity in the horizontal limb of the diagonal band of Broca can be modulated by electrical stimulation of the olfactory bulb and cortex in rats
27. Neuromodulation and the functional dynamics of piriform cortex
28. Electrical stimulation of the horizontal limb of the diagonal band of Broca modulates population EPSP's in piriform cortex
29. Visual object recognition
30. Combinatorial receptor codes for odors
31. Neural representation of visual objects: Encoding and top-down activation
32. Neurophysiology of magnocellular forebrain inputs to the olfactory bulb in the rat: Frequency potentiation of field potentials and inhibition of output neurons
33. Dementia: Animal models of the cognitive impairments produced by degeneration of the basal forebrain cholinergic system
34. Effects of lesions in the horizontal diagonal band nucleus on olfactory habituation in the rat
35. Small cholinergic neurons within fields of cholinergic axons characterize olfactory-related regions of rat telencephalon
36. The effect of acetylcholine on rat olfactory bulb unit activity
37. Scopolamine impairs delayed matching in an olfactory task in rats
38. Scopolamine injection into the olfactory bulb impairs short-term olfactory memory in rats
39. Functions of the primate temporal lobe cortical visual areas in invariant visual object and face recognition
40. Learning and memory of odor-reward association: Selective impairment following horizontal diagonal band lesions
41. Modulation of the piriform cortex activity by the basal forebrain: An optical recording study in the rat
42. Long-lasting cholinergic modulation underlies rule learning in rats
43. Tuning specificities to aliphatic odorants in mouse olfactory receptor neurons and their local distribution
44. Information coding in the rodent prefrontal cortex. I Single-unit activity in orbitofrontal cortex compared with that in pyriform cortex
45. Functional organization of the olfactory system
46. Transection of the lateral olfactory tract does not produce anosmia
47. Role of dorsomedial thalamic nucleus and piriform cortex in processing olfactory information
48. Mechanisms of visual object recognition studied in monkeys
49. Rapid visual learning in neurones of the primate temporal visual cortex
50. Centrifugal cholinergic connections in the olfactory system of rats
51. Habituation of odor responses in the rat anterior piriform cortex
52. Synaptic correlates of odor habituation in the rat anterior piriform cortex
53. Odor specificity of habituation in the rat anterior piriform cortex
54. A comparison of odor receptive field plasticity in the rat olfactory bulb and anterior piriform cortex
55. Receptive fields in the rat piriform cortex
56. An automated two-choice test of olfactory working memory in the rat: Effect of scopolamine
57. Preserved olfactory short-term memory after combined cholinergic and serotonergic lesions using 192 IgG-saporin and 5,7-digydroxytryptamine in rats
58. Refinement of odor molecule tuning by dendrodendritic synaptic inhibition in the olfactory bulb