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Items: 1 to 50 of 100

1.

The dorsal hippocampus mediates synaptic destabilization and memory lability in the amygdala in the absence of contextual novelty.

Ferrara NC, Trask S, Pullins SE, Helmstetter FJ.

Neurobiol Learn Mem. 2019 Sep 26:107089. doi: 10.1016/j.nlm.2019.107089. [Epub ahead of print]

PMID:
31563610
2.

GluR2 endocytosis-dependent protein degradation in the amygdala mediates memory updating.

Ferrara NC, Jarome TJ, Cullen PK, Orsi SA, Kwapis JL, Trask S, Pullins SE, Helmstetter FJ.

Sci Rep. 2019 Mar 26;9(1):5180. doi: 10.1038/s41598-019-41526-1.

3.

Cortico-limbic connectivity changes following fear extinction and relationships with trait anxiety.

Belleau EL, Pedersen WS, Miskovich TA, Helmstetter FJ, Larson CL.

Soc Cogn Affect Neurosci. 2018 Oct 25;13(10):1037-1046. doi: 10.1093/scan/nsy073.

4.

Context memory formation requires activity-dependent protein degradation in the hippocampus.

Cullen PK, Ferrara NC, Pullins SE, Helmstetter FJ.

Learn Mem. 2017 Oct 16;24(11):589-596. doi: 10.1101/lm.045443.117. Print 2017 Nov.

5.

Corrigendum: Psychopaths Show Enhanced Amygdala Activation during Fear Conditioning.

Schultz DH, Balderston NL, Baskin-Sommers AR, Larson CL, Helmstetter FJ.

Front Psychol. 2017 Aug 22;8:1457. doi: 10.3389/fpsyg.2017.01457. eCollection 2017.

6.

Input from the medial geniculate nucleus modulates amygdala encoding of fear memory discrimination.

Ferrara NC, Cullen PK, Pullins SP, Rotondo EK, Helmstetter FJ.

Learn Mem. 2017 Aug 16;24(9):414-421. doi: 10.1101/lm.044131.116. Print 2017 Sep.

7.

Updating Procedures Can Reorganize the Neural Circuit Supporting a Fear Memory.

Kwapis JL, Jarome TJ, Ferrara NC, Helmstetter FJ.

Neuropsychopharmacology. 2017 Jul;42(8):1688-1697. doi: 10.1038/npp.2017.23. Epub 2017 Jan 31.

8.

Fluorescence laminar optical tomography for brain imaging: system implementation and performance evaluation.

Azimipour M, Sheikhzadeh M, Baumgartner R, Cullen PK, Helmstetter FJ, Chang WJ, Pashaie R.

J Biomed Opt. 2017 Jan 1;22(1):16003. doi: 10.1117/1.JBO.22.1.016003.

9.

The effects of stimulus novelty and negativity on BOLD activity in the amygdala, hippocampus, and bed nucleus of the stria terminalis.

Pedersen WS, Balderston NL, Miskovich TA, Belleau EL, Helmstetter FJ, Larson CL.

Soc Cogn Affect Neurosci. 2017 May 1;12(5):748-757. doi: 10.1093/scan/nsw178.

10.

Hippocampal interactions with brain networks that influence learning & memory.

Hannula DE, Helmstetter FJ.

Neurobiol Learn Mem. 2016 Oct;134 Pt A:1-4. doi: 10.1016/j.nlm.2016.08.018. Epub 2016 Aug 22. No abstract available.

PMID:
27565289
11.

Eye movements are captured by a perceptually simple conditioned stimulus in the absence of explicit contingency knowledge.

Hopkins LS, Helmstetter FJ, Hannula DE.

Emotion. 2016 Dec;16(8):1157-1171. Epub 2016 Jun 27.

PMID:
27348496
12.

Psychopaths Show Enhanced Amygdala Activation during Fear Conditioning.

Schultz DH, Balderston NL, Baskin-Sommers AR, Larson CL, Helmstetter FJ.

Front Psychol. 2016 Mar 10;7:348. doi: 10.3389/fpsyg.2016.00348. eCollection 2016. Erratum in: Front Psychol. 2017 Aug 22;8:1457.

13.

CaMKII regulates proteasome phosphorylation and activity and promotes memory destabilization following retrieval.

Jarome TJ, Ferrara NC, Kwapis JL, Helmstetter FJ.

Neurobiol Learn Mem. 2016 Feb;128:103-9. doi: 10.1016/j.nlm.2016.01.001. Epub 2016 Jan 9.

14.

Eye Movements Index Implicit Memory Expression in Fear Conditioning.

Hopkins LS, Schultz DH, Hannula DE, Helmstetter FJ.

PLoS One. 2015 Nov 12;10(11):e0141949. doi: 10.1371/journal.pone.0141949. eCollection 2015.

15.

The retrosplenial cortex is involved in the formation of memory for context and trace fear conditioning.

Kwapis JL, Jarome TJ, Lee JL, Helmstetter FJ.

Neurobiol Learn Mem. 2015 Sep;123:110-6. doi: 10.1016/j.nlm.2015.06.007. Epub 2015 Jun 14.

16.

Contextual Information Drives the Reconsolidation-Dependent Updating of Retrieved Fear Memories.

Jarome TJ, Ferrara NC, Kwapis JL, Helmstetter FJ.

Neuropsychopharmacology. 2015 Dec;40(13):3044-52. doi: 10.1038/npp.2015.161. Epub 2015 Jun 11.

17.

Functionally distinct amygdala subregions identified using DTI and high-resolution fMRI.

Balderston NL, Schultz DH, Hopkins L, Helmstetter FJ.

Soc Cogn Affect Neurosci. 2015 Dec;10(12):1615-22. doi: 10.1093/scan/nsv055. Epub 2015 May 11.

18.

The role of the medial prefrontal cortex in trace fear extinction.

Kwapis JL, Jarome TJ, Helmstetter FJ.

Learn Mem. 2014 Dec 15;22(1):39-46. doi: 10.1101/lm.036517.114. Print 2014 Jan.

19.

Protein degradation and protein synthesis in long-term memory formation.

Jarome TJ, Helmstetter FJ.

Front Mol Neurosci. 2014 Jun 26;7:61. doi: 10.3389/fnmol.2014.00061. eCollection 2014. Review.

20.

Prefrontal cortical regulation of fear learning.

Gilmartin MR, Balderston NL, Helmstetter FJ.

Trends Neurosci. 2014 Aug;37(8):455-64. doi: 10.1016/j.tins.2014.05.004. Epub 2014 Jun 11. Review.

21.

Rapid amygdala responses during trace fear conditioning without awareness.

Balderston NL, Schultz DH, Baillet S, Helmstetter FJ.

PLoS One. 2014 May 13;9(5):e96803. doi: 10.1371/journal.pone.0096803. eCollection 2014.

22.

The ubiquitin-specific protease 14 (USP14) is a critical regulator of long-term memory formation.

Jarome TJ, Kwapis JL, Hallengren JJ, Wilson SM, Helmstetter FJ.

Learn Mem. 2013 Dec 16;21(1):9-13. doi: 10.1101/lm.032771.113. Erratum in: Learn Mem. 2014 Feb;21(2):127.

23.

Memory formation for trace fear conditioning requires ubiquitin-proteasome mediated protein degradation in the prefrontal cortex.

Reis DS, Jarome TJ, Helmstetter FJ.

Front Behav Neurosci. 2013 Oct 23;7:150. doi: 10.3389/fnbeh.2013.00150. eCollection 2013.

24.

Does PKM(zeta) maintain memory?

Kwapis JL, Helmstetter FJ.

Brain Res Bull. 2014 Jun;105:36-45. doi: 10.1016/j.brainresbull.2013.09.005. Epub 2013 Sep 26. Review.

25.

Extinguishing trace fear engages the retrosplenial cortex rather than the amygdala.

Kwapis JL, Jarome TJ, Lee JL, Gilmartin MR, Helmstetter FJ.

Neurobiol Learn Mem. 2014 Sep;113:41-54. doi: 10.1016/j.nlm.2013.09.007. Epub 2013 Sep 18.

26.

CaMKII, but not protein kinase A, regulates Rpt6 phosphorylation and proteasome activity during the formation of long-term memories.

Jarome TJ, Kwapis JL, Ruenzel WL, Helmstetter FJ.

Front Behav Neurosci. 2013 Aug 30;7:115. doi: 10.3389/fnbeh.2013.00115. eCollection 2013.

27.

Prefrontal activity links nonoverlapping events in memory.

Gilmartin MR, Miyawaki H, Helmstetter FJ, Diba K.

J Neurosci. 2013 Jun 26;33(26):10910-4. doi: 10.1523/JNEUROSCI.0144-13.2013.

28.

How to detect amygdala activity with magnetoencephalography using source imaging.

Balderston NL, Schultz DH, Baillet S, Helmstetter FJ.

J Vis Exp. 2013 Jun 3;(76). doi: 10.3791/50212.

29.

Dissociation between implicit and explicit responses in postconditioning UCS revaluation after fear conditioning in humans.

Schultz DH, Balderston NL, Geiger JA, Helmstetter FJ.

Behav Neurosci. 2013 Jun;127(3):357-68. doi: 10.1037/a0032742.

30.
31.

The effect of threat on novelty evoked amygdala responses.

Balderston NL, Schultz DH, Helmstetter FJ.

PLoS One. 2013 May 3;8(5):e63220. doi: 10.1371/journal.pone.0063220. Print 2013.

32.

Memory accuracy predicts hippocampal mTOR pathway activation following retrieval of contextual fear memory.

Gafford GM, Parsons RG, Helmstetter FJ.

Hippocampus. 2013 Sep;23(9):842-7. doi: 10.1002/hipo.22140. Epub 2013 Jun 4.

33.

The ubiquitin-proteasome system as a critical regulator of synaptic plasticity and long-term memory formation.

Jarome TJ, Helmstetter FJ.

Neurobiol Learn Mem. 2013 Oct;105:107-16. doi: 10.1016/j.nlm.2013.03.009. Epub 2013 Apr 25. Review.

34.

Resting-state connectivity of the amygdala is altered following Pavlovian fear conditioning.

Schultz DH, Balderston NL, Helmstetter FJ.

Front Hum Neurosci. 2012 Aug 23;6:242. doi: 10.3389/fnhum.2012.00242. eCollection 2012.

35.

The timing of multiple retrieval events can alter GluR1 phosphorylation and the requirement for protein synthesis in fear memory reconsolidation.

Jarome TJ, Kwapis JL, Werner CT, Parsons RG, Gafford GM, Helmstetter FJ.

Learn Mem. 2012 Jun 20;19(7):300-6. doi: 10.1101/lm.024901.111.

36.

Intra-amygdala infusion of the protein kinase Mzeta inhibitor ZIP disrupts foreground context fear memory.

Kwapis JL, Jarome TJ, Gilmartin MR, Helmstetter FJ.

Neurobiol Learn Mem. 2012 Sep;98(2):148-53. doi: 10.1016/j.nlm.2012.05.003. Epub 2012 May 31.

37.

Trace and contextual fear conditioning are impaired following unilateral microinjection of muscimol in the ventral hippocampus or amygdala, but not the medial prefrontal cortex.

Gilmartin MR, Kwapis JL, Helmstetter FJ.

Neurobiol Learn Mem. 2012 May;97(4):452-64. doi: 10.1016/j.nlm.2012.03.009. Epub 2012 Mar 26.

38.

Memory consolidation in both trace and delay fear conditioning is disrupted by intra-amygdala infusion of the protein synthesis inhibitor anisomycin.

Kwapis JL, Jarome TJ, Schiff JC, Helmstetter FJ.

Learn Mem. 2011 Oct 25;18(11):728-32. doi: 10.1101/lm.023945.111. Print 2011 Nov.

39.

Activity dependent protein degradation is critical for the formation and stability of fear memory in the amygdala.

Jarome TJ, Werner CT, Kwapis JL, Helmstetter FJ.

PLoS One. 2011;6(9):e24349. doi: 10.1371/journal.pone.0024349. Epub 2011 Sep 22.

40.

Consolidation and reconsolidation of contextual fear memory requires mammalian target of rapamycin-dependent translation in the dorsal hippocampus.

Gafford GM, Parsons RG, Helmstetter FJ.

Neuroscience. 2011 May 19;182:98-104. doi: 10.1016/j.neuroscience.2011.03.023. Epub 2011 Mar 22.

41.

The human amygdala plays a stimulus specific role in the detection of novelty.

Balderston NL, Schultz DH, Helmstetter FJ.

Neuroimage. 2011 Apr 15;55(4):1889-98. doi: 10.1016/j.neuroimage.2011.01.034. Epub 2011 Jan 20.

42.

Classical conditioning of autonomic fear responses is independent of contingency awareness.

Schultz DH, Helmstetter FJ.

J Exp Psychol Anim Behav Process. 2010 Oct;36(4):495-500. doi: 10.1037/a0020263.

43.

Regulation of extinction-related plasticity by opioid receptors in the ventrolateral periaqueductal gray matter.

Parsons RG, Gafford GM, Helmstetter FJ.

Front Behav Neurosci. 2010 Aug 3;4. pii: 44. doi: 10.3389/fnbeh.2010.00044. eCollection 2010.

44.

Conditioning with masked stimuli affects the timecourse of skin conductance responses.

Balderston NL, Helmstetter FJ.

Behav Neurosci. 2010 Aug;124(4):478-89. doi: 10.1037/a0019927.

45.

Time-dependent expression of Arc and zif268 after acquisition of fear conditioning.

Lonergan ME, Gafford GM, Jarome TJ, Helmstetter FJ.

Neural Plast. 2010;2010:139891. doi: 10.1155/2010/139891. Epub 2010 May 26.

46.

Trace and contextual fear conditioning require neural activity and NMDA receptor-dependent transmission in the medial prefrontal cortex.

Gilmartin MR, Helmstetter FJ.

Learn Mem. 2010 May 26;17(6):289-96. doi: 10.1101/lm.1597410. Print 2010 Jun.

47.

Chronic stress selectively reduces hippocampal volume in rats: a longitudinal magnetic resonance imaging study.

Lee T, Jarome T, Li SJ, Kim JJ, Helmstetter FJ.

Neuroreport. 2009 Nov 25;20(17):1554-8. doi: 10.1097/WNR.0b013e328332bb09.

48.

Introgression of Brown Norway chromosome 1 onto the fawn hooded hypertensive background rescues long-term fear memory deficits.

Jarome TJ, Kwapis JL, Nye SH, Helmstetter FJ.

Behav Genet. 2010 Jan;40(1):85-92. doi: 10.1007/s10519-009-9297-5. Epub 2009 Sep 16.

49.

Protein kinase Mzeta maintains fear memory in the amygdala but not in the hippocampus.

Kwapis JL, Jarome TJ, Lonergan ME, Helmstetter FJ.

Behav Neurosci. 2009 Aug;123(4):844-50. doi: 10.1037/a0016343.

50.

An updated unified pharmacophore model of the benzodiazepine binding site on gamma-aminobutyric acid(a) receptors: correlation with comparative models.

Clayton T, Chen JL, Ernst M, Richter L, Cromer BA, Morton CJ, Ng H, Kaczorowski CC, Helmstetter FJ, Furtmüller R, Ecker G, Parker MW, Sieghart W, Cook JM.

Curr Med Chem. 2007;14(26):2755-75. Review.

PMID:
18045122

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