Role of the hippocampus in memory functioning: modern view
DOI:
https://doi.org/10.14739/2310-1210.2017.6.115318Keywords:
hippocampus, memory, glucocorticoids, mental disordersAbstract
The purpose of this review was to develop the comprehensive conception of the hippocampus role in the functioning of human memory, based on data obtained by analysis of the latest scientific literature on the topic and make recommendations for further ways of researches in this topic. The scientific literature of the last 5 years on the role of the hippocampus in memory functioning was analyzed.
Based on the reviewed literature, we made the next conclusions: the hippocampus is an extremely important for memory structure with various connections for different types of memory; the hippocampus is affected by a variety of substances, most studied now are glucocorticosteroids, whose effect on memory differs depending on the start time of action; the hippocampus volume in mental disorders affecting memory is less than normal, which makes it an important diagnostic criterion; at the moment, various promising methods that can help in the therapy of PTSD, depression, phobias and other disorders associated with memory impairment and based on the knowledge of the hippocampus for the treatment of memory disorders are being developed. Based on these conclusions and data, which were analyzed, we offered the following recommendations: to implement the hippocampal function examination in the diagnostics of mental disorders, which are accompanied by a violation of its work; to use the size of the hippocampus as one of the prognostic factors for the severity of the memory-associated disorders and the therapy progress; to carefully investigate the difference in the effect of various psychotherapies and pharmacotherapies on the hippocampus to determine exactly which of the therapies is the most morphologically reasonable; to find out how significant the decrease in the hippocampal volume is for the memory functioning; to use pathogenetically and morphologically based methods to improve the function of the hippocampus in the treatment of disorders that are accompanied by memory problems.
References
Backus, A., Schoffelen, J., Szebényi, S., Hanslmayr, S., & Doeller, C. (2016). Hippocampal-Prefrontal Theta Oscillations Support Memory Integration. Current Biology, 26(4), 450–457. doi: http://dx.doi.org/10.1016/j.cub.2015.12.048.
Bekinschtein, P., Cammarota, M., Katche, C., Slipczuk, L., Rossato, J., & Goldin, A., et al. (2008). BDNF is essential to promote persistence of long-term memory storage. Proceedings Of The National Academy Of Sciences, 105(7), 2711–2716. doi: 10.1073/pnas.0711863105.
Bremner, J., Narayan, M., Anderson, E., Staib, L., Miller, H., & Charney, D. (2000). Hippocampal Volume Reduction in Major Depression. American Journal Of Psychiatry, 157(1), 115–118. doi: 10.1176/ajp.157.1.115.
de Quervain, D., Schwabe, L., & Roozendaal, B. (2016). Stress, glucocorticoids and memory: implications for treating fear-related disorders. Nature Reviews Neuroscience, 18(1), 7–19. doi: 10.1038/nrn.2016.155.
Finsterwald, C., & Alberini, C. (2014). Stress and glucocorticoid receptor-dependent mechanisms in long-term memory: From adaptive responses to psychopathologies. Neurobiology Of Learning And Memory, 112, 17–29. doi: 10.1016/j.nlm.2013.09.017.
Irle, E., Ruhleder, M., Lange, C., Seidler-Brandler, U., Salzer, S., Dechent, P., et al. (2010). Reduced amygdalar and hippocampal size in adults with generalized social phobia. Journal Of Psychiatry And Neuroscience, 35(2), 126–131. doi: 10.1503/jpn.090041.
Jacobs, J., Miller, J., Lee, S., Coffey, T., Watrous, A., Sperling, M., et al. (2016). Direct Electrical Stimulation of the Human Entorhinal Region and Hippocampus Impairs Memory, Neuron, 92(5), 983–990. doi: 10.1016/j.neuron.2016.10.062.
Kim, K., Ekstrom, A., & Tandon, N. (2016). A network approach for modulating memory processes via direct and indirect brain stimulation: Toward a causal approach for the neural basis of memory. Neurobiology Of Learning And Memory, 134, 162–177. http://dx.doi.org/10.1016/j.nlm.2016.04.001
Krogh, J., Rostrup, E., Thomsen, C., Elfving, B., Videbech, P., & Nordentoft, M. (2014). The effect of exercise on hippocampal volume and neurotrophines in patients with major depression–A randomized clinical trial. Journal Of Affective Disorders, 165, 24–30. doi: 10.1016/j.jad.2014.04.041.
Levy-Gigi, E., Szabo, C., Richter-Levin, G., & Kéri, S. (2015). Reduced hippocampal volume is associated with overgeneralization of negative context in individuals with PTSD. Neuropsychology, 29(1), 151–161. doi: 10.1037/neu0000131.
Mahar, I., Bambico, F., Mechawar, N., & Nobrega, J. (2014). Stress, serotonin, and hippocampal neurogenesis in relation to depression and antidepressant effects. Neuroscience & Biobehavioral Reviews, 38, 173–192. doi: 10.1016/j.neubiorev.2013.11.009.
Mello-Carpes, P., da Silva de Vargas, L., Gayer, M., Roehrs, R., & Izquierdo, I. (2016). Hippocampal noradrenergic activation is necessary for object recognition memory consolidation and can promote BDNF increase and memory persistence. Neurobiology of Learning and Memory, 127, 84–92. doi: 10.1016/j.nlm.2015.11.014.
Mello-Carpes, P., & Izquierdo, I. (2013). The Nucleus of the Solitary Tract→NucleusParagigantocellularis→Locus Coeruleus→CA1 region of dorsal hippocampus pathway is important for consolidation of object recognition memory. Neurobiology of Learning and Memory, 100, 55–63. doi: 10.1016/j.nlm.2012.12.002.
Moroni, F., Nobili, L., Iaria, G., Sartori, I., Marzano, C., Tempesta, D. et al. (2014). Hippocampal slow EEG frequencies during NREM sleep are involved in spatial memory consolidation in humans. Hippocampus, 24(10), 1157–1168. doi: 10.1002/hipo.22299.
Morrone Parfitt, G., Barbosa, Â., Campos, R., Koth, A., & Barros, D. (2012). Moderate stress enhances memory persistence: Are adrenergic mechanisms involved? Behavioral Neuroscience, 126(5), 729–734. doi: 10.1037/a0029861.
Nelson, M., & Tumpap, A. (2016). Posttraumatic stress disorder symptom severity is associated with left hippocampal volume reduction: a meta-analytic study. CNS Spectrums, 1–10. doi: 10.1017/S1092852916000833.
Okuyama, T., Kitamura, T., Roy, D., Itohara, S., & Tonegawa, S. (2016). Ventral CA1 neurons store social memory. Science, 353(6307), 1536–1541. doi: 10.1126/science.aaf7003.
Reinecke, A., Thilo, K., Filippini, N., Croft, A., & Harmer, C. (2014). Predicting rapid response to cognitive-behavioural treatment for panic disorder: The role of hippocampus, insula, and dorsolateral prefrontal cortex. Behaviour Research And Therapy, 62, 120–128. doi: 10.1016/j.brat.2014.07.017.
Robin, J., Hirshhorn, M., Rosenbaum, R., Winocur, G., Moscovitch, M., & Grady, C. (2014). Functional connectivity of hippocampal and prefrontal networks during episodic and spatial memory based on real-world environments. Hippocampus, 25(1), 81–93. doi: 10.1002/hipo.22352.
Rubin, M., Shvil, E., Papini, S., Chhetry, B., Helpman, L., Markowitz, J. et al. (2016). Greater hippocampal volume is associated with PTSD treatment response. Psychiatry Research: Neuroimaging, 252, 36–39. doi: 10.1016/j.pscychresns.2016.05.001.
Schwabe, L., & Wolf, O. (2013). Stress and multiple memory systems: from ‘thinking’ to ‘doing’. Trends in Cognitive Sciences, 17(2), 60–68. doi: 10.1016/j.tics.2012.12.001.
Scoville, W., & Milner, B. (1957). Loss of recent memory after bilateral hippocampal lesions. Journal Of Neurology, Neurosurgery & Psychiatry, 20(1), 11–21.
Suthana, N., & Fried, I. (2014). Deep brain stimulation for enhancement of learning and memory. Neuroimage, 85, 996–1002. doi: 10.1016/j.neuroimage.2013.07.066.
Tanaka, K., Pevzner, A., Hamidi, A., Nakazawa, Y., Graham, J., & Wiltgen, B. (2014). Cortical Representations Are Reinstated by the Hippocampus during Memory Retrieval. Neuron, 84(2), 347–354. doi: 10.1016/j.neuron.2014.09.037.
van Rooij, S., Kennis, M., Sjouwerman, R., van den Heuvel, M., Kahn, R., & Geuze, E. (2015). Smaller hippocampal volume as a vulnerability factor for the persistence of post-traumatic stress disorder. Psychological Medicine, 45(13), 2737–2746. doi: 10.1017/S0033291715000707.
Zeidman, P., & Maguire, E. (2016). Anterior hippocampus: the anatomy of perception, imagination and episodic memory. Nature Reviews Neuroscience, 17(3), 173–182. doi: 10.1038/nrn.2015.24.
Zoladz, P., & Diamond, D. (2016). Psychosocial predator stress model of PTSD based on clinically relevant risk factors for trauma-induced psychopathology. In J. Bremner, Posttraumatic Stress Disorder: From Neurobiology to Treatment (pp. 125–143). New York: John Wiley & Sons, Inc.
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