Impaired associative learning in schizophrenia: behavioral and
... persistent prefrontal activity needed to maintain representations in working memory (Hazy et al. 2007). Concurrent activity within the medial temporal lobe may be needed to create a-modal traces of bound associations (Law et al. 2005). Experimental work using in vivo imaging studies has highlighted ...
... persistent prefrontal activity needed to maintain representations in working memory (Hazy et al. 2007). Concurrent activity within the medial temporal lobe may be needed to create a-modal traces of bound associations (Law et al. 2005). Experimental work using in vivo imaging studies has highlighted ...
Amsterdam Brn Adapt View P3
... equivalent to that of neurons in the developing and mature brain and that modifications of these cellular elements may be brought about by experience. It also suggests that multiple forms of plasticity may occur at the synapse. In short, while memory researchers largely focus on naturallyand artific ...
... equivalent to that of neurons in the developing and mature brain and that modifications of these cellular elements may be brought about by experience. It also suggests that multiple forms of plasticity may occur at the synapse. In short, while memory researchers largely focus on naturallyand artific ...
Chapter 19 study Questions key
... context (context A) but extinguished in a different context (context B). Normal rats display renewed fear of the CS if they are tested in context A, but display no fear if tested in context B. In contrast, rats with damage to the hippocampus do not display renewed fear to the CS when tested in conte ...
... context (context A) but extinguished in a different context (context B). Normal rats display renewed fear of the CS if they are tested in context A, but display no fear if tested in context B. In contrast, rats with damage to the hippocampus do not display renewed fear to the CS when tested in conte ...
Stressed Memories - Journal of Neuroscience
... ing criteria were excluded from participation: effectiveness of stress induction. Memory was tested 24 h later in a cued recall test. S, Saliva sample; P, PANAS questionnaire history of head injury, treatment with psycho- (Watson et al., 1988). tropic medications, narcotics, -blockers, steall detai ...
... ing criteria were excluded from participation: effectiveness of stress induction. Memory was tested 24 h later in a cued recall test. S, Saliva sample; P, PANAS questionnaire history of head injury, treatment with psycho- (Watson et al., 1988). tropic medications, narcotics, -blockers, steall detai ...
A Neural Model of Rule Generation in Inductive Reasoning
... and using it to communicate well. However, this is in direct contradiction to the experimental evidence, which shows the RPM strongly and consistently correlating with other measures of fluid intelligence (Marshalek et al., 1983), and psychometric/neuroimaging practice, which uses the RPM as an inde ...
... and using it to communicate well. However, this is in direct contradiction to the experimental evidence, which shows the RPM strongly and consistently correlating with other measures of fluid intelligence (Marshalek et al., 1983), and psychometric/neuroimaging practice, which uses the RPM as an inde ...
Lecture 1 - TeachLine
... both cells such that A's efficiency, as one of the cells firing B, is increased” ...
... both cells such that A's efficiency, as one of the cells firing B, is increased” ...
in search of memory traces
... The “earliest” conditioned brain responses (i.e., those appearing with the shortest latencies after application of the CS) might thus be considered to be “at the site” of conditioning, and other later conditioned brain responses might be considered to be secondary to them. Similarly (and hopefully v ...
... The “earliest” conditioned brain responses (i.e., those appearing with the shortest latencies after application of the CS) might thus be considered to be “at the site” of conditioning, and other later conditioned brain responses might be considered to be secondary to them. Similarly (and hopefully v ...
Steroids: The Brain`s Response
... They can also have a profound effect on reproductive organs and hormones. Many of the effects of steroids are brought about through their actions in the brain. Once steroids enter the brain, they are distributed to many regions, including the hypothalamus and limbic system. When a person takes stero ...
... They can also have a profound effect on reproductive organs and hormones. Many of the effects of steroids are brought about through their actions in the brain. Once steroids enter the brain, they are distributed to many regions, including the hypothalamus and limbic system. When a person takes stero ...
Selective cognitive dysfunction in acetylcholine M
... (d) Baseline activity (arbitrary units based on pixel change scored by computer) during the 4 min before the first shock on the first conditioning day is shown. M1 mutants did not differ from littermate controls. (e) Contextual memory was assessed by giving naive mice two tone–shock pairings after a ...
... (d) Baseline activity (arbitrary units based on pixel change scored by computer) during the 4 min before the first shock on the first conditioning day is shown. M1 mutants did not differ from littermate controls. (e) Contextual memory was assessed by giving naive mice two tone–shock pairings after a ...
Hippocampus, cortex, and basal ganglia: Insights
... underlying mechanisms are the same across all areas. Specifically, our models are all implemented within the Leabra framework (O’Reilly, 1998; O’Reilly & Munakata, 2000), which includes a coherent set of basic neural processing and learning mechanisms that have been developed by different researchers ...
... underlying mechanisms are the same across all areas. Specifically, our models are all implemented within the Leabra framework (O’Reilly, 1998; O’Reilly & Munakata, 2000), which includes a coherent set of basic neural processing and learning mechanisms that have been developed by different researchers ...
Mechanisms underlying working memory for novel information
... underlie working memory [11–13,57] and encoding into episodic memory [24,25,56]. Working memory Biophysical compartmental simulations of layer II non-stellate neurons [13] demonstrate how the Alonso current can underlie the sustained delay period spiking in the entorhinal cortex seen with extracellu ...
... underlie working memory [11–13,57] and encoding into episodic memory [24,25,56]. Working memory Biophysical compartmental simulations of layer II non-stellate neurons [13] demonstrate how the Alonso current can underlie the sustained delay period spiking in the entorhinal cortex seen with extracellu ...
Joint EuroSPIN/NeuroTime Meeting 2013, January 14
... Classical fear conditioning is one of the most powerful models to study the neuronal substrates of associative learning in the mammalian brain. The amygdala is generally acknowledged to be the key structure in classical fear conditioning. In my project I will focus on the role of the Central Amygdal ...
... Classical fear conditioning is one of the most powerful models to study the neuronal substrates of associative learning in the mammalian brain. The amygdala is generally acknowledged to be the key structure in classical fear conditioning. In my project I will focus on the role of the Central Amygdal ...
A quantitative theory of neural computation Cambridge, MA 02138
... the vision hierarchy require the capabilities of some form of hierarchical memory formation. Unfortunately, we do not know of any such system for which all of the parameters d, k and r/n, have been measured. However, the results of Quian Quiroga, et al. (2005) do imply estimates for r/n in human med ...
... the vision hierarchy require the capabilities of some form of hierarchical memory formation. Unfortunately, we do not know of any such system for which all of the parameters d, k and r/n, have been measured. However, the results of Quian Quiroga, et al. (2005) do imply estimates for r/n in human med ...
File - cbcpsychology
... Are any variables other than the IV that has had an effect on the DV thus compromising the results of the experiment. They occur when you have results that can’t be attributed to the I.V alone! They are systematic, that is they take effect right throughout the experiment The effects of the v ...
... Are any variables other than the IV that has had an effect on the DV thus compromising the results of the experiment. They occur when you have results that can’t be attributed to the I.V alone! They are systematic, that is they take effect right throughout the experiment The effects of the v ...
Remembering or Forgetting: The Lifetime of Memories
... inhibitory neurons tell other neurons to be silent and inactive (Figure 3A). Without inhibitory neurons, our brain would have too much activity going on and would not work properly. Some inhibitory neurons contact an enormous number of other neurons. When we looked in more detail, we discovered that ...
... inhibitory neurons tell other neurons to be silent and inactive (Figure 3A). Without inhibitory neurons, our brain would have too much activity going on and would not work properly. Some inhibitory neurons contact an enormous number of other neurons. When we looked in more detail, we discovered that ...
3.05 Neural Substrates of Remembering – Electroencephalographic
... in memory paradigms when a large number of components overlap with each other in the same time range. Indeed, when subjects engage a wide variety of cognitive transactions over an extended time interval, as is likely the case in many of the interesting paradigms cognitive neuroscientists choose to s ...
... in memory paradigms when a large number of components overlap with each other in the same time range. Indeed, when subjects engage a wide variety of cognitive transactions over an extended time interval, as is likely the case in many of the interesting paradigms cognitive neuroscientists choose to s ...
Decoding the Contents of Visual Short
... The voting-table approach binarizes the output of the pairwise classifiers and feeds it into a vote, whereas the individual accuracies are simply averaged here. We choose this averaging approach because by omitting the binarization the information from the pairwise classifiers is better retained. Fo ...
... The voting-table approach binarizes the output of the pairwise classifiers and feeds it into a vote, whereas the individual accuracies are simply averaged here. We choose this averaging approach because by omitting the binarization the information from the pairwise classifiers is better retained. Fo ...
intro_12 - Gatsby Computational Neuroscience Unit
... e. Learning. We know a lot of facts (LTP, LTD, STDP). • it’s not clear which, if any, are relevant. • the relationship between learning rules and computation is essentially unknown. Theorists are starting to develop unsupervised learning algorithms, mainly ones that maximize mutual information. The ...
... e. Learning. We know a lot of facts (LTP, LTD, STDP). • it’s not clear which, if any, are relevant. • the relationship between learning rules and computation is essentially unknown. Theorists are starting to develop unsupervised learning algorithms, mainly ones that maximize mutual information. The ...
Post Traumatic Stress Disorder What Happens in the Brain?
... from its original wartime definition to include all people, not just soldiers. It can result from a single or prolonged life-threatening event. The memory can bury itself deep in the mind and, for years afterward, torment the person with all kinds of strange unexplained feelings. Some people come th ...
... from its original wartime definition to include all people, not just soldiers. It can result from a single or prolonged life-threatening event. The memory can bury itself deep in the mind and, for years afterward, torment the person with all kinds of strange unexplained feelings. Some people come th ...
Eyeblink Conditioning: From Reflex to Consciousness
... • Slices allow intracellular study of neurons and synapses. • Hippocampus is needed for new long-term declarative memories in humans. • LTP plasticity has many properties of memory. • Problem: Circuits into and out of hippocampus aren’t known, so the functions of neurons aren’t known. ...
... • Slices allow intracellular study of neurons and synapses. • Hippocampus is needed for new long-term declarative memories in humans. • LTP plasticity has many properties of memory. • Problem: Circuits into and out of hippocampus aren’t known, so the functions of neurons aren’t known. ...
1 Behavioral Dynamics of Episodic Memory
... be described in detail, including both the anatomical components and the physiological data. The primary focus of subsequent sections will be describing how neural circuits can encode and retrieve an episode as a spatiotemporal trajectory along with associated events. Thus, my goal is to write the b ...
... be described in detail, including both the anatomical components and the physiological data. The primary focus of subsequent sections will be describing how neural circuits can encode and retrieve an episode as a spatiotemporal trajectory along with associated events. Thus, my goal is to write the b ...
17-1 Chapter 17 ACTIVITIES INVOLVING THE CEREBRAL
... self, family, or country. The person may not even be aware that the evaluation is occurring. Emotion is either pleasant or unpleasant and need not be the same to every individual. It is expressed outwardly in the form of facial expressions, gestures, vocalizations, body postures, and other movements ...
... self, family, or country. The person may not even be aware that the evaluation is occurring. Emotion is either pleasant or unpleasant and need not be the same to every individual. It is expressed outwardly in the form of facial expressions, gestures, vocalizations, body postures, and other movements ...
Yale Review of Undergraduate Research in
... In a sleep deprivation study, subjects were put into two groups following a learning task; one group was allowed to have a full night’s sleep, while the other group was sleep-deprived for 24 hours. The subjects were then imaged using fMRI 48 hours later whilst recalling wordpairs (Gais et al., 2007) ...
... In a sleep deprivation study, subjects were put into two groups following a learning task; one group was allowed to have a full night’s sleep, while the other group was sleep-deprived for 24 hours. The subjects were then imaged using fMRI 48 hours later whilst recalling wordpairs (Gais et al., 2007) ...
hebbRNN: A Reward-Modulated Hebbian Learning Rule for
... Software Archive: http://dx.doi.org/10.5281/zenodo.154745 ...
... Software Archive: http://dx.doi.org/10.5281/zenodo.154745 ...