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File - Psychology@Phoenix P12
File - Psychology@Phoenix P12

... formed memories. If Jarrod were to study physics this may interfere with the retrieval of the previously formed memory of specialist maths. Subjects which are more similar in nature such as physics and specialist maths will be more likely to interfere with each other than subjects which are quite di ...
Neurulation I (Pevny)
Neurulation I (Pevny)

... Folding around the mhp is called elevation Folding around the dlhps is called conversion ...
6.12 Dorsal and Ventral Streams in the Sense of Touch
6.12 Dorsal and Ventral Streams in the Sense of Touch

... Later studies of these pathways by Milner A. D. and Goodale M. A. (1995) suggested a more sophisticated view, based on their clinical studies of patients with lesions localized to the parietal or temporal cortex. They proposed that the ventral stream forms a vision-for-cognition pathway that allows ...
document
document

... numbers in 10 seconds: 48, 31, 45, 76, 97, 84, 26, 12, 67, which numbers will she most likely remember? a. 84, 45 b. 48, 67 c. 12, 31 ...
Olfactory Coding in the Honeybee Lateral Horn
Olfactory Coding in the Honeybee Lateral Horn

... the shape of the activated LH region (see Figure 1B) corresponded to the pattern of projections of l-APT neurons, which innervate the most rostral region of the LH [12]. We then analyzed the spatial organization of odor signals in the LH. Figure 2A shows activity patterns recorded in one animal upon ...
Signal Propagation and Logic Gating in Networks of Integrate
Signal Propagation and Logic Gating in Networks of Integrate

... rather than reporting the values of ⌬gex and ⌬ginh, which are the synaptic strengths, we report the resulting EPSP and IPSP sizes. These are obtained within the active network from spike-triggered average membrane potentials of postsynaptic neurons after spikes evoked within individual network neuro ...
ANS: c, p. 42, F, LO=2.1, (1)
ANS: c, p. 42, F, LO=2.1, (1)

... Incorrect. Synaptic vesicles are structures within the synaptic knobs. c) synapses d) receptor sites ANS: a, p. 47, F, LO=2.2, (2) % correct 59 a= 59 b= 15 c= 3 d= 22 r = .48 37. What is the term used to describe the rounded areas on the ends of the axon terminals? a) synaptic vesicles Incorrect. Sy ...
disparity detection from stereo
disparity detection from stereo

... through either an explicit search or implicit gradient-based search. They are generally called explicit matching approaches. Category (1) fails to perform well in image regions with weak texture or when a patch of the image is missing in either of left or right images (i.e., occlusion), as it requir ...
Brain Imaging Alterations in Posttraumatic Stress Disorder
Brain Imaging Alterations in Posttraumatic Stress Disorder

... with PTSD are compared to traumaexposed or trauma-naïve controls critically affects the conclusions of these studies,17,25 underscoring the critical importance of including both types of control groups to differentiate effects of trauma exposure from those of maladaptive responses to trauma. These r ...
Tang et al - Pro Aid Autisme
Tang et al - Pro Aid Autisme

... (t-S6), and the autophagosome marker LC3 and p62 (Figures 2A and 2F) in frozen BA21 brain samples from age-, gender-, and PMI- matched ASD patients and controls (demographic data in Table S3). To determine the relationship between mTOR activity and density of dendritic spines, we examined the protei ...
How Do We See the World?
How Do We See the World?

... his head followed. The headache could persist for as long ...
effects of levels of processing information on retention of learnt
effects of levels of processing information on retention of learnt

... A core variable that makes learning possible is human memory. All learning experiences are first encoded through the sensory memory. Processing, retention and retrieval of what has been learnt is only possible through all the memory processes. As vital as human memory is in enabling learners learn, ...
A neuronal network model of primary visual cortex explains spatial
A neuronal network model of primary visual cortex explains spatial

... handedness, are placed upon a square, as in previous versions. In our present model, the spatial pattern of LGN input to a single model neuron is side-by-side elongated sub-regions. We put spatial frequency information into the construction of those elongated regions by allowing different sub-region ...
- Journal of Adolescent Health
- Journal of Adolescent Health

... the hippocampus in the pathophysiology of PTSS, specifically as they relate to learning from previous experience. Animal research has shown that one potential mechanism of damage to the hippocampus is through corticosterone, the animal analog to cortisol in humans, which can be neurotoxic if secreted ...
View/Open - Minerva Access
View/Open - Minerva Access

... owl. We demonstrate a similar selective potentiation for the recurrent connections in a network with axonal delays corresponding to the period of incoming oscillatory activity with frequencies in the range of 100-300Hz. For lower frequency oscillations, such as gamma (60Hz), we show that multiple, r ...
A review of alpha activity in integrative brain function: Fundamental
A review of alpha activity in integrative brain function: Fundamental

... of brain oscillations (Gray and Singer, 1989; Freeman, 1975). Further to the work of Mountcastle (1992, 1998), Bullock et al. (2005) and Bullock (2006) discussed recent evidence suggesting that the neuron doctrine, conceived nearly a century ago by Ramon y Cajal, cannot encompass important aspects o ...
THE ENACTMENT EFFECT
THE ENACTMENT EFFECT

... between the characteristics of memory traces and the encoding operations performed a t input. It also highlights th a t the goodness of a particular encoding operation depends on the nature of the cues present at retrieval. Thus, given the assumption th a t a retrieval cue is effective only to the e ...
ANS: c, p. 42, F, LO=2.1, (1)
ANS: c, p. 42, F, LO=2.1, (1)

... Neurons and Nerves: Building the Network 3. The two main divisions of the nervous system are the ________ and ________. a) brain; spinal cord b) autonomic; somatic nervous systems Incorrect. The autonomic and somatic nervous systems are divisions of the peripheral nervous system. c) peripheral nerv ...
Methods of Studying The Nervous System
Methods of Studying The Nervous System

... – Multiple unit recording provides an indication of the rate of firing of many neurons in the general vicinity of the electrode tip – An electrode larger than a microelectrode picks up the action potentials from many nearby neurons – The signal is integrated so that the height of the curve indicates ...
View PDF - CiteSeerX
View PDF - CiteSeerX

... adjacent elements of a sequence (e.g., Wickelgren, 1965) and cues that consist entirely of the preceding response (upper illustration in Fig. 1A). There are several immediate objections to such models. For example, how do they handle sequences with a repeated element, in which two different elements ...
Efferent connections of the parabigeminal nucleus to the amygdala
Efferent connections of the parabigeminal nucleus to the amygdala

... retrogradely transported to the cells of origin of the afferent pathways of the central Am nucleus in numerous regions (Usunoff et al., 2006), among those also the Pbg. The Pbg–Am connection is bilateral (Figs. 1c, d). On the ipsilateral side, the Pbg–Am neurons are concentrated in the central porti ...
Laminar Cortical Dynamics of Cognitive and Motor Working Memory
Laminar Cortical Dynamics of Cognitive and Motor Working Memory

... italics. The proposed function of each region is shown in plain text and names of components that are modeled in this paper are underlined. Model connectivity has been simplified. A more detailed specification is provided in Sections 4 and 5 and in Figure 2. Abbreviations: MGN, thalamic medial genic ...
From Thought to Action
From Thought to Action

... modulated via an intervening network of many neurons. Colloquially, the modulation of membrane potentials is referred to as "information processing" when examined within a neuron or network, and "communication" when described as occuring between neurons or networks. These word choices have inspired ...
Mirror neuron functioning: an explanation for
Mirror neuron functioning: an explanation for

... observation the motor circuit produces an “activation pattern” that is also produced when the observer executes this particular action (Gallese, 2001). In other words; our motor system becomes activated as if we are performing an action, when in fact we are only observing one. This observation-execu ...
Theta rhythm and the encoding and retrieval of space and time ⁎ Michael E. Hasselmo , Chantal E. Stern
Theta rhythm and the encoding and retrieval of space and time ⁎ Michael E. Hasselmo , Chantal E. Stern

... of these studies show power changes in low theta and delta ranges, in contrast to higher theta frequencies found in animals. This article will focus on data from animals, as the topic of theta rhythm in humans is addressed in other reviews in this special issue by Ranganath, Ekstrom and Sederberg an ...
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Holonomic brain theory

The holonomic brain theory, developed by neuroscientist Karl Pribram initially in collaboration with physicist David Bohm, is a model of human cognition that describes the brain as a holographic storage network. Pribram suggests these processes involve electric oscillations in the brain's fine-fibered dendritic webs, which are different from the more commonly known action potentials involving axons and synapses. These oscillations are waves and create wave interference patterns in which memory is encoded naturally, and the waves may be analyzed by a Fourier transform. Gabor, Pribram and others noted the similarities between these brain processes and the storage of information in a hologram, which can also be analyzed with a Fourier transform. In a hologram, any part of the hologram with sufficient size contains the whole of the stored information. In this theory, a piece of a long-term memory is similarly distributed over a dendritic arbor so that each part of the dendritic network contains all the information stored over the entire network. This model allows for important aspects of human consciousness, including the fast associative memory that allows for connections between different pieces of stored information and the non-locality of memory storage (a specific memory is not stored in a specific location, i.e. a certain neuron).
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