brain –computer interface - Nexus Academic Publishers
... EEG, and at the same time has lower technical difficulty, lower clinical risk, and probably superior long-term stability than intracortical single-neuron recording. This feature profile and recent evidence of the high level of control with minimal training requirements shows potential for real world ...
... EEG, and at the same time has lower technical difficulty, lower clinical risk, and probably superior long-term stability than intracortical single-neuron recording. This feature profile and recent evidence of the high level of control with minimal training requirements shows potential for real world ...
Action potential
... “Information” travels within the nervous system as propagated electrical signals (action potentials) The most important information (vision, balance, motor commands) is carried by large-diameter, ...
... “Information” travels within the nervous system as propagated electrical signals (action potentials) The most important information (vision, balance, motor commands) is carried by large-diameter, ...
19 TROCHLEAR NUCLEUS (C.N. IV)
... One of the major efferent projections of the superior colliculus is to the CERVICAL SPINAL CORD. This TECTOSPINAL TRACT arises from cells within the intermediate and deep layers, crosses at midbrain levels and courses caudally through the midbrain, pons and medulla close to the MLF (we do not identi ...
... One of the major efferent projections of the superior colliculus is to the CERVICAL SPINAL CORD. This TECTOSPINAL TRACT arises from cells within the intermediate and deep layers, crosses at midbrain levels and courses caudally through the midbrain, pons and medulla close to the MLF (we do not identi ...
Stress effects on memory
... of the learned material (Payne et al., 2007) or the interval between the stressful episode and the learning experience (Diamond et al., 2007). Another important factor might be whether the memory is tested immediately after learning when noradrenaline levels peak, slightly later when particularly gl ...
... of the learned material (Payne et al., 2007) or the interval between the stressful episode and the learning experience (Diamond et al., 2007). Another important factor might be whether the memory is tested immediately after learning when noradrenaline levels peak, slightly later when particularly gl ...
Rnd family genes are differentially regulated by 3,4 - HAL
... neurite branching in PC12 cells has been demonstrated (Fujita et al., 2002). The effect observed here in the prefrontal cortex suggest a stimulation of neurite branching in the case of cocaine in this structure. The mRNA level of Rnd3 was affected by the two drugs tested in the three structures at d ...
... neurite branching in PC12 cells has been demonstrated (Fujita et al., 2002). The effect observed here in the prefrontal cortex suggest a stimulation of neurite branching in the case of cocaine in this structure. The mRNA level of Rnd3 was affected by the two drugs tested in the three structures at d ...
Neural basis of sensorimotor learning: modifying
... task where target color was no longer relevant, most of these neurons maintained their newly acquired sensitivity to the learned colors (as opposed to control colors, not used in learning; see Figure 2). This study implies that when an arbitrary sensory feature becomes behaviorally relevant, it can ...
... task where target color was no longer relevant, most of these neurons maintained their newly acquired sensitivity to the learned colors (as opposed to control colors, not used in learning; see Figure 2). This study implies that when an arbitrary sensory feature becomes behaviorally relevant, it can ...
Nervous System I
... A neuron may have many dendrites, but only one axon. In most neurons the axon arises from the cell body as a coneshaped thickening called the axon hillock. The cytoplasm of the axon includes many mitochondria, microtubules, and neurofibrils (ribosomes are found only in the cell body). The axon may g ...
... A neuron may have many dendrites, but only one axon. In most neurons the axon arises from the cell body as a coneshaped thickening called the axon hillock. The cytoplasm of the axon includes many mitochondria, microtubules, and neurofibrils (ribosomes are found only in the cell body). The axon may g ...
Chapter 103: Application Of Imaging Technologies In The
... MRI is an imaging instrument that can distinguish elements in tissue on the basis of their magnetic properties. This information can be used to obtain images that reflect brain structure, brain function, or chemical composition. Information on structure in the brain can be obtained on the basis of d ...
... MRI is an imaging instrument that can distinguish elements in tissue on the basis of their magnetic properties. This information can be used to obtain images that reflect brain structure, brain function, or chemical composition. Information on structure in the brain can be obtained on the basis of d ...
Multiple Modes of Action Potential Initiation and Propagation in
... primary dendrite plays an important role in transmitting distal olfactory nerve input from olfactory glomerulus to the soma-axon initial segment. To understand how dendritic active properties are involved in this transmission, we have combined dual soma and dendritic patch recordings with computatio ...
... primary dendrite plays an important role in transmitting distal olfactory nerve input from olfactory glomerulus to the soma-axon initial segment. To understand how dendritic active properties are involved in this transmission, we have combined dual soma and dendritic patch recordings with computatio ...
Control of movement direction - Cognitive Science Research Group
... In the introduction to this chapter, it was mentioned that a long–standing controversy in biological motor control is the question about whether muscle dynamics or movement kinematics are represented in the motor cortex (Kalaska et al., 1992; Johnson et al., 2001; Flash and Sejnowski, 2001). The deb ...
... In the introduction to this chapter, it was mentioned that a long–standing controversy in biological motor control is the question about whether muscle dynamics or movement kinematics are represented in the motor cortex (Kalaska et al., 1992; Johnson et al., 2001; Flash and Sejnowski, 2001). The deb ...
Small Networks
... • “Noise…poses a fundamental problem for information processing and affects all aspects of nervous-system function.” (Faisal et al, 2008) • In the context of the “neural code”… – For rate code: “variations in inter-spike intervals might be considered unwanted noise.” – For temporal code: “variabilit ...
... • “Noise…poses a fundamental problem for information processing and affects all aspects of nervous-system function.” (Faisal et al, 2008) • In the context of the “neural code”… – For rate code: “variations in inter-spike intervals might be considered unwanted noise.” – For temporal code: “variabilit ...
A functional magnetic resonance study
... decreased correlations between cortex such as ACC and limbic regions such as MTHAL. Decreased connectivity was used to insist their hypothesis that decreased cortical regulation of limbic activation in response to negative mood stimuli may be present.9,10 However, different analysis procedures focus ...
... decreased correlations between cortex such as ACC and limbic regions such as MTHAL. Decreased connectivity was used to insist their hypothesis that decreased cortical regulation of limbic activation in response to negative mood stimuli may be present.9,10 However, different analysis procedures focus ...
Various Approaches to Decision Making
... well-defined preferences of behaviors as well as obeys certain axioms of rational processes. The axiomatic approach plays an important role in formulating these theories of decision making. In this process, theories of decision making are often formulated in terms of deterministic axioms. But these a ...
... well-defined preferences of behaviors as well as obeys certain axioms of rational processes. The axiomatic approach plays an important role in formulating these theories of decision making. In this process, theories of decision making are often formulated in terms of deterministic axioms. But these a ...
Violations of information structure: An
... introduces new or newly activated information into the current discourse. Since the status of information as ‘‘new’’ is often vague and open to question, focus can be defined operationally as a well-formed answer to a wh(or information) question (e.g. Lambrecht, 1994; Rochemont, 1998; Selkirk, 1996) ...
... introduces new or newly activated information into the current discourse. Since the status of information as ‘‘new’’ is often vague and open to question, focus can be defined operationally as a well-formed answer to a wh(or information) question (e.g. Lambrecht, 1994; Rochemont, 1998; Selkirk, 1996) ...
BSCI338N, Spring 2013, Dr. Singer
... nerve ending has encapsulated afferent fiber (amplified transducer) which expands sensory SA different receptor types have different field sizes on different skin surfaces to detect textures, skin motion, vibration, or skin stretch two-point discrimination: calipers test integrity of somatosensory i ...
... nerve ending has encapsulated afferent fiber (amplified transducer) which expands sensory SA different receptor types have different field sizes on different skin surfaces to detect textures, skin motion, vibration, or skin stretch two-point discrimination: calipers test integrity of somatosensory i ...
Source Memory Enhancement for Emotional Words
... which some information was presented (for a review, see Johnson, Hashtroudi, & Lindsay, 1993). In everyday situations, source memory can include such things as the location where the information was encountered or the individual who presented the information. Such information can be obtained inciden ...
... which some information was presented (for a review, see Johnson, Hashtroudi, & Lindsay, 1993). In everyday situations, source memory can include such things as the location where the information was encountered or the individual who presented the information. Such information can be obtained inciden ...
Lecture 6: Single neuron models
... McCulloch and Pitts knew that spikes (action potential) somehow carry information through the brain: each spike would represent a binary 1 each lack of spike would represent a binary 0 They showed how spikes could be combined to do logical and arithmetical operations From modern perspective there is ...
... McCulloch and Pitts knew that spikes (action potential) somehow carry information through the brain: each spike would represent a binary 1 each lack of spike would represent a binary 0 They showed how spikes could be combined to do logical and arithmetical operations From modern perspective there is ...
Just do it! How performing an action enhances remembering in
... including if it is supported by episodic memory. There are two main schools of thought: according to Engelkamp(2001), participants first have to plan the action, involving motor and visual information. This multimodal theory is supported by the advantage of SPTs over experimenter-performed tasks (EP ...
... including if it is supported by episodic memory. There are two main schools of thought: according to Engelkamp(2001), participants first have to plan the action, involving motor and visual information. This multimodal theory is supported by the advantage of SPTs over experimenter-performed tasks (EP ...
REVIEWS - Institute for Applied Psychometrics
... in working memory (current) is compared with that in reference memory. b | The model explains the scalar property (FIG. 2) by assuming that the estimation error increases in proportion to the criterion duration (green area). c–e | The effects of the D2 dopamine receptor antagonist haloperidol are co ...
... in working memory (current) is compared with that in reference memory. b | The model explains the scalar property (FIG. 2) by assuming that the estimation error increases in proportion to the criterion duration (green area). c–e | The effects of the D2 dopamine receptor antagonist haloperidol are co ...
Episodic memory in primates
... know if the bird is experiencing a sense of the past when retrieving the information. Thus, their criteria bypass one of the fundamental features of Tulving’s concept of episodic memory, that is, the “mental time travel,” or reexperiencing of the past. Acknowledging this, Clayton and Dickinson [1998 ...
... know if the bird is experiencing a sense of the past when retrieving the information. Thus, their criteria bypass one of the fundamental features of Tulving’s concept of episodic memory, that is, the “mental time travel,” or reexperiencing of the past. Acknowledging this, Clayton and Dickinson [1998 ...
Neuropsychologia Hippocampal activation during episodic and
... and nonspatial, and neither autobiographical nor spatial. Once again, similar hippocampal activation was observed for all three category types, regardless of the inclusion of spatial or autobiographical content. We conclude that the distinction between semantic and episodic memory is more complex th ...
... and nonspatial, and neither autobiographical nor spatial. Once again, similar hippocampal activation was observed for all three category types, regardless of the inclusion of spatial or autobiographical content. We conclude that the distinction between semantic and episodic memory is more complex th ...