Synaptic function: Dendritic democracy
... of origin in the dendrites to the soma and into the axon before they can influence neuronal output. Dendrites behave rather like leaky electrical cables, however, in that they filter electrical signals passing through them. As a consequence, when they arrive at the soma, synaptic potentials generate ...
... of origin in the dendrites to the soma and into the axon before they can influence neuronal output. Dendrites behave rather like leaky electrical cables, however, in that they filter electrical signals passing through them. As a consequence, when they arrive at the soma, synaptic potentials generate ...
Human brainstem preganglionic parasympathetic
... ~10 mm rostral to the obex, the ventral cell group was no longer present, whereas the dorsal group was still quite well developed, now situated medial to the nucleus tractus solitarius (Fig. 2F and G). At the level 9 mm rostral to the obex, only a few large NOS-positive neurons were found medial to ...
... ~10 mm rostral to the obex, the ventral cell group was no longer present, whereas the dorsal group was still quite well developed, now situated medial to the nucleus tractus solitarius (Fig. 2F and G). At the level 9 mm rostral to the obex, only a few large NOS-positive neurons were found medial to ...
![[10] P. Paul, J de Belleroche, The role of D-amino acids in](http://s1.studyres.com/store/data/022394228_1-c70b74890df8cd7f8a841431fb6562f6-300x300.png)
[10] P. Paul, J de Belleroche, The role of D-amino acids in
... What are the unique properties of human motor neurones that underlie their selective ...
... What are the unique properties of human motor neurones that underlie their selective ...
Calcium Binding Protein-Like lmmunoreactivity Labels the Terminal
... hyde). In the one exception, the fixative was 10% unbuffered formolsaline. Brains were stereotaxically blocked, removed, stored for 4-8 hr in fixative containing sucrose (30%), and cut frozen on a sliding microtome at 30 µm in the coronal plane. Sections were collected and stored in ice-cold 0.1 M P ...
... hyde). In the one exception, the fixative was 10% unbuffered formolsaline. Brains were stereotaxically blocked, removed, stored for 4-8 hr in fixative containing sucrose (30%), and cut frozen on a sliding microtome at 30 µm in the coronal plane. Sections were collected and stored in ice-cold 0.1 M P ...
Biologically Inspired Adaptive Dynamic Walking of the Quadruped
... pointed out that relatively large feet are necessary and that a body of which inertia is very large must be swung by actuators to keep stability. In an inverted pendulum model-based method, such disadvantages are pointed out that delay of control leads a robot to fall down, and there exists an upper ...
... pointed out that relatively large feet are necessary and that a body of which inertia is very large must be swung by actuators to keep stability. In an inverted pendulum model-based method, such disadvantages are pointed out that delay of control leads a robot to fall down, and there exists an upper ...
Specialization within the ventral stream: The case for the visual word
... stances. Their argument relies almost exclusively on the overlap of data from different groups of subjects scanned with PET. However, such data are typically generated with a spatial smoothness of 15 mm in PET group studies. In this context, the finding of overlap between word-related and non-word-r ...
... stances. Their argument relies almost exclusively on the overlap of data from different groups of subjects scanned with PET. However, such data are typically generated with a spatial smoothness of 15 mm in PET group studies. In this context, the finding of overlap between word-related and non-word-r ...
PDF preprint - The Computational Neurobiology Laboratory
... pressure on the eyeballs (Tyler, 1978), in “near death” experiences (Blackmore, 1992), and most strikingly, shortly after taking hallucinogens containing ingredients such as LSD, cannabis, mescaline, or psilocybin (Siegel & Jarvik, 1975). The images do not move with the eyes and sometimes are fixed i ...
... pressure on the eyeballs (Tyler, 1978), in “near death” experiences (Blackmore, 1992), and most strikingly, shortly after taking hallucinogens containing ingredients such as LSD, cannabis, mescaline, or psilocybin (Siegel & Jarvik, 1975). The images do not move with the eyes and sometimes are fixed i ...
PERSPECTIVES
... originate mainly in the precentral motor cortex, these data indicate that human motor cortex is activated both during the execution of a motor task and during action observation. This finding strongly supports the existence of an action observation/execution matching system in humans. Another body o ...
... originate mainly in the precentral motor cortex, these data indicate that human motor cortex is activated both during the execution of a motor task and during action observation. This finding strongly supports the existence of an action observation/execution matching system in humans. Another body o ...
The Brain, Consciousness, and the Afterlife
... follows: “A scientist physically affects quantum systems by choosing which properties to study. Similarly, an observer can hold in place a chosen brain activity that would otherwise be fleeting. This shows that the mind and brain may not be one and the same.”[56] Christianity, Judaism, Islam, and ot ...
... follows: “A scientist physically affects quantum systems by choosing which properties to study. Similarly, an observer can hold in place a chosen brain activity that would otherwise be fleeting. This shows that the mind and brain may not be one and the same.”[56] Christianity, Judaism, Islam, and ot ...
Spatial Responsiveness of Monkey Hippocampal Neurons to
... Andersen, 1987; Goldman-Rakic, 19871, mainly via the parahippocampal cortices (PH) (Jones and Powell, 1970; Van Hoesen, 1982; Amaral, 1987; Tranel et al., 1988). Recent results indicate that the HF, and the system to which it belongs, are essential for acquisition, relation, combination, and conjunc ...
... Andersen, 1987; Goldman-Rakic, 19871, mainly via the parahippocampal cortices (PH) (Jones and Powell, 1970; Van Hoesen, 1982; Amaral, 1987; Tranel et al., 1988). Recent results indicate that the HF, and the system to which it belongs, are essential for acquisition, relation, combination, and conjunc ...
Modulation of Sympathetic and Somatomotor Function by the
... and heart rate. For these measures, stimulus-evoked changes were calculated as the difference of the maximum value during the poststimulus period (⫹30 s) minus the resting value. The tachycardia evoked by paw heat was somewhat variable and was observed in most, but not all (66/79), animals. Heart ra ...
... and heart rate. For these measures, stimulus-evoked changes were calculated as the difference of the maximum value during the poststimulus period (⫹30 s) minus the resting value. The tachycardia evoked by paw heat was somewhat variable and was observed in most, but not all (66/79), animals. Heart ra ...
Nervous System
... Swelling from the inflammatory response May compress and kill brain tissue ...
... Swelling from the inflammatory response May compress and kill brain tissue ...
SCENTS AND SENSIBILITY: A MOLECULAR LOGIC OF OLFACTORY PERCEPTION
... meaningful neural output: thoughts and behavior. In olfaction, the sensory input is extremely well defined and consists of chemicals of precise molecular structure. The character of the input in olfaction is far simpler than that of a visual image, for example, which consists of contour, texture, co ...
... meaningful neural output: thoughts and behavior. In olfaction, the sensory input is extremely well defined and consists of chemicals of precise molecular structure. The character of the input in olfaction is far simpler than that of a visual image, for example, which consists of contour, texture, co ...
Subcircuit-specific neuromodulation in the prefrontal cortex
... et al., 2011). Recently, it has become evident that L5 PT and IT neurons within rodent PFC possess distinct intrinsic properties, local connectivity, and long-range inputs. Although most of these differences have been characterized in rodents, different categories of PFC pyramidal neurons are also p ...
... et al., 2011). Recently, it has become evident that L5 PT and IT neurons within rodent PFC possess distinct intrinsic properties, local connectivity, and long-range inputs. Although most of these differences have been characterized in rodents, different categories of PFC pyramidal neurons are also p ...
Neuroscience and Behavior
... What makes a Neuron “fire”? An action potential is an all-or-nothing event; the neuron fires completely or doesn’t fire at all and each time it fires, the impulse is of the same strength. This is known as the all-or-none principle. To help illustrate this point, think of a row of dominoes that are ...
... What makes a Neuron “fire”? An action potential is an all-or-nothing event; the neuron fires completely or doesn’t fire at all and each time it fires, the impulse is of the same strength. This is known as the all-or-none principle. To help illustrate this point, think of a row of dominoes that are ...
Primary Motor Cortex
... *Functional Areas of the Cerebral Cortex • The three types of functional areas are: • Motor areas—control voluntary movement • Sensory areas—conscious awareness of sensation • Association areas—integrate diverse information ...
... *Functional Areas of the Cerebral Cortex • The three types of functional areas are: • Motor areas—control voluntary movement • Sensory areas—conscious awareness of sensation • Association areas—integrate diverse information ...
Primary Motor Cortex
... *Functional Areas of the Cerebral Cortex • The three types of functional areas are: • Motor areas—control voluntary movement • Sensory areas—conscious awareness of sensation • Association areas—integrate diverse information ...
... *Functional Areas of the Cerebral Cortex • The three types of functional areas are: • Motor areas—control voluntary movement • Sensory areas—conscious awareness of sensation • Association areas—integrate diverse information ...
The ventral striatum - Brain imaging of Parkinson`s disease
... sex, or “positive emotion”) or to avoid (pain or “negative emotion”), as well as selecting among alternative goals and actions. In this last conception, the nucleus accumbens seems to function as an interface between motivation and action [4]. Over the past several years, a large number of neuroimag ...
... sex, or “positive emotion”) or to avoid (pain or “negative emotion”), as well as selecting among alternative goals and actions. In this last conception, the nucleus accumbens seems to function as an interface between motivation and action [4]. Over the past several years, a large number of neuroimag ...
The Switch of Subthalamic Neurons From an Irregular to a Bursting
... recordings with microiontophoresis, a seven-barrel micropipette (12–15 m tip diameter) was glued alongside a recording electrode, as described previously (Akaoka et al., 1992). Four different barrels were filled with one of the following solutions: GABA (400 mM, pH 4), bicuculline methiodide (GABAA ...
... recordings with microiontophoresis, a seven-barrel micropipette (12–15 m tip diameter) was glued alongside a recording electrode, as described previously (Akaoka et al., 1992). Four different barrels were filled with one of the following solutions: GABA (400 mM, pH 4), bicuculline methiodide (GABAA ...
The representation of Kanizsa illusory contours in the monkey
... temporal (IT) cortex, researchers have used stimulus-reduction to find the features determining the responses of IT cells (Tanaka, 1992; Sugase et al., 1999). In earlier studies we systematically removed the surface-determining features of complex, coloured stimuli. We removed the colour (Tompa et al ...
... temporal (IT) cortex, researchers have used stimulus-reduction to find the features determining the responses of IT cells (Tanaka, 1992; Sugase et al., 1999). In earlier studies we systematically removed the surface-determining features of complex, coloured stimuli. We removed the colour (Tompa et al ...
Kandel ch. 42 - Weizmann Institute of Science
... connected to the dorsal aspect of the brain stem by three symmetrical pairs of tracts: the inferior cerebellar peduncle (also called the restiform body), the middle cerebellar peduncle (or brachium pontis), and the superior cerebellar peduncle (or brachium conjunctivum). The superior cerebellar pedu ...
... connected to the dorsal aspect of the brain stem by three symmetrical pairs of tracts: the inferior cerebellar peduncle (also called the restiform body), the middle cerebellar peduncle (or brachium pontis), and the superior cerebellar peduncle (or brachium conjunctivum). The superior cerebellar pedu ...
PDF
... Martin, 1991; Douglas et al., 1989). Subsequent studies demonstrated that the most frequently connected cells were located in the same layer, whereas interlaminar connections are dominated by feedforward connections from L4 to L3 and from L3 to L5 (Thomson et al., 2002; reviewed by Bastos et al., 20 ...
... Martin, 1991; Douglas et al., 1989). Subsequent studies demonstrated that the most frequently connected cells were located in the same layer, whereas interlaminar connections are dominated by feedforward connections from L4 to L3 and from L3 to L5 (Thomson et al., 2002; reviewed by Bastos et al., 20 ...
Animal responses to the environment
... Nerve impulses are conducted from the cell body along a single axon to the terminal branches. Ends of terminal branches do not touch the dendrites of the neurons in the spinal cord because of a gap. Ends of terminal branches of axons contain neurotransmitters which are released into the synapse when ...
... Nerve impulses are conducted from the cell body along a single axon to the terminal branches. Ends of terminal branches do not touch the dendrites of the neurons in the spinal cord because of a gap. Ends of terminal branches of axons contain neurotransmitters which are released into the synapse when ...