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Nervous and Endocrine System
Nervous and Endocrine System

... into the synapse  Nerve impulses travel from the dendrite through the cell to the axon terminal (one direction only)  Nerve impulses travel through the cell as electrical signals ...
Chapter 24 Late Adulthood Cognitive Development
Chapter 24 Late Adulthood Cognitive Development

... • Older adults who were better at working memory and multitasking used their prefrontal cortex, those who were worse did not. • Multitasking slows down people of every age, but older adults more so. • Older adults usually need to concentrate on one ...
Invitation to the Life Span by Kathleen Stassen Berger
Invitation to the Life Span by Kathleen Stassen Berger

... • Older adults who were better at working memory and multitasking used their prefrontal cortex, those who were worse did not. • Multitasking slows down people of every age, but older adults more so. • Older adults usually need to concentrate on one ...
Invitation to the Life Span by Kathleen Stassen Berger
Invitation to the Life Span by Kathleen Stassen Berger

... • Older adults who were better at working memory and multitasking used their prefrontal cortex, those who were worse did not. • Multitasking slows down people of every age, but older adults more so. • Older adults usually need to concentrate on one ...
BIOLOGICAL BASES OF BEHAVIOR
BIOLOGICAL BASES OF BEHAVIOR

... where they attach to specific receptor sites on dendrites, like a key fitting into a lock. • Some of the synapses are excitatory, where an action potential is generated and the message gets sent., and some are inhibitory, preventing neural impulses. • The constant flow of these neuro-chemical impuls ...
The Neurophysiological Basis of Learning and Memory in Advanced
The Neurophysiological Basis of Learning and Memory in Advanced

... appears to be organized as a simple feed-forward fanout fan-in type of network. This type of network architecture is frequently found among biological and artificial networks that learn to classify inputs when endowed with the synaptic plasticity that creates learning ability.35 The first fan-out sy ...
Nonneurolnal cells engineered to express neuroligins
Nonneurolnal cells engineered to express neuroligins

... scaffolding and signaling molecules, possibly via the PDZ-binding motif at the C-terminus. This scaffold may then signal the assembly of the exocytotic machinery and recruit additional neurexins and thereby neuroligins to form an expanding contact zone. Postsynaptic neuroligin-1 oligomers may contri ...
Neuron Anatomy
Neuron Anatomy

... • Associated with the morphological asymmetry is that chemical synapses are, for the most part, unidirectional. • There is a delay of a msec or more between the arrival of information at the presynaptic terminal and its transfer to the postsynaptic cell. This delay may reflect the several steps requ ...
The Central Nervous System (outline, introduction)
The Central Nervous System (outline, introduction)

... midbrain and cerebellum. All sensory pathways pass through the Thalamus and are relayed to various areas throughout the brain. The thalamus accomplishes this by filtering incoming information and deciding what to pass on or not to pass on to ...
Plasticity and nativism: Towards a resolution of
Plasticity and nativism: Towards a resolution of

... It would certainly be convenient for nativists if fertilized eggs contained a blueprint for building the brain. Just as an architectural blueprint might specify exactly where every room and corridor in some new office building might be placed, one might imagine the fertilized egg bearing a neural bl ...
Plasticity and nativism: Towards a resolution of
Plasticity and nativism: Towards a resolution of

... It would certainly be convenient for nativists if fertilized eggs contained a blueprint for building the brain. Just as an architectural blueprint might specify exactly where every room and corridor in some new office building might be placed, one might imagine the fertilized egg bearing a neural bl ...
Editorial overview: Development and regeneration: Nervous system
Editorial overview: Development and regeneration: Nervous system

... control the formation of the brain. Three of these reviews focus on the main families of classical axon guidance molecules, including Slit, ephrin and semaphorin signaling. Blockus and Chédotal discuss the many developmental processes that are controlled by Slit proteins through their Robo receptor ...
glossary of terms
glossary of terms

... Ethnography  has  to  focus  on  the  observation  of  human  bodies  in  interaction     ...
The Nervous System
The Nervous System

...  12 pairs of cranial nerves-from your brain  31 pairs of spinal nerves—from your spinal cord  Made up of sensory and motor neurons  Can have several impulses going at the same time ...
301 Definitions – Revised Shannon Benson
301 Definitions – Revised Shannon Benson

... definitions is a person who is taking an introductory level psychology class. Three types of definitions will be given for the term “neuron” from one of my core disciplines, psychology. The first of these is a parenthetical definition, which illustrates the meaning of a term by following it with a c ...
Technical Definitions
Technical Definitions

... definitions is a person who is taking an introductory level psychology class. Three types of definitions will be given for the term “neuron” from one of my core disciplines, psychology. The first of these is a parenthetical definition, which illustrates the meaning of a term by following it with a c ...
Document
Document

... The medulla contains centers that control several automatic, homeostatic functions, including breathing, heart and blood vessel activity, swallowing, vomiting, and digestion. The pons also participates in some of these activities; for example, it regulates the breathing centers in the medulla. ...
How Neurons Talk to Each Other
How Neurons Talk to Each Other

... Summary: A new paper offers an overview as to how neurons ‘communicate’ with one another. Source: Max Planck Institute. Neurons are connected to each other through synapses, sites where signals are transmitted in the form of chemical messengers. Reinhard Jahn, Director at the Max Planck Institute fo ...
Chapter 17:
Chapter 17:

... connects endocrine to the nervous system, receives sensory info, instincts, temperature control (ANS) pituitary gland – influenced by the hypthalamus, part of the endocrine system (master gland) pineal gland – part of the endocrine system – melatonin production ...
VII. The Nervous System
VII. The Nervous System

... neurotransmitter is released from the presynaptic cell and binds to receptors on a postsynaptic cells causing it to fire. a) An action potential arriving at the synaptic terminal at the end of an axon causes Ca+2 to rush through voltage sensitive channels b) The sudden in rush of Ca+2 causes synapti ...
m5zn_363798b57fd4c88
m5zn_363798b57fd4c88

... perhaps the most important of all the system of the body. Not only does it correlate the activities of the other system but also in the brain is situated the site of conciousness, thought, memory , speech and the will to carry out purposeful actions. These factors all contribute to the formation of ...
9-2_DescPathwaysBS_BusF
9-2_DescPathwaysBS_BusF

... First of all, important somatic and autonomic centers are located in there, and the processing centers of the cranial nerves are also. Moreover, it’s a functionally significant system because the reticular formation controlling vital respitatory and circulatory mechanism and arousal, is also part of ...
The cerebral cortex of the brain is divided into four lobes
The cerebral cortex of the brain is divided into four lobes

... The brain contains two hemispheres, the left and the right, which are connected by a bundle of nerve fibers called thecorpus callosum that transmits information between them. The frontal lobe houses the olfactory bulb, which processes smells; the motor cortex, which controls movement; and it control ...
Developmental_Part2 - Pemberton Counseling has changed
Developmental_Part2 - Pemberton Counseling has changed

... Dynamic perception—1 of the 2 principles explaining infant perception; namely, that from birth perception is primed to focus on movement and change 2nd principle explaining infant perception is that babies are fascinated by people Infants most interested in emotional affordances of their caregivers ...
OL Chapter 2 overview
OL Chapter 2 overview

... feel most mentally confused and uncoordinated (groggiest) about halfway through the night. But we may feel more lively and vigorous (get new energy) close to the time we would normally wake up. . . . “owls” . . . “larks” . . . Like birds that are nocturnal (owls are an example), many younger adults ...
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Activity-dependent plasticity

A defining feature of the brain is its capacity to undergo changes based on activity-dependent functions, also called activity-dependent plasticity. Its ability to remodel itself forms the basis of the brain’s capacity to retain memories, improve motor function, and enhance comprehension and speech amongst other things. It is this trait to retain and form memories that is functionally linked to plasticity and therefore many of the functions individuals perform on a daily basis. This plasticity is the result of changed gene expression that occurs because of organized cellular mechanisms.The brain’s ability to adapt toward active functions has allowed humans to specialize in specific processes based on relative use and activity. For example, a right-handed person may perform any movement poorly with his/her left hand but continuous practice with the less dominant hand can make both hands just as able. Another example is if someone was born with a neurological disorder such as autism or had a stroke that resulted in a disorder, then they are capable of retrieving much of their lost function by practicing and “rewiring” the brain in order to incorporate these lost manners. Thanks to the pioneers within this field, many of these advances have become available to most people and many more will continue to arrive as new features of plasticity are discovered.
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